Sliding Door Repairs Costs WA 2026 - Get Free Quotes

What Sliding Door Work Covers in WA

Sliding door work divides sharply between repair and replacement, and the gap between the two is enormous. A roller replacement costs one hundred and eighty to four hundred and fifty dollars and takes an hour or two. A new two panel slider supplied and installed runs one thousand eight hundred to four thousand five hundred. Understanding which you actually need is the difference between an afternoon and a month, and it is a question a competent contractor can answer in about ten minutes on site.

The doors themselves come in several forms that share the sliding action and little else. External sliding doors are the aluminium framed patio doors that open onto a courtyard or alfresco area, and they are what most people mean by the term. Stackers use three or more panels that slide together to open a wider aperture, covered on our stacker and bifold door installation and repairs page. Cavity sliders disappear into the wall and are an internal fitting entirely, dealt with on our cavity slider door installation and repairs page. The mechanism sits inside the wall cavity, so repairs mean opening the wall.

Wardrobe sliders belong to a different trade despite the shared name. They carry no weather seal, no security function and far less weight, and they are covered on our sliding wardrobe door installation and repairs page. Barn door systems are a third variety again, hung from an exposed overhead track rather than running in a floor channel, and our barn door and track installation page covers those. Knowing which type you have narrows the trade you need considerably. They are not interchangeable in either hardware or expertise.

The trades involved vary with the scope more than people expect. Roller and track repairs are the province of door specialists and handymen, and our handyman services page covers that end. Re-glazing is glazing work requiring the correct safety glass. A full door replacement in an existing opening is carpentry and glazing combined, and where the opening itself is being changed it becomes building work. That distinction determines whether a permit is involved.

Perth's housing stock explains why this is such a busy trade locally. Almost every home built here since the 1970s has at least one external slider onto a patio or alfresco, and a great many have two or three. Combined with sand, salt and thirty years of use, that produces a steady stream of doors that have quietly stopped working properly and been tolerated rather than fixed. Our broader door services page covers the full range of door work across the state.

Diagnosing the Problem Before Anyone Quotes

A door that has become hard to slide is almost always a roller or track problem, and telling them apart before a contractor arrives saves time and money. Rollers carry the weight of the panel and they wear, seize or collapse. Tracks take that weight and eventually deform, particularly the cheap aluminium tracks used in a lot of older doors. Both produce the same symptom. The door becomes progressively harder to move and eventually needs a shoulder behind it. By that point the panel is usually dragging on the frame.

There is a simple test that distinguishes them. Lift the panel slightly by its handle while pushing it along the track, and if the door suddenly runs freely the rollers have collapsed and the panel is dragging on the frame. If it still binds while lifted, the track is likely damaged or something is wedged in it. That thirty second check tells a contractor a great deal before they arrive, and it costs nothing to try.

Sand in the track is the third possibility and by far the cheapest. In Perth it is also extremely common, because fine sand blows in, gets walked in and accumulates in the channel where it grinds against the rollers every time the door moves. A track that has never been vacuumed in fifteen years will be packed solid beneath the visible surface. Cleaning it out and adjusting the rollers can restore a door completely. That costs a hundred and twenty to two hundred and eighty dollars. It is the cheapest outcome available and worth ruling in before anything else.

Where a panel has dropped at one end, or leaves a visible gap at the top or bottom when closed, it has usually lost adjustment rather than failed outright. Most sliding doors have adjustment screws at the base of each panel that raise or lower the rollers, and a competent installer will check these before proposing anything else. Where the frame itself has moved, which happens with building settlement, that is a larger conversation involving the opening rather than the door. Building settlement is not something a roller kit addresses.

Water entering under a closed door points somewhere different again. That is generally a drainage problem in the track rather than a roller issue, because sliding door sills carry weep holes designed to drain water back outside and those block with sand and debris. Clearing them is straightforward. Where water still enters after clearing, the sill or the seals have failed and our window and door draught proofing and sealing page covers the remedies. Seals are inexpensive and rarely the first thing anyone checks.

Be sceptical of any contractor who proposes replacement without performing these checks. A door that binds, drops or leaks is repairable in the large majority of cases, and replacement is a five to twenty times more expensive answer to a problem that a roller kit usually solves. Ask directly what they found wrong with the rollers and the track. A vague answer is informative in itself. Nobody who has actually looked struggles to describe what they found.

Rollers, Tracks and What Actually Fails

Rollers are the single most replaced component on any sliding door and they are consumable rather than permanent. A typical external slider runs on two roller assemblies per panel, each carrying a substantial share of the glass weight, and they work every time the door moves. Nylon wheels wear flat, bearings seize, and the housings corrode where salt reaches them. Replacement runs one hundred and eighty to four hundred and fifty dollars per pair including labour. Against a full door replacement that figure is trivial. It is the single best value repair on the door.

Quality varies enormously and it is worth paying the difference. Budget rollers use plain nylon wheels on a simple axle, while better assemblies use sealed stainless bearings and a heavier housing that resists distortion under load. On a coastal property the sealed stainless option can last three or four times as long, and the price gap is perhaps forty dollars per pair. Asking what is being fitted is reasonable, because the difference does not show on the day it is installed.

Tracks fail more slowly but cost more to fix. The channel that the rollers run in takes the full weight of the panel, and an aluminium track under a heavy glass door will eventually deform into a shallow trough that the rollers then have to climb out of. Once that has happened, new rollers alone will not fix the problem, because they are running on a damaged surface and will wear rapidly against it. New rollers in a worn track buy months rather than years. The track has to be addressed as well or the cycle simply repeats.

Track capping is the repair that avoids a full replacement in many cases. A stainless steel capping strip is fitted over the worn aluminium track, restoring a smooth hard running surface without removing the frame, at two hundred and fifty to seven hundred dollars. It is a genuinely good solution where the track is worn but the frame is sound. Full track replacement runs six hundred to one thousand six hundred dollars by comparison, and takes most of a day.

Full track replacement becomes necessary where the track is badly deformed, corroded through, or where the sill itself has failed. That work usually requires partial removal of the frame to access the track, which is why it costs what it does and why it takes most of a day. On an older door approaching thirty years, this is the point at which replacing the whole unit deserves genuine consideration. It is the one scenario where replacement is not simply an upsell. A thirty year old door with a failed sill has genuinely reached the end.

Top hung systems appear on some stackers and internal doors, and they fail differently. The weight hangs from an overhead track rather than sitting on a floor channel, so the failure mode is the hanging hardware and the head track rather than the sill. They keep the floor clear of a raised track, which suits accessible design, and our door widening and accessible entry modifications page covers that application. A flush threshold matters a great deal for wheelchair access.

Sand, Salt and Western Australian Conditions

Perth sits on sand, and that single fact does more damage to sliding doors here than anywhere else in the country. Fine sand blows in through open doors, gets tracked in on feet, and settles into the bottom track where it cannot easily escape. Every time the door moves, the rollers grind that sand against both the wheel and the track surface, and the result is accelerated wear on both components simultaneously. It is abrasive machining, performed slowly, several times a day. Nothing else in a house wears quite like it.

The maintenance that prevents this takes about five minutes and almost nobody does it. Vacuuming the bottom track every few months removes the accumulated sand before it does damage, and a stiff brush reaches what the vacuum misses. Avoid oiling the track, which is the instinctive response and exactly the wrong one, because oil holds sand against the running surface and makes the abrasion worse rather than better. A dry silicone spray is the appropriate lubricant where one is needed at all.

Salt is the second WA factor and it affects hardware rather than the track. Along the coast from Cottesloe and Scarborough through Fremantle, Mandurah, Bunbury, Geraldton and Broome, airborne salt attacks roller housings, locks, handles and any exposed fastener. Standard components that last fifteen years in an inland suburb may need replacing in five within the salt spray zone, and the difference is entirely in material specification rather than workmanship. Nobody installed it badly. It was simply the wrong metal for the address. Specification, not workmanship, is what shortened its life.

Specifying for coastal exposure costs very little at the point of repair. Stainless roller assemblies, marine grade or heavier anodised hardware, and stainless fasteners all exist and add modest cost against components that will need replacing twice as often. A contractor working regularly on coastal properties will raise this without being asked, and one who fits standard hardware to a beachside home without mentioning it has not thought about the address. It is worth raising if they do not.

Ultraviolet exposure degrades the seals rather than the frame. The rubber and pile weather seals around a sliding door perish under sustained sun, and once they harden they stop sealing against draughts, dust and driving rain. Replacement seal is inexpensive and the improvement in comfort is noticeable, particularly on a west facing door taking the full afternoon sun through a Perth summer. Those seals are the first thing to check on any older door. They are also among the cheapest things to put right.

Aluminium frames themselves hold up well, which is why they dominate the market here. Powder coated and anodised finishes resist corrosion reasonably even near the coast, and washing them down a few times a year removes the salt before it establishes. The parts that fail are consistently the moving components and the seals, not the extrusion, which is another argument for repairing rather than replacing a structurally sound door. The expensive part of the assembly is usually the part that has not failed.

Safety Glass and AS 1288

Glass in a sliding door must be Grade A safety glass, and this is not a matter of preference. AS 1288 governs the selection and installation of glass in buildings, and it requires safety glass in doors, in side panels adjacent to doors, and in low level glazing where human impact is foreseeable. A full height glass door is the most obvious impact risk in a house, which is why the requirement is unambiguous there. Copies of the standard are available through Standards Australia. Any glazier working on doors will know the requirement without being told.

Grade A safety glass means toughened or laminated rather than ordinary annealed glass. Toughened glass breaks into small blunt fragments instead of large shards, and laminated glass holds together on an interlayer when broken. Either satisfies the requirement, and the choice between them affects security and acoustics more than safety. Every pane should carry a permanent mark identifying it as safety glass, usually in a corner.

Older doors are where the problem sits. Homes glazed before the current requirements, or altered at some point without reference to them, may contain annealed glass in a sliding door where safety glass is now required. It is a genuine hazard rather than a paperwork issue, because a person walking into an annealed glass door produces exactly the injuries the standard exists to prevent. Checking for the safety mark on an older door is worth doing. It takes a moment and it settles the question.

Re-glazing a single panel runs three hundred and fifty to nine hundred dollars depending on size and glass type, and it must be done in safety glass regardless of what was there before. Where a panel has broken, that is also the moment to consider an upgrade, because the labour is the same whether the replacement is basic toughened glass or something better. Our glass repairs and window replacement page covers the options in more detail. Upgrading at the point of breakage costs very little extra, because the labour is already being spent.

Upgrading glazing at replacement is worth considering in Perth conditions. Double glazed units reduce heat gain substantially on a west facing door, and our double glazed window installation and retrofit page covers the performance question. Applied window film is the cheaper alternative and achieves useful heat rejection without changing the glass, dealt with on our window tinting page. On a west facing slider it is one of the better value improvements available. The difference in an afternoon is noticeable.

AS 2047, Wind Ratings and Water

External sliding doors are covered by AS 2047, which sets performance requirements for windows and external glazed doors in buildings. It addresses structural adequacy under wind load, resistance to water penetration, and air infiltration, and compliant products carry a label stating their tested performance. A door installed without regard to those ratings may look identical to a compliant one. It will perform very differently in the first serious storm.

Wind classification is site specific and it matters more in Western Australia than in most states. AS 4055 assigns a wind classification to a house based on region, terrain, shielding and topography, and the door must be rated to suit. A door adequate for a sheltered suburban Perth block is not adequate on an exposed coastal site, and the difference sits in the frame, the glass thickness and the fixings. None of it is visible once the door is installed. That is precisely why the compliance label matters. Ask to see it rather than assuming it exists.

Cyclonic regions north of Carnarvon step the requirements up substantially. AS 1170.2 places that part of the state in cyclonic wind regions, and doors there require significantly higher structural performance along with attention to how the whole opening is fixed to the building. Replacing a door in Port Hedland or Broome with a unit specified for Perth is a genuine safety issue rather than a technicality, and any reputable supplier will refuse to do it. If one agrees without asking about the location, that is the answer to a different question.

Water penetration resistance is the rating that matters most in practice for a south west property. Wind driven rain against a west or south west facing door during a winter front is the test, and a door with a low water rating will admit water at the sill under those conditions no matter how well it is installed. Where an existing door leaks in storms but not in ordinary rain, its rating rather than its condition may be the issue. Repair will not resolve a performance limitation. Only a better rated door will.

Installation quality determines whether the rated performance is actually achieved. A compliant door fitted without proper sill flashing, without sealing the perimeter correctly, or out of level will leak regardless of its label. Asking how the sill will be flashed and how the perimeter is sealed separates installers who understand the standard from those who simply fit the product. Our window installation and repairs page covers the same principles for glazed openings generally.

Security Screens, Locks and Insects

A sliding door is the most common point of forced entry in an Australian home, and the standard latch fitted to most of them offers very little resistance. Upgrading the lock is inexpensive and worthwhile, with keyed locks, secondary bolts and anti-lift blocks all available at one hundred and fifty to four hundred dollars fitted. Anti-lift blocks matter specifically on sliding doors, because a panel that can be lifted out of its track defeats any lock fitted to it. They cost very little and take minutes to install, which makes them the best value security upgrade available on the door. Most homes have none fitted.

Security screens are the substantial upgrade and there is a real distinction between products. A certified security screen tested to AS 5039 and installed to AS 5040 resists knife shear, jemmy attack and impact, and it is a genuinely different product from a decorative screen that merely looks robust. Sliding security screens run six hundred to one thousand six hundred dollars, and our security doors and screens page covers the certification question. Ask to see the test certification rather than accepting the word security on a brochure.

Insect screens serve a different purpose and cost far less. A standard flyscreen slider keeps mosquitoes and flies out and provides no security whatsoever, which is fine provided nobody is confused about which they are buying. Perth summers make them close to essential on any door that gets left open in the evening, and our fly screen installation page covers replacement and repair. Rescreening an existing frame is far cheaper than replacing the whole screen door. Ask for it before accepting a replacement quote.

Screen door rollers fail in exactly the same way as the main door and are frequently ignored. A screen that has become hard to move is running on collapsed wheels or through a track full of sand, and the fix is the same but cheaper because the panel is lighter. Screens also tear, and the mesh can be replaced in the existing frame. That is a fraction of the cost of a new screen door.

Pet doors are commonly fitted into sliding door screens and panels, and they are worth doing properly rather than improvising. A panel insert that sits within the existing track is the reversible option, while cutting into a glass panel requires the glass to be replaced with a purpose made unit. Our pet door installation page covers both approaches. Each has different implications for security and for reinstating the door later. The insert is the reversible option.

Repair or Replace

Repair wins in the large majority of cases and it is not close. Rollers, tracks, locks, seals and glass are all individually replaceable, and an aluminium frame in sound condition has decades of life left in it regardless of how tired the door feels to use. The cost difference is five to twenty times, so the burden of proof sits firmly with anyone proposing replacement. The owner questioning it is asking a reasonable question rather than being difficult.

Replacement genuinely makes sense in a few defined situations. Where the frame itself is corroded through, where the sill has failed structurally, where the glass is annealed rather than safety glass and the door is being altered anyway, or where the wind rating is inadequate for the site, a new unit is the right answer. It also makes sense where the opening is being changed as part of a renovation, since the labour is already committed. Doing it twice is what costs money. Sequence the work while the opening is already disturbed.

Energy performance is a legitimate reason to replace that owners often overlook. A single glazed aluminium door with perished seals on a west facing wall is a substantial heat gain in a Perth summer and a draught in winter, and no amount of roller replacement changes that. Where comfort and running costs are the driver rather than operation, replacement with a better performing unit is a different calculation entirely. Operation is not the only reason to change a door.

Changing the configuration is the other common trigger. Converting a two panel slider to a three or four panel stacker opens a much wider aperture to an alfresco area, which is a popular Perth alteration and one that changes the structural opening. That is building work rather than a door swap, and our builder page covers the approvals and structural side. Widening an opening in a load bearing wall needs engineering. It is not a door job with a bigger door.

Where you do replace, keep the old door out of landfill if it is serviceable. Aluminium frames are readily recyclable and salvage yards take complete units, and a functioning door in a common size has value to somebody. It costs nothing to ask. It also saves a disposal fee at the other end of the job.

Keeping a Sliding Door Working

Sliding doors reward maintenance more than almost any other component in a house, and they get less of it than almost any other. The entire routine is a vacuum, a brush and an occasional check of the adjustment screws, and doing it twice a year prevents the large majority of the repairs described on this page. It takes about five minutes per door and it is close to the highest return maintenance task available to a Perth homeowner. Very few maintenance tasks prevent this much expense for this little effort. Ten minutes twice a year covers most homes.

Vacuuming the bottom track is the core of it. Sand, grit and debris accumulate in the channel and grind against the rollers every time the door moves, so removing them stops the abrasion before it wears anything. A narrow vacuum attachment reaches most of it and a stiff brush loosens what is compacted. Doing this before summer, when doors get used most and sand blows in hardest, is the sensible timing.

Resist the urge to oil the track, which is the most common mistake made with these doors. Oil and grease attract and hold sand against the running surface, converting a dry abrasion problem into a grinding paste that wears rollers far faster. Where lubrication genuinely helps, a dry silicone spray applied sparingly to the rollers rather than the track is the correct product, and even that is rarely necessary on a track that is genuinely clean. Cleaning first almost always removes the need for any lubricant at all.

Weather seals deserve an annual look and almost never get one. The rubber and pile seals around the perimeter perish under Perth sun and stop working long before they look obviously failed, letting in draughts, dust and wind driven rain. Replacement seal is inexpensive and fitting it is straightforward, and the improvement in comfort on a west facing door is immediately noticeable. Dust ingress drops as well.

Weep holes in the sill need checking after any significant storm. They exist to drain water that gets past the outer seal back to the outside, and they block with the same sand that fouls the track. A blocked weep hole turns a functioning drainage detail into a reservoir that eventually finds its way inside, and clearing them takes seconds with a piece of wire. Doing it before winter is the sensible timing. Clearing them ahead of the first serious front is the point of the exercise.

Washing the frame matters on coastal properties and nowhere else much. Salt accumulating on aluminium and hardware accelerates corrosion, and rinsing the frame with fresh water a few times a year removes it before it establishes. On a beachside property that simple habit measurably extends the life of the rollers, locks and fasteners, which are the components that fail first in that environment. The frame itself will comfortably outlast all of them.

Strata, Rentals and Older Homes

External sliding doors in a strata scheme sit in an awkward position, because the door often serves a single lot while forming part of the building envelope. Under the Strata Titles Act 1985, the boundary between lot and common property depends on the scheme and the registered plan, and external doors and windows frequently fall on the common property side. That means replacement is a strata company decision rather than an owner decision, even where only one lot benefits from the work. That surprises owners who reasonably assume their own door is their own business. The registered plan is what settles it.

Repairs are usually treated more pragmatically than replacements. A roller replacement affecting only the operation of one lot's door is rarely contentious, while replacing a whole unit and changing the external appearance of the building almost always requires approval. Western Australia also distinguishes survey strata schemes, where lot boundaries follow surveyed land, and in those the whole dwelling including its doors typically sits within the lot. Ordering a copy of the plan is the only way to be certain.

Rental properties raise the maintenance question and sliding doors are a frequent flashpoint. Where a door cannot be operated safely, will not lock, or admits water, that is a maintenance obligation on the lessor rather than the tenant, and it should be reported and actioned promptly. Consumer Protection WA administers the residential tenancy framework and publishes guidance for both parties at Consumer Protection WA. Keeping a written record of the report and the response protects both sides.

Older Perth homes bring specific complications worth anticipating. Timber framed sliding doors appear in houses from the 1960s and 1970s and they behave quite differently, swelling in winter and sticking in ways aluminium does not. Original hardware for them is frequently unobtainable, which pushes those doors toward replacement earlier than their condition alone would suggest. Our carpentry services page covers timber door repair.

Double brick reveals are a Perth specific installation detail. Where a door sits in a masonry opening, the reveal depth and the way the frame is fixed differ from a stud wall installation, and a replacement must account for the existing reveal or the finished result looks wrong. Making good the render or plaster around a new frame is part of the job, and our painting services page covers the finishing. Establishing who does that making good belongs in the written quote. A conversation on the day rarely ends well.

Regional and Remote WA

Sliding door repair is well served across regional Western Australia because the components are standard and the work is straightforward. Roller kits, track capping and seals are stocked widely, and any competent handyman or door specialist in a regional centre can perform the common repairs. That makes repair considerably more accessible than replacement outside the metropolitan area. It also makes repair the more sensible default outside the city.

Replacement is where distance bites. A sliding door unit is large, heavy and fragile, and freighting one to Kalgoorlie, Karratha or Esperance adds meaningful cost and risk. Damage in transit is a genuine possibility, and confirming who carries that risk before ordering is worth doing. Local suppliers exist in the larger centres and are frequently the better option. That holds even where the unit price looks higher on paper.

Conditions vary enough across the state to change the specification. Coastal properties from Geraldton through Broome need corrosion resistant hardware as a baseline rather than an upgrade. Cyclonic regions north of Carnarvon require doors rated for those wind loads, which is not something to compromise on. The Wheatbelt and Goldfields bring fine dust that behaves much like Perth sand in a track, so the same maintenance advice applies with more urgency.

Lead times run longer outside Perth for replacement work and the reasons compound. Manufacture is the same, freight adds a week or more, and installers cover larger areas with less flexibility to return. Where a door is failing but still operable, planning the replacement rather than waiting for it to fail completely is the sensible approach. Contractors checking their own licensing obligations can start at ABLIS.

Batching helps in regional areas as it does with most trades. Where several doors need attention, or where neighbours have similar problems, scheduling them into one visit spreads the travel component across multiple jobs. Regional property managers do this routinely. Independent owners can achieve the same result by asking around before booking a visit.

What to Look Out For and Getting Useful Quotes

Describe the symptom precisely and it changes the quote. Whether the door binds, drops, leaks, will not lock or has broken glass tells a contractor which components are likely involved, and the lift test from earlier narrows it further. Photographs of the track, the bottom of the panel and any visible damage help more than a description does. Supplying that detail typically moves a quote from a wide range to a firm number. It costs you nothing to gather.

Ask what the contractor found before accepting a scope. A quote for replacement should be accompanied by an explanation of why repair will not work, naming the specific component that has failed beyond recovery. Where the answer is vague, or where nobody has looked at the rollers or the track, a second opinion is worth the hour it takes. Our WA services hub lists the other trades that door work sometimes draws in.

Confirm what is being fitted rather than accepting a line item. Roller quality varies substantially, and stainless sealed bearings versus plain nylon is a real difference on a coastal property for a very small price gap. On glass, confirm it is Grade A safety glass and ask whether it is toughened or laminated. On a new door, ask for the AS 2047 rating and the wind classification it suits. Both should be on the label.

Watch for the common pattern of a cheap callout that becomes a replacement quote. Some operators price the attendance low and diagnose a full replacement regardless of what they find, which is why the repair versus replace explanation matters so much. A contractor who fixes a door for two hundred dollars when they could have sold you a two thousand dollar one has earned the next job. That is worth remembering when the next thing breaks.

Establish who makes good around a replaced frame. Removing a door from a double brick reveal disturbs the render, the plaster and often the flooring at the threshold, and whether that repair is included changes the real cost noticeably. Get it stated in the written scope rather than assuming it is covered. Making good is where most of the friction on these jobs originates.

Verify insurance and confirm the warranty on both parts and labour. Public liability cover should be current and evidenced by the certificate rather than described. Consumer guarantees apply to both the goods and the installation regardless of any stated warranty period. The ACCC publishes the detail.