Professional Timber Fencing Services Across the Northern Territory
Timber fencing in the Northern Territory faces environmental challenges that test materials and construction methods far beyond conditions experienced in southern Australia. The tropical monsoon climate of the Top End delivers wet seasons dumping over 1,500 millimetres of rainfall annually, saturating ground around fence posts and subjecting timber to prolonged moisture exposure that promotes decay. Humidity levels exceeding 80 percent for months create ideal conditions for fungal growth that attacks inadequately protected timber from the inside out. The dry season brings intense ultraviolet radiation that degrades timber surfaces, causing checking, splitting, and finish failure that allows moisture penetration during subsequent wet seasons. Central Australian conditions add extreme temperature variations that stress timber through repeated expansion and contraction cycles. These demanding conditions make timber species selection, treatment levels, and construction detailing critically important for fence longevity. Carport structures face similar material challenges, with timber selection principles applying across outdoor construction types in the Territory environment.
Cyclone considerations affect timber fence construction across the Top End and coastal regions where severe tropical systems threaten each wet season. While fences do not carry the same wind rating requirements as buildings, they must still withstand significant wind forces to avoid becoming dangerous debris during storms. The Building Code of Australia classifies the Northern Territory into wind regions that inform appropriate construction standards even for structures outside mandatory rating requirements. Fence posts set deeper and in larger concrete footings resist wind forces better than shallow installations adequate in calmer climates. Rail and paling connections using appropriate fasteners maintain fence integrity when cheaper alternatives would fail. The Building Practitioners Board oversees building work in the Territory, though most standard fencing falls below thresholds requiring licensed builder involvement.
Termite pressure throughout the Northern Territory shapes timber fence construction in ways that distinguish local practice from approaches used elsewhere. The warm, humid conditions support year-round termite activity, with species including the destructive Mastotermes darwiniensis capable of consuming fence posts from within while leaving external surfaces apparently intact until sudden failure occurs. Termite management for timber fences involves appropriate timber selection, treatment levels, and sometimes physical or chemical barriers that protect vulnerable components. Posts in direct ground contact face the highest termite risk, making this component particularly important for species selection and treatment specification. The Northern Territory Government provides extensive termite management resources helping property owners understand risks and protection options for timber structures including fencing.
The legal framework surrounding fence construction involves boundary considerations, neighbour agreements, and sometimes council approval that property owners should understand before commencing projects. Dividing fences between neighbouring properties typically require agreement between both parties regarding fence type, height, and cost sharing arrangements. The Northern Territory dividing fences legislation establishes frameworks for resolving disputes where neighbours cannot agree on fencing matters. Fences within property boundaries rather than on them avoid many neighbour agreement complications but may reduce usable land area. Pool fencing carries specific regulatory requirements regarding barrier heights, gap dimensions, and gate mechanisms that must be met regardless of fence material choices. Understanding applicable requirements before finalising fence designs prevents costly modifications after construction.
Timber Species for Territory Fencing
Timber species selection fundamentally determines fence performance and longevity in Territory conditions, with appropriate choices delivering decades of service while poor selections may fail within years. Australian Standard AS 5604 classifies timber durability from Class 1 through Class 4, providing guidance on species suitability for different exposure conditions. For fence posts in ground contact, Class 1 durability species or appropriately treated alternatives provide the performance necessary to resist the combined assault of moisture, decay fungi, and termites that Territory conditions deliver. Above-ground components face less severe exposure but still benefit from durable species selection or adequate treatment protection.
Hardwood species including ironbark, spotted gum, blackbutt, and red gum provide natural durability that suits demanding fence applications without requiring chemical treatment. These dense hardwoods resist moisture penetration through tight grain structure while natural compounds deter termite attack and fungal decay. Ironbark posts have served Territory properties for generations, with some installations remaining serviceable after 50 years or more of ground contact. The premium pricing of hardwood fencing reflects both material costs and the more demanding working characteristics that slow construction compared to softer timbers. Timber flooring specialists work with the same hardwood species, understanding the machining and installation techniques these dense timbers require. Hardwood fences typically justify their additional cost through reduced maintenance and extended service life that makes them cost-effective over full fence lifetime despite higher initial investment.
Treated pine provides the most economical timber fencing option while offering reasonable performance when appropriately specified for Territory conditions. Treatment processes force preservative chemicals into timber under pressure, providing protection against decay and termite attack that untreated pine could not survive. Treatment levels designated by hazard class indicate protection levels, with H4 treatment required for in-ground applications and H3 suitable for above-ground components protected from direct ground contact. The characteristic green tinge of freshly treated pine weathers to grey over time unless stained or painted to maintain preferred appearance. Timber restoration services can rejuvenate weathered treated pine fences, though starting with appropriate species and treatment reduces long-term maintenance requirements.
Cypress pine offers natural termite resistance through distinctive aromatic oils that deter insect attack, providing an Australian-grown alternative to imported hardwoods and chemically treated softwoods. This species achieves Durability Class 2 rating suitable for above-ground applications, though in-ground use benefits from additional treatment in high-hazard Territory conditions. The pleasant fragrance of cypress pine distinguishes it from other fencing timbers, with the scent persisting for years after installation. Availability varies in Territory markets, with supply sometimes limited compared to more common species. Where available, cypress pine delivers attractive fencing with natural durability characteristics that suit environmentally conscious property owners preferring alternatives to chemically treated timber.
Paling Fence Construction
Paling fences represent the most common timber fence style across Australian residential properties, consisting of vertical boards attached to horizontal rails supported by posts set in the ground. This versatile configuration adapts to various heights, timber species, and paling arrangements while delivering practical boundary definition and privacy screening. Standard paling fence construction in the Territory follows established practices modified to address local conditions including cyclone exposure, termite pressure, and the intense weathering that the tropical and semi-arid climate delivers. Understanding construction elements helps property owners evaluate quotes and assess workmanship quality.
Post installation establishes the structural foundation that determines fence stability and longevity throughout service life. Posts should be set at maximum 2.4 metre centres for standard height fences, with closer spacing appropriate for taller fences or exposed locations facing higher wind loads. Hole depth depends on fence height and exposure, with minimum 600 millimetres appropriate for 1.8 metre fences in sheltered locations while exposed sites or taller fences warrant deeper installation. Concrete surrounding posts provides stability and moisture management that direct burial in soil cannot match, with concrete extending above surrounding ground level to shed water away from posts. Retaining wall construction may be required where fences traverse sloping ground, managing level changes that would otherwise create gaps beneath fence lines.
Rail installation spans between posts to provide attachment points for palings while contributing to overall fence structure. Standard configurations use two or three rails depending on fence height, with taller fences requiring additional rails to prevent paling warping and provide adequate support. Rail ends should be housed into posts or supported by brackets rather than simply butting against post faces, providing stronger connections that resist the lateral forces wind imposes on fence panels. Galvanised brackets and fixings resist corrosion that would compromise connection strength in the humid Territory environment. Rail sizing matches fence spans and paling weights, with larger sections appropriate for longer spans or heavier hardwood palings.
Paling attachment completes fence construction, creating the visible face that defines fence appearance and privacy characteristics. Palings may be butted tightly together for maximum privacy or spaced to allow airflow and partial visibility depending on owner preferences and applicable requirements. Nail or screw fixings at each rail position secure palings against wind forces that would otherwise dislodge inadequately fastened boards. Pre-drilling hardwood palings prevents splitting that can occur when driving fixings through dense timber without pilot holes. Paling tops may be left square cut for simple appearance or shaped with pointed, rounded, or decorative profiles adding visual interest to fence lines. Deck builders often construct matching fencing that complements outdoor living areas with consistent material and design language.
Privacy Screen and Feature Fencing
Privacy screens extend beyond simple boundary definition to create secluded outdoor spaces that function as true extensions of interior living areas. These taller, more substantial fences block views from neighbouring properties, passing traffic, and public spaces while defining outdoor rooms for entertaining, relaxation, and family activities. The Northern Territory lifestyle centres on outdoor living, making privacy provision particularly valuable for properties where standard fencing heights leave outdoor areas exposed to observation. Design options range from solid screens providing complete visual blocking to slatted configurations that maintain airflow while limiting sightlines.
Horizontal slat screens have become increasingly popular for contemporary properties, offering clean modern lines that complement current architectural styles. Slats may be closely spaced for near-complete privacy or wider spaced to filter views while maintaining connection with surroundings. The horizontal orientation creates distinct visual character compared to traditional vertical paling fences, suiting properties where design differentiation matters. Timber screening specialists deliver custom solutions incorporating varied slat spacing, mixed materials, and integrated features that transform simple boundaries into architectural statements. Structural requirements for horizontal configurations differ from vertical palings, with posts and rails sized to support lateral slat runs without excessive deflection.
Lattice and trellis fencing provides semi-transparent boundaries that define spaces while maintaining visual connection and airflow. These lighter constructions suit garden areas, courtyard enclosures, and decorative applications where solid fencing would feel oppressive or block desired views. Climbing plants growing through lattice create living walls that change with seasons while providing natural screening that pure timber cannot match. Gazebo structures often incorporate lattice panels for similar decorative and screening purposes, with shared construction techniques applying across different timber applications. The open structure of lattice fencing offers less wind resistance than solid alternatives, potentially suiting exposed locations where solid fences would face higher wind loads. However, the thinner timber sections typical of lattice construction provide less durability than solid fencing components, requiring more frequent maintenance and earlier replacement in Territory conditions.
Feature fencing incorporating mixed materials, varied heights, and decorative elements creates distinctive boundaries that enhance property presentation and value. Timber combined with rendered masonry columns, steel frames, or stone bases creates hybrid fences offering aesthetic variety alongside practical boundary function. Entry gates and pedestrian access points present opportunities for enhanced design treatment that welcomes visitors while maintaining security. Verandah entries often align with gate positions to create covered welcome areas where design coordination enhances overall property presentation. Lighting integration extends fence functionality into evening hours, illuminating pathways and entry points while highlighting architectural features. Custom carpentry specialists deliver bespoke fencing solutions incorporating owner vision and site-specific requirements that standard fence designs cannot accommodate.
Pool Fence Requirements and Compliance
Pool fencing carries specific regulatory requirements that differ significantly from general boundary fencing, with non-compliance creating serious legal liability and safety risks. The Northern Territory Building Regulations mandate pool barriers meeting Australian Standard AS 1926 requirements for all swimming pools capable of holding water 300 millimetres or more deep. These requirements exist to protect young children from drowning, with barrier specifications designed to prevent access by children under five years of age. Pool owners bear responsibility for maintaining compliant barriers regardless of property age or when pools were constructed, with local councils empowered to enforce compliance through inspection and penalty provisions.
Barrier height requirements mandate minimum 1.2 metre heights measured from finished ground level on the outside of barriers to the top of the fence. This height prevents young children from climbing over barriers while allowing adult supervision from outside pool areas. Ground level variations around pool perimeters can create compliance issues where barriers meet required heights in some locations while falling short in others due to sloping terrain. Retaining walls, garden beds, or other features near pool barriers must not create climbing aids that would allow children to scale otherwise compliant fences. The Consumer Affairs NT provides guidance on pool barrier requirements and inspection processes applying across the Territory.
Gap dimensions throughout pool barriers must prevent passage of a 100 millimetre sphere anywhere in the barrier structure. This requirement prevents young children from squeezing through gaps that might appear too small for adult passage. Paling fences used as pool barriers require close spacing that eliminates gaps exceeding the allowable dimension, typically achieved through overlapping palings or purpose-designed pool fence configurations. Ground clearances beneath fences similarly must not exceed 100 millimetres, requiring careful installation on uneven ground and ongoing attention as ground levels change over time. Horizontal rails and other climbable elements must be positioned on the pool side of barriers where children cannot use them as climbing aids.
Gate requirements for pool barriers specify self-closing and self-latching mechanisms that return gates to closed and latched positions without manual intervention. Gate latches must be positioned at least 1.5 metres above ground level or otherwise shielded from access by young children. The outward-opening direction required for pool gates prevents children inside pool areas from simply pushing gates open. Spring hinges or other automatic closing devices must reliably close gates from any open position, with adjustment needed as mechanisms wear over time. Regular testing of gate mechanisms forms an essential part of pool barrier maintenance, with repairs required promptly when closers or latches fail to function correctly. Gate installation specialists understand the specific requirements for pool barrier gates that general fence builders may not fully appreciate.
Fence Posts and Foundations
Fence post installation determines structural integrity and longevity more than any other construction element, making this component particularly important for achieving durable Territory fencing. Posts bear all fence loads while enduring direct ground contact that creates the most severe exposure conditions any fence component faces. Species selection, treatment levels, hole dimensions, and concrete specifications all affect how posts perform over fence lifetime. Understanding these factors helps property owners evaluate installation quality and specify appropriate standards for new fence construction.
Post sizing depends on fence height, span between posts, and exposure conditions affecting wind loads on fence panels. Standard 100 x 100 millimetre posts suit most residential fencing up to 1.8 metres height with standard 2.4 metre spacing. Taller fences, longer spans, or exposed locations warrant larger posts providing additional strength and stiffness. Hardwood posts may use smaller sections than treated pine equivalents due to greater inherent strength, though minimum sizes still apply for structural adequacy. Post length must allow adequate burial depth while achieving required fence height above ground, with 2.7 metre posts typical for standard 1.8 metre fences allowing 600 millimetre burial plus some trimming allowance.
Hole excavation creates the foundation that anchors posts against wind forces and prevents movement over time. Minimum hole diameter should exceed post dimensions by at least 100 millimetres on each side, allowing adequate concrete coverage around posts. Hole depth relates to fence height and exposure, with deeper holes providing greater resistance to overturning forces. Post hole diggers, whether manual or powered auger types, create clean holes with vertical sides that support concrete effectively. Rocky ground may require different excavation approaches, with some sites needing jack hammers or similar equipment to penetrate resistant materials. Pergola builders face similar footing requirements for posts supporting outdoor structures, with shared techniques applying across different timber construction types.
Concrete footings secure posts while managing moisture around this vulnerable component. Standard practice uses approximately 20 kilograms of premixed concrete per post hole, with larger holes requiring proportionally more material. Concrete should be mixed to appropriate consistency and compacted around posts to eliminate voids that would reduce holding strength. The concrete surface should slope away from posts to shed water rather than pooling against timber where it would promote decay. Allowing adequate curing time before attaching rails and palings prevents post movement that would compromise fence alignment. Bracing posts during concrete curing maintains plumb alignment that would otherwise drift as material sets.
Gates and Access Points
Gate construction requires attention to details that simple fence panels do not demand, with moving components and hardware introducing complexity absent from fixed fence sections. Gates experience repeated opening and closing cycles that stress hinges, latches, and frame joints far beyond the static loads fence panels face. The additional weight of gates compared to equivalent fence panels requires stronger posts and more robust hardware than standard fencing uses. Gate functionality directly affects daily property use, making reliable operation important for owner satisfaction beyond mere aesthetic considerations.
Single pedestrian gates provide convenient access through fence lines for foot traffic without opening larger vehicle gates. Standard widths around 900 to 1000 millimetres accommodate comfortable passage while minimising gate weight and hardware requirements. Gate frames should be constructed from timber matching or exceeding fence rail dimensions, with diagonal bracing preventing the racking that unsupported frames develop over time. The brace orientation matters, with the diagonal running from bottom hinge corner to top latch corner to provide proper support against gate weight. Timber staircase builders understand diagonal bracing principles that apply equally to gate construction where structural geometry determines long-term performance.
Double gates and vehicle access points require substantial construction to span openings of 3 metres or more while supporting gate weights that single gates do not approach. Central drop bolts or removable posts may be needed to support gates at meeting points where the span would otherwise cause sagging. Heavy-duty hinges rated for gate weights prevent the premature failure that lighter hardware suffers under repeated use. Automated gate systems add convenience while introducing mechanical and electrical components requiring periodic maintenance and eventual replacement. Ground clearance beneath gates must accommodate surface variations while preventing excessive gaps that would compromise security or allow pet escape.
Hardware selection affects gate function and longevity in Territory conditions where humidity and salt exposure challenge metal components. Galvanised or stainless steel hinges, latches, and fixings resist corrosion that would compromise cheaper alternatives within years. Hinge sizing must match gate weight and dimensions, with undersized hardware failing to support gates adequately. Spring hinges for self-closing gates require specification appropriate to gate weight, with weak springs failing to close heavy gates while overly strong springs make opening difficult. Latch mechanisms range from simple thumb latches through keyed locks to electronic access systems, with selection depending on security requirements and user preferences.
Fence Maintenance and Longevity
Timber fence maintenance significantly affects service life and appearance retention in the demanding Territory environment. Regular attention prevents small problems from developing into major repairs while preserving the natural beauty that makes timber fencing attractive. Understanding maintenance requirements helps property owners budget appropriately for ongoing care while establishing realistic expectations about fence longevity under local conditions. Neglected fences deteriorate rapidly in the Territory climate, while maintained examples can serve for decades.
Cleaning removes accumulated dirt, mould, and biological growth that disfigures fence appearance while potentially compromising timber integrity. Pressure washing provides effective cleaning for most fence situations, though appropriate pressure levels matter to avoid damaging timber surfaces. Mould and mildew common in the humid Top End respond to appropriate cleaning solutions applied before pressure washing for particularly affected areas. Annual cleaning before the wet season removes dry season dust accumulation while addressing any biological growth that developed during preceding months. Post-wet season cleaning removes material deposited by monsoonal conditions before dry season UV exposure sets staining permanently.
Finishing with oils, stains, or paints protects timber from moisture penetration and UV degradation while enhancing appearance according to owner preferences. Oil finishes penetrate timber surfaces to provide protection from within while allowing natural timber grain and colour to show through. Stains combine colour with protective properties, offering appearance options beyond natural timber tones while maintaining some timber texture visibility. Paints provide maximum surface protection but obscure timber character entirely, requiring ongoing maintenance as paint films crack and peel over time. Finish reapplication frequency depends on product type and exposure levels, with most finishes requiring attention every one to three years in Territory conditions.
Structural inspection identifies developing problems before they progress to failure, allowing intervention while repairs remain manageable. Post condition at ground level deserves particular attention, as this junction experiences the highest decay risk and determines overall fence stability. Rail connections to posts should remain tight, with loose joints indicating either fastener failure or timber decay requiring attention. Paling attachment should be checked, with missing or loose palings repaired before wind events dislodge additional boards. Leaning fence sections indicate post failure or footing inadequacy that will worsen without intervention. The NT WorkSafe authority provides guidance on safe practices for fence inspection and maintenance activities.
Neighbour Agreements and Boundary Considerations
Dividing fences between neighbouring properties involve shared responsibilities that distinguish them from fences entirely within single property boundaries. Northern Territory legislation establishes frameworks governing fence construction, cost sharing, and dispute resolution where neighbours share fence obligations. Understanding these provisions helps property owners navigate the negotiation process while protecting their interests throughout fence planning and construction. Maintaining positive neighbour relationships throughout fencing projects benefits everyone involved while avoiding disputes that can escalate beyond fence matters.
Cost sharing arrangements typically divide fence costs equally between neighbouring property owners benefiting from dividing fences. This principle applies to both new fence construction and substantial repairs or replacement of existing dividing fences. However, property owners wanting fences exceeding standard specifications bear additional costs for enhancements beyond what neighbours are obligated to contribute toward. Standard specifications generally mean adequate fencing appropriate to the locality, which varies between urban, rural, and different property types. Written agreements documenting shared fence arrangements prevent misunderstandings about what each party agreed to contribute.
Fence positioning affects cost sharing obligations and ongoing maintenance responsibilities in ways property owners should consider during planning. Fences placed exactly on property boundaries create shared ownership with equal maintenance obligations for both neighbours. Fences set entirely within one property belong solely to that owner, avoiding neighbour disputes but potentially reducing usable land area. Survey confirmation of exact boundary locations prevents costly errors where fence placement based on assumed boundaries proves incorrect. Outdoor structure specialists often encounter boundary considerations when constructing fences integrated with decks, pergolas, and other outdoor improvements near property edges.
Dispute resolution processes exist where neighbours cannot agree on fencing matters through direct negotiation. Formal notices under dividing fences legislation can initiate resolution processes where informal approaches have failed. The Northern Territory Civil and Administrative Tribunal can determine fence disputes where other resolution attempts prove unsuccessful. Mediation often resolves fence disputes more satisfactorily than adversarial tribunal processes, preserving neighbour relationships while achieving practical outcomes. Seeking resolution early in disagreements typically proves more effective than allowing disputes to escalate before attempting resolution.
Working with Timber Fencing Professionals
Selecting appropriate professionals for timber fence construction affects project outcomes from planning through completion and beyond. The experience, approach, and workmanship quality of fence builders directly influence fence appearance, durability, and value for money achieved. Understanding what to look for when engaging fencing contractors helps property owners make informed selections aligned with their specific requirements and expectations. While fencing typically falls below licensed builder thresholds, engaging experienced practitioners still matters for achieving quality outcomes.
Experience with Territory conditions indicates familiarity with the specific challenges local fencing faces from cyclones, termites, and intense weathering. Contractors new to the region may apply construction practices adequate elsewhere but insufficient for Territory conditions. Previous work examples demonstrate workmanship quality, design capabilities, and attention to detail that influence outcomes for subsequent projects. Local references from previous clients provide insights into reliability, communication, and problem-resolution approaches that quotes alone cannot convey. The Australian Competition and Consumer Commission provides guidance on consumer rights in building contracts that helps property owners understand their protections.
Insurance coverage protects property owners from liability should accidents or damage occur during fence construction. Public liability insurance covers damage to neighbouring properties, underground services, or third parties arising from construction activities. Requesting evidence of current insurance before work commences provides assurance that appropriate protections exist should problems arise. Workers compensation obligations apply where contractors engage employees, protecting property owners from potential claims arising from workplace injuries. Understanding insurance arrangements before engaging contractors prevents unpleasant discoveries should incidents occur during construction.
Communication quality during quoting typically predicts working relationship experience throughout construction. Contractors who respond promptly, ask relevant questions, and provide detailed proposals generally maintain similar standards as projects progress. Site visits during quoting enable accurate assessment of ground conditions, access constraints, and other factors affecting construction approach and pricing. Written quotes specifying all work included, materials to be supplied, and completion timeframes provide reference points preventing misunderstandings as projects proceed. Vague quotes leaving significant interpretation room create potential for disputes when expectations diverge.
What to Look Out For When Getting Timber Fencing Quotes
Obtaining multiple quotes for timber fencing enables meaningful comparison of pricing, materials, and professional approach that helps identify best value rather than simply lowest price. Understanding what quotes should include and how to evaluate proposals systematically improves decision quality and project outcomes. The relatively straightforward nature of most fencing projects does not eliminate the potential for significant quality variations between contractors that quotes should help identify.
Material specifications in quotes determine fence quality and longevity, making detailed material information essential for meaningful comparisons. Timber species for posts, rails, and palings should all be specified rather than described generically. Treatment levels for posts in ground contact and above-ground components should be stated explicitly. Paling dimensions including thickness and width affect both appearance and durability over time. Fastener types and finishes influence connection strength and corrosion resistance in the Territory environment. Without specific material details, comparing quotes becomes difficult since lower prices may reflect inferior materials rather than competitive pricing.
Construction specifications indicate the structural standards contractors intend to achieve beyond material choices. Post spacing determines how many posts fence runs require, with closer spacing providing stronger fences at higher material and labour cost. Post depth affects resistance to overturning forces, particularly important in exposed locations or for taller fences. Concrete specifications for post footings vary between contractors, with some using minimal concrete while others provide more substantial footings. Rail attachment methods affect long-term connection strength as timber moves with moisture changes over time.
Scope clarity prevents disputes about what quoted prices include and what might attract additional charges. Old fence removal and disposal may be included or excluded depending on how contractors structure quotes. Site preparation including vegetation clearing and level adjustments should be addressed explicitly. Access constraints affecting material delivery and construction logistics may create additional costs some quotes account for while others do not. Staining or finishing may be included as standard or offered as optional additions depending on contractor approach.
Timeline expectations help property owners plan around construction activities affecting normal property use. Fence construction typically proceeds quickly once commenced, with most residential projects completing within several days. However, scheduling availability varies between contractors, with popular builders sometimes booked weeks ahead. Wet season conditions can delay outdoor construction, making timing considerations important for projects planned during wetter months. Pool fence projects requiring compliance inspection should allow time for inspection scheduling in project timelines.
Quality timber fencing enhances Northern Territory properties with natural beauty and practical boundary definition that manufactured alternatives cannot match. From material selection addressing termite resistance and cyclone durability through to finishing details that maintain appearance over time, every aspect of fence construction benefits from expertise developed through experience in the demanding Territory environment. Whether planning simple boundary definition or elaborate privacy screening, connecting with experienced professionals ensures your project achieves results that justify the investment involved. Post your fencing project on The Quote Yard to receive quotes from qualified fence builders across the Northern Territory ready to create your perfect boundary solution.