Garage Door Seals
The Panel Insulates the Door. The Seal Closes the Gaps.
Garage door seals close the gaps that insulation panels cannot reach. ThermaDoor panels deliver R1.43 thermal performance across the door surface — but the frame gaps at the top, sides, and bottom are where heat, cold air, dust, pests, smoke, and bushfire embers get in. The Cleverseal system closes those gaps, reducing airflow into your garage by up to 96% and completing the thermal and weather barrier your home needs.
For further information read our blog: Sealing Your Garage Door: Benefits, Flame Retardant Seals & Why Australian Made Wins
Why Garage Door Seals Matter
Insulation and seals work together. The panels reduce heat transfer through the door. The seals stop air movement around it. Neither does the full job without the other.
- Bottom seals – Keep out water, leaves and debris at ground level
- Side seals – Block dust, pests and airflow from the sides
- Top seals – Reduce heat loss and stop ember attacks in bushfire zones
- Up to 96% reduction in airflow for improved comfort and cleanliness
- Australian made, designed for Australian conditions – hot, cold, dusty or stormy
Flame Retardant Seals for Bushfire Zones
If your property has a BAL rating, the standard brush seal is not sufficient. Cleverseal’s Cinderseal™ flame-retardant garage door seals are tested to AS 3959:2018 — the Australian Standard for construction in bushfire-prone areas — and are approved for every BAL rating, including BAL-FZ (Flame Zone). If you are in a designated bushfire-prone area, choose the Cinderseal™ variant when ordering.
Cobra Seal — Garage Door Bottom Seal
The Top and Side Seals Close the Frame. The Cobra Closes the Floor.
The floor gap is the largest single point of air and water entry in most garages. The Cleverseal Cobra is a heavy-duty bottom-of-door seal built to close it — even on uneven floors. Available in two sizes (Cobra-M for up to 40mm gaps, and Cobra-L for up to 60mm gaps), it fits most Australian garage doors.
Why Choose Cleverseal Cobra?
Complete Garage Protection & Durability
Built with a hard-wearing aluminium carrier, a UV-stabilised bristle brush, and a flexible blade for sealing uneven surfaces, the Cobra effectively blocks rain, wind, dust, insects, smoke, fumes, and coastal salt corrosion.
Energy Efficient & Cost Saving
By closing the floor gap, the Cobra works directly with your ThermaDoor panels and frame seals to reduce overall air infiltration — cutting energy loss and lowering power bills year-round.
Australian Made Quality
We chose Cleverseal for the same reason we built ThermaDoor: Australian-made, designed for Australian conditions, and built to a standard rather than a price. Established in 2007, Cleverseal is Australia’s leading garage door sealing company. Their seals are designed, developed and manufactured in Australia, and backed by a 5-year manufacturer’s warranty. When you pair ThermaDoor panels with Cleverseal seals, you get a complete, Australian-made garage door system — every component chosen for performance, not convenience.