Home gym
Train before work, after dinner, or whenever you get half an hour. When the garage is more comfortable, the workout stops feeling hard before you start.
Australia's original garage door insulation
Stop your garage becoming an oven in summer & an icebox in winter
The most thermally efficient garage door insulation in Australia. Fit it yourself in an afternoon — or have us install it for you.
Trusted by homeowners across Australia
47°Csun-baked outside
Up to 20°Ccooler door surface
24°Ccomfortable inside
10-YearGuarantee
Fire-RatedPIR Core
ShippedAustralia-Wide
Pro InstallQLD · NSW · TAS
A garage you can use, not avoid
Make the garage the most useful room in the house
A cooler, cleaner garage gives you options. Train in it. Work in it. Park in it. Store the things you care about without heat, dust and winter chill taking over.
Garage office
Need a quiet place away from the kitchen table? A more comfortable garage can become a proper work zone for calls, admin, study or running a business from home.
Clean car space
Keep the car space, but make it feel finished. Less heat, less dust and a cleaner garage makes parking, loading and weekend jobs easier to live with.
Workshop & storage
Build, fix, sort, pack or store without fighting the room. A garage that feels cleaner and more comfortable is easier to use for the jobs you never want inside.
The problem starts at the garage door
Most garages are not built for comfort
The garage door is usually the biggest uninsulated surface in the room. It cops the sun, lets draughts through the gaps, and leaves the whole space feeling unfinished.
It turns into an oven
Sun-baked metal heats the whole garage by afternoon.
Fix: insulated door panels slow the heat.
It gets cold and draughty
Gaps and bare panels let winter comfort leak out.
Fix: panels and seals help hold warmth.
Dust and dirt get in
Leaves, dust and road grime creep through door gaps.
Fix: garage door seals close the edges.
Noisy and unfinished
Hard metal and open gaps make the room feel harsh.
Fix: insulation helps dampen the door.
Two ways to get a cooler garage
Do it yourself, or let us do it for you
Same premium, fire-rated panels either way. Choose the path that suits you.
Most Popular DIY Kit · Australia-wide
From $370
Insulate it yourself
- Panels pre-cut to fit your door brand
- Fits in 2–3 hours with a knife & tape measure
- No glues, no chemicals, no mess
- Shipped flat-packed to your door
QLD · NSW · TAS Supplied & Installed
Done for you
We measure, cut & install
- We come to you and measure on-site
- Professional fit in around an hour
- Fixed-price quote — no surprises
- Get your price in 60 seconds
Why insulate your garage door
The biggest hot-and-cold spot in your home
Your garage door is the largest uninsulated surface in most Australian homes. Here's what KoolDoor changes.
Up to 20°C
Cooler door surface
Cut the radiant heat pouring off a sun-baked metal door in summer.
R1.5
Panel R-value
Closed-cell PIR foam — up to 40% more efficient than standard EPS panels.
All yr
Cool & warm
Turn the garage into a usable room you actually want to be in.
Quiet
Less noise
Dampens road noise, rain and the rumble of the door itself.
$$$
Lower bills
Stop the garage dragging your home's heating and cooling.
Safe
Fire-rated
Fire-resistant closed-cell PIR foam core.
47°CBefore · uninsulated
24°CAfter · KoolDoor
See the difference
The thermal camera doesn't lie
Real before-and-after thermal imaging from KoolDoor installs. The same door, the same day — one side baking, the other comfortable.
Cool my garage → Simple either way
How it works
DIY Kit Fit it yourself
1
Measure & order
Use our sizing guide, pick your door size, checkout. Shipped flat-packed.
2
Cut to fit
Trim the pre-sized panels with a knife and straightedge — no power tools.
3
Click in & done
Panels slot straight into your door. Most garages done in 2–3 hours.
Installed We do it for you
1
Get your quote
Answer a few questions and get a fixed price in 60 seconds.
2
We measure on-site
A quick 5-minute measure — all cutting is done off-site, no mess.
3
Professional install
We fit your panels in about an hour, at a time that suits you.
4
Enjoy your cooler garage
The panels carry our 10-year guarantee.
Shop DIY kits
Pick your kit — shipped Australia-wide
Transparent pricing, inc. GST.
Single Double XL Double 
Seals Good to know
Common questions
KoolDoor's PIR foam panels can reduce the door's surface temperature by up to 20°C, dramatically cutting the radiant heat coming off a sun-baked metal door — and keeping warmth in during winter. Exact results vary by door, orientation and climate.
Yes. The panels come pre-sized for your door and are trimmed with a knife and straightedge — no power tools, glues or chemicals. Most single garages take 2–3 hours.
Our kits are designed for sectional garage doors from the major Australian brands. Use the sizing guide at checkout, or talk to us on 1300 37 38 39 if you're unsure.
Both. DIY kits ship Australia-wide. Professional supply-and-install is available in QLD, NSW and TAS — get a fixed-price quote in 60 seconds.
Every KoolDoor insulation kit is backed by a 10-year guarantee against manufacturing defects. Seal kits and installation labour are not covered by it, but your Australian Consumer Law rights apply to both.
Ready for a cooler garage?
Get your garage sorted before the next heatwave
Shop a DIY kit shipped to your door, or get a fixed-price install quote in 60 seconds.