Garage door insulation kits. Pick yours, fit it this weekend.
Every kit fits inside your existing door, no builder and no chemicals. Insulation kits are backed by a 10-year guarantee and everything ships Australia-wide. Pick your line below.
From $370 Garage Door Insulation Kit
DIY panels that line your existing door. Single, double and XL sizes on the one page. Up to 20°C cooler, R1.5.
Shop Insulation Kits →
From $260 Garage Door Seals
Brush seals that close the side gaps around the door. Block draughts, dust, water, leaves and pests in an afternoon.
Shop Seals →Which kit fits my door?
The insulation kit comes in three sizes on the one product page, so you just pick your size there. If your problem is gaps around the frame rather than heat through the door, the seal kit is what you want.
| Your door | What to choose |
|---|---|
| Single garage door | Insulation Kit, Single (8 panel) from $370 |
| Standard double door | Insulation Kit, Double (16 panel) from $700 |
| Extra-large or oversized double | Insulation Kit, XL Double (20 panel) from $880 |
| Gaps around the door frame | Garage Door Seals from $260 |
Not sure of your panel count? Use the measure guide before you order.
All prices include GST, plus delivery, calculated at checkout.
Why KoolDoor
- Ships flat-packed Australia-wide. Pick your size and we deliver to your door.
- 10-year guarantee on every insulation kit.
- Ready in a weekend. Tape measure, straightedge, knife. About 2 to 3 hours.
- Fire-resistant PIR panels. Closed-cell foam, white on both sides, not flimsy polystyrene.
Common questions
Which kit do I need?
Count the horizontal sections on your door. Single doors usually have 8. Standard doubles usually have 16. Wider or taller doubles take the 20-panel kit. All three sizes are on the one Insulation Kit page, so pick yours there. Still not sure? Check the measure guide or call 1300 37 38 39.
How long does it take to fit?
Most people finish in about 2 to 3 hours. You cut each panel to size with a straightedge and knife, then press them into the door sections.
Do you ship across Australia?
Yes. DIY kits ship Australia-wide. Order from anywhere and we post it out.
Can someone fit it for me?
Yes. Professional installation is available in Sydney, Melbourne, Brisbane, Hobart and Adelaide. Get a fixed-price install quote.
Ready to stop losing your garage to the heat? Pick your kit above. Or call 1300 37 38 39 if you want to talk it through first.
Tell us your door, we'll point you to the right kit
Check the measure guide, or get a fixed-price install quote in 60 seconds.