ThemaDoor Garage Door Insulation
ThermaDoor Garage Door Insulation
ThermaDoor Premium Range Garage Door Insulation Kits
Is your garage sweltering in summer and freezing in winter? The temperature inside your garage affects your home’s comfort, energy efficiency and even power bills. If you’ve been searching for garage door insulation kits in Australia that truly work, the ThermaDoor Premium range delivers tested, purpose-built results.
Why Choose ThermaDoor Premium Garage Door Insulation?
Each ThermaDoor Premium garage door insulation kit is:
- The original and still the only purpose made garage door insulation on the Australian market.
- Proudly designed, owned and manufactured right here in Australia by an Aussie builder.
- Designed specifically for sectional garage doors and tilt garage doors
- Made with a 35mm, flame retardant, construction grade EPS core for maximum performance
- Backed with a laminated construction grade sisalation foil for extra thermal protection.
- Finished with a designer, impact resistant white vinyl laminate - tough, durable and easy to clean
- Designed to fit neatly inside garage door panels with no mess or visible fixings.
Verified R-Values You Can Trust
ThermaDoor Premium’s insulation performance is independently calculated by a thermal engineer:
R1.48 (winter) / R1.43 (summer) – Australia’s best verified garage door insulation R-values.
Calculated to the latest Australian Standards: AS/NZS 4859.1 & 4859.2:2018.
We’re the only garage door insulation company to publish dual-season, door assembly R-values.
Calculated to the real garage door system – not just the raw material – so you know the numbers are real.
Standard garage door are R0.0 without insulation. Our blog on Thermal Bridging and Garage Doors explains why tested assembly values matter
Key Benefits of ThermaDoor Premium Garage Door Insulation
Improved Comfort
- Keeps garages cooler in summer and warmer in winter
- Reduces hot and cold drafts
- Creates stable temps for adjoining rooms
Energy Efficiency
- Lowers heating and cooling costs
- Verified R-values specific to the garage door so you know the numbers are real
- A cost effective upgrade
Protection & Durability
- Protects items from extreme temps
- Correct installation protects garage door and motor life
- Professional spring adjustment maintains performance
Noise Reduction
- Quieter garage door operation
- Reduces noise entering and leaving the home
- Provides more comfort in nearby rooms
Home Value & Lifestyle
- Improves energy efficiency and property appeal
- Turns the garage into a usable space (gym, office playroom)
- Sleek, finished look with white laminated panels
Safety & Compliance
- Purpose built for garage doors
- Thermally rated to the most up to date and stringent Australian Standards
- Fire safety tested to correct Australian Standards
ThermaDoor: Garage Door Insulation that Transforms Your Garage
- Some customers have told us they have experienced improved thermal performance of up to a 20°C temperature difference, depending on garage orientation.
- Helps block outside noise if you live on a busy road or have a garage connected directly to your home.
- Upgrades the look and feel of your garage with the durable, easy to clean, vinyl face
👉 Read why you shouldn’t fall for unverified ‘temperature-drop’ claims and why these are pure marketing spin when not backed by engineering reports and tested R-Values.
Insulating your garage door with ThermaDoor Premium garage door insulation opens the door to new possibilities.
Homeowners across Australia are converting their garages into:
Home Gyms
Train comfortably year-round - no more sweltering summers or chilly winters.
Home Offices
Quieter, more stable temperatures for better focus and lower energy bills.
Man Caves
A retreat that stays cool in summer and warm in winter for real downtime.
Hobby Studios
Consistent conditions that protect materials and make projects more enjoyable.
Children's Playroom
A safer, more comfortable space for play - fewer drafts and hot/cold spots.
Pet Rooms
A calmer climate for pets, reducing heat stress in summer and chills in winter.
Looking for inspiration? Read our blog on how to transform your garage into a stylish media room.
ThermaDoor Garage Door Insulation
ThermaDoor Plain Range Garage Door Insulation Kits
Cost Effective Garage Insulation Solutions
Looking for a budget-friendly way to insulate your garage? ThermaDoor’s Plain Range garage door insulation kits are designed for homeowners who want improved comfort without breaking the bank. Lightweight, easy to handle and effective, this range offers a smart solution for reducing heat, cold and noise transfer.
While our Premium Range provides maximum thermal performance and engineered durability, the Plain Range is ideal for those seeking low-cost garage insulation that still delivers results.
Plain Graphite-Infused Polystyrene
Plain Graphite-Infused Polystyrene (Dark Grey/Black)
Plain White Construction Grade Polystyrene
Plain White Construction Grade Polystyrene (M Grade)
Plain Range Options
Plain Graphite-Infused Polystyrene (Dark Grey/Black)
Upgrade your garage with our plain graphite infused polystyrene insulation, offering:
- Up to 20% better thermal resistance than plain white polystyrene
- Sleek dark grey finish for a modern garage look
- Best suited for garages with low impact and minimal wear
Plain Construction Grade Polystyrene (White)
Choose our plain construction grade polystyrene insulation, offering:
- Classic white M-grade insulation
- Improved strength and impact resistance compared to the graphite option.
- A tougher choice for busy garages or high use areas
Choose to:
Why Choose the Budget Friendly Plain Range?
Both options provide:
- Lightweight & easy to install
- Fire retardant & moisture resistant
- Noise reduction benefits
- Potential improved energy efficiency
These polystyrene types are widely used in residential construction for walls, floors, and roofs – proven materials repurposed for garage doors to help regulate temperature.
Important Note on R-Values
Unlike the Premium Range, the Plain Range materials aren’t engineered specifically for garage doors and don’t carry garage door assembly R-values. However, they still help reduce heat, cold, and outside noise at an affordable price.
Custom Garage Door Insulation Solutions
Have a custom or specialty garage door? We’ve got you covered. Whether it’s a tilt door, RV garage door, airplane hangar door or even acrylic panel doors, ThermaDoor can provide the right insulation solution.
We specialise in tailored garage door insulation for non-standard and oversized openings. Contact us today to discuss your unique door and get expert advice on the best insulation fit.
ThermaDoor. Leave it to the experts.
Get a Quote Today
In order to receive a quote for either DIY or supply and installation of ThermaDoor garage door insulation kits, you will need some specific details about your garage door.
Our Videos
Videos & Guides
Below is our step by step video guide on how to insulate your garage door with ThermaDoor Garage Door Insulation – Australia’s ORIGINAL PURPOSE MADE garage door insulation!