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Underfloor Insulation

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Bradford Optimo Underfloor Insulation a rigid, high density insulation with excellent thermal and acoustic properties, specifically developed for homes with suspended timber floors.


Bradford Optimo Saddles are designed to hold underfloor insulation in place in NEW CONSTRUCTION ONLY. The saddles must be installed over the floor joist before the floor in installed. For existing floors, see OPTIMO STRAPS.

Bradford Optimo Straps should be spaced every 500mm. Used to hold underfloor insulation in place in existing homes.

Why buy from us

Click each image for more information on why Austral Gold Coast is the best choice in QLD for supply & installation of insulation, ventilation and skylights.

Over 37 years experience in insulation

Austral Insulation has supplied insulation, ventilation and other building materials to Queensland homeowners and tradesmen for over 37 years. More info >>

Bradford approved distributor

Our insulation is supplied by CSR Bradford. Bradford Insulation was established 80 years ago and is Australia's oldest and most respected insulation company. Bradford is also part of CSR, an iconic Australian company that was established in 1855. More info >>

Expert advice

We supply and fit all major categories of insulation, ventilation and skylights and provide expert advice to builders, tradesmen and homeowners. More info >>

HIA and QMBA members

We are members of both the Housing Industry Association of Australia and the Queensland Master Builders Association, so you can rest easy knowing that you're dealing with licensed, qualified professionals. More info >>

Family owned Australian business

We are a family-owned Australian business and, like you, we support local. More info >>