Garage Doors · Service

A new garage door, specified before it is shopped

The shelf will sell you a door. It will not tell you what your opening will accept, whether insulation buys you anything in an unheated garage, or who is actually turning up to fit it.

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In short

What is garage door replacement?

Replacing a garage door means removing the old sections, springs, track and hardware, and fitting a new door counterbalanced to its own weight. Almost every job goes into an existing opening, so the constraints are already set: headroom, sideroom, backroom and the condition of the timber the track fixes to. Those four measurements decide what you can buy, and they are the part of the decision no product shelf and no install-booking page will help you with.

Triggers

Signs you need garage door replacement

Sections are rusting through at the bottom rail, or the skin is delaminating from the core
Several hinges have cracked or torn out of their fixings, which is metal fatigue across the door rather than one failure
A vehicle impact has creased multiple sections
You are on the third repair in two years and each one has found a new failure
The door has no insulation and the garage is now a workshop, gym or room you actually use
The house has changed hands or is about to, and the door is the largest tired-looking thing on the front elevation
Replacement panels for your door have been discontinued and cannot be matched

Seeing something not on this list? Browse garage doors problems by symptom →

The job

How garage door replacement actually works

Measure the opening, not the old door

Width and height of the finished opening, headroom above it, sideroom either side, and backroom into the garage. A low-headroom track kit, a double-track arrangement or a wall-mount opener may be needed, and all of that is decided here.

Watch for: A quote produced from a photograph. Headroom in particular decides which track system is even possible, and finding out on fitting day means either a compromise or a second visit.
Check what the track will be fixed to

Track and spring hardware bolt into the timber jambs and the header above the opening. Rot, splitting or a header that was never properly sized turns a door replacement into carpentry.

Watch for: Rotten jamb timber being covered rather than replaced. Everything holding the door up is anchored to that timber, and it is invisible again five minutes after the door goes on.
Specify construction and insulation honestly

Doors run from single-skin steel to multi-layer insulated sandwich construction, plus timber and composite. Insulation matters if the garage is conditioned, attached with a room above, or actually used; it does far less on a detached, unheated, uninsulated garage.

Watch for: Insulation sold purely as an energy saving on a garage with an uninsulated ceiling and gaps around the frame. Where it earns its money more reliably is door rigidity, noise, and a garage that is simply less unpleasant in winter.
Confirm wind and impact requirements where they apply

Coastal and high-wind jurisdictions regulate garage doors specifically, because a failed garage door pressurises the building and takes roofs with it. Requirements vary by location and are enforced at permit stage.

Watch for: Being told wind rating "does not really apply here" without anyone checking. Ask which standard your jurisdiction enforces and get the door's rating on the paperwork — this is a checkable fact, not a judgement call.
Removal, and a fresh counterbalance

The old door, track and hardware come out; springs are wound down safely and disposed of. New springs are selected for the new door's weight — a heavier insulated door is not counterbalanced by the old springs.

Watch for: A quote that reuses the existing springs "because they are newer". Springs are sized to a specific door weight; carrying them over to a heavier door produces a door that fights the opener and wears out early.
Fit, balance, and set the opener up again

Sections are stacked and joined, track and hardware fitted, the door is hand-balanced with the opener disconnected, and the opener's travel and force settings are re-calibrated to the new door.

Watch for: An opener reconnected on its old settings. The new door has a different weight and a different travel, and old force settings on a new door are the classic post-installation reversal complaint.
Seals, trim and the handover

Bottom seal, perimeter stop weatherstrip and any trim are fitted, the door is run through several cycles, and both safety functions are tested. You should get the model details and the warranty documents.

Watch for: No paperwork. Section warranties, hardware warranties and the installer's labour warranty are usually three different terms, and you will want them in writing.

Money

What does garage door replacement cost?

Replacement pricing is driven by size, construction and insulation level, window sections, and whether the jamb timber or the opening needs work. A wind-rated door costs more where one is required. See the garage door cost guide for current ranges.

See the full garage door replacement cost guide — by material, size and region →

Straight answer

When garage door replacement is the wrong call

Everyone else ranking for this is paid when you say yes. Here's when you shouldn't.

One section is damaged and the model is still in production. Replacing a single section is often far cheaper. Price panel replacement first and only move on if the match is unavailable.
The only thing that broke is a spring. A spring failure is a component failure on a door that is frequently fine. Being quoted a whole new door on the back of one is a sales response, not a diagnosis.
You expect an insulated door to warm an unheated, uninsulated garage. It will not do much on its own. The door is one of six surfaces, and if the ceiling and walls are bare the door is not the constraint.
The problem is the floor or the opening, not the door. A heaved slab or an out-of-square opening will make a brand new door look and behave exactly like the old one. Fix that first or you will have bought an expensive repeat of the same complaint.
You are buying purely for resale and the door is functional and tidy. Kerb appeal is real, but the payback claims circulating in this category come from agent perception surveys rather than transaction data, and they deserve more scepticism than they usually get.
You are about to convert the garage into living space. That changes the brief entirely — insulation, an entirely different opening, or no door at all. Decide the conversion first.

Your options

Types of garage door replacement

Door types and materials compared

Steel, timber, composite and insulated construction.

Door and hardware equipment

Sections, track systems and hardware sets.

Choosing a door for your garage

Decision guides by use, climate and budget.

Compare garage doors options side by side →

Before you sign

What to check when hiring for garage door replacement

What are my headroom, sideroom and backroom measurements, and what track system do they allow?

The measurements that decide what can physically be fitted. An installer who has taken them has actually surveyed the job.
Have you inspected the jamb timber and header, and is any carpentry included?

The most common hidden extra on this job. Get it priced in, or explicitly excluded in writing.
Are new springs sized to the new door included in this price?

A heavier door needs a different counterbalance. Reused springs are a slow-motion failure and should be a hard no.
Does my jurisdiction require a wind or impact rating, and does this door meet it?

Checkable, enforced at permit, and the answer should be on the paperwork rather than given verbally.
Who is performing the work if I book through a retailer?

Retail installation is subcontracted. Knowing the company tells you who honours the labour warranty when a section fails.
Is removal and disposal of the old door and springs included?

It is bulky, heavy and not something you can put out with household waste. It should be a line on the quote.
What are the three warranty terms — sections, hardware, and your labour?

They are almost always different lengths. The labour term is usually the shortest and the one you are most likely to need.

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Local pros

Garage Door Replacement near you

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Related work

Often done at the same time

Garage Door Panel Replacement

Cheaper when one section is damaged

Garage Door Opener Installation

Often done at the same time

Garage Door Spring Replacement

New door, new counterbalance

Garage Door Maintenance

Protecting the new door

All garage doors services →

FAQ

Garage Door Replacement — questions people ask

Still have a question? Talk to our team →

How long does a garage door replacement take?

A straightforward single-door replacement into a sound opening is generally a same-day job for a two-person crew. It stretches when the jamb timber or header needs repair, when a low-headroom track system has to be worked around obstructions, or when the opener needs relocating. If a quote promises a fixed duration without anyone having looked at the opening, treat the number as optimistic.

Is an insulated garage door worth it?

It depends on what the garage is. If it is attached, has a room above it, or is used as a workshop, gym or laundry, insulation makes a genuine difference to comfort and noise, and insulated doors are also stiffer and quieter in operation. If the garage is detached, unheated, and has bare uninsulated walls and ceiling, the door is not the weak point and you should not expect much from upgrading it alone.

Can I keep my existing springs and opener?

The opener usually carries over fine, provided it has the capacity for the new door and it is re-calibrated afterwards. The springs generally should not. They are matched to a specific door weight, and a new door — especially an insulated one — rarely weighs the same. Reusing them produces a door that is out of balance from day one and an opener doing work it was not sized for.

Do I need a permit to replace a garage door?

It varies by jurisdiction, and in wind-exposed and coastal regions it is more likely than people expect, because garage doors are regulated as part of the building envelope. A failed garage door in a storm lets pressure into the structure, which is why the requirements exist. Ask your installer what applies locally and who is responsible for pulling the permit — it should be them.

Should I buy the door from a big-box store or a local company?

Both routes end with a local crew doing the work; the difference is whether you choose them. Retail programs are convenient and price-transparent up front, but the installation is subcontracted, you do not select the company, and the quoted price assumes a clean swap. A local door company quotes the whole job including the awkward parts, and is the same phone number when a section fails in year three. Neither is wrong — just know which you are buying.

Does a new garage door pay for itself when I sell?

Garage doors are consistently near the top of published remodelling return-on-investment tables, and it is worth knowing where those figures come from: they are largely derived from agent and realtor perception surveys rather than from matched transaction data. A new door does make a visible difference to the front of a house, and that is real. What it does not do is literally return more money than it cost, and any seller quoting you a percentage as though it were a payout is quoting a survey.

A new garage door, specified before it is shopped

What is garage door replacement?

Signs you need garage door replacement

How garage door replacement actually works

What does garage door replacement cost?

When garage door replacement is the wrong call

Types of garage door replacement

Door types and materials compared

Door and hardware equipment

Choosing a door for your garage

What to check when hiring for garage door replacement

Garage Door Replacement near you

Often done at the same time

Garage Door Panel Replacement

Garage Door Opener Installation

Garage Door Spring Replacement

Garage Door Maintenance

Garage Door Replacement — questions people ask

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