Insulation delivered on time.Earthwool®, sarking & acoustic — direct to your door.
Thermotech Insulation is an online insulation supplier for NSW, ACT and Queensland. Shop competitive trade prices on ceiling, wall, roof and acoustic insulation with fast regional delivery.
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Every insulation type, one supplier
Insulation
Premium glasswool and acoustic insulation batts for walls, ceilings and partitions.
Browse rangeRoofing Blankets
Foil-faced roofing blankets for metal roofs — thermal performance and condensation control.
Browse rangeCommercial Roofing Accessories
Safety mesh, spacers, fasteners and tools for commercial roof installations.
Browse rangeBushfire Roof System Blankets
BAL-rated glasswool roof blankets for bushfire-prone areas.
Browse rangeWall & Ceiling Batts
Glasswool batts engineered for thermal comfort and acoustic performance in walls and ceilings.
Browse rangeThermo Reflective Foam Cell Products
Reflective foam-cell products that eliminate thermal bridging through framing.
Browse rangeWall Wrap / Sarking Vapour Permeable Membranes
Reflective sarking and vapour-permeable wraps — air, water and vapour barriers for the building envelope.
Browse rangeTapes / Accessories
Sealing tapes, thermal break strips, fasteners and adhesives for sarking, membrane and insulation installs.
Browse rangeAdhesive Tapes & Fasteners
Foil tapes, adhesives, clips and ties to complete every insulation install.
Browse rangeVentilation — Residential & Commercial
Passive and wind-driven roof ventilation for healthy, condensation-free roof cavities.
Browse rangeSoffit & Wall Boards
Kingspan Kooltherm® and DCT ISO rigid boards — premium R-value at minimum thickness.
Browse rangePipe Lagging Products
Acoustic pipe lagging that cuts waste-water and HVAC noise.
Browse rangeFlexible Mass Barriers
Mass-loaded vinyl barriers (Wavebar, Quadzero) for high-STC walls, floors and ceilings.
Browse rangeFast NSW, ACT & QLD delivery
Direct from the manufacturer to your site — metro & regional.
Trade-quality brands
Earthwool®, Trade Select™, EcoTuff®, SoundLag™ — backed by warranty.
Eco-friendly materials
Made with up to 80% recycled glass and bio-based ECOSE® binder.
Engineered R-values
From R1.5 ceiling batts to R8.0 — sized to your climate zone.
Featured
Best-selling insulation products
7 R-Values
7 R-Values
Energy Savings
Understand R-values & cut your energy bills by up to 45%
The R-value measures thermal resistance — the higher the value, the better the insulation. Choosing the right R-value for your climate zone is the single biggest investment you can make in long-term energy efficiency.
Open the calculatorRecommended R-values
| Climate Zone | Ceiling | Walls |
|---|---|---|
| 2 — Subtropical (Brisbane, Sunshine Coast) | R4.1 | R2.5 |
| 5 — Mild (Sydney, Central Coast) | R4.1 | R2.8 |
| 7 — Cool (Canberra) | R6.0 | R2.8 |
Coverage
Insulation delivery across NSW, ACT & QLD
From Sydney to Brisbane and across the east coast — we deliver Earthwool® batts, sarking and acoustic systems straight to residential sites, building yards and commercial projects in NSW, ACT and Queensland.
- Sydney
- Brisbane
- Canberra
- Central Coast
- Sunshine Coast
Need help with a large project?
Get in touch with our team for advice on your full insulation package — usually within 24 hours.
Contact usReady to insulate?
Browse our full range of insulation products with delivery across NSW, ACT & QLD.