SilverFloor Underfloor Reflective Insulation Trade Select

SilverFloor® by Trade Select is a premium double-sided reflective underfloor insulation designed to deliver year-round comfort, thermal efficiency, and moisture protection beneath suspended floors. Engineered with heavy-duty strength and Class 2 vapour barrier properties, SilverFloor® reflects up to 97% of radiant heat, significantly improving energy performance in both residential and commercial buildings.

Whether you're insulating a timber subfloor or raised pole home, SilverFloor® is ideal for enclosed or semi-enclosed subfloor areas, especially in climates prone to temperature extremes or bushfire exposure.

Key Benefits

Double-sided reflective aluminium surface

Acts as a radiant barrier + vapour barrier

Helps achieve up to R3.36 in winter

BAL-rated for all bushfire zones (AS 3959-2018)

5 mm weep holes for drainage (prevents trapped moisture)

90-day UV resistance

Lightweight and easy to install

Fibre-free, safe to handle

Product Specifications

Material Type: Double-sided reflective foil laminate

Nominal Thickness: 0.13 mm

Vapour Classification: Class 2 Vapour Barrier

Fire Rating: Low flammability, suitable for BAL-12.5 to BAL-FZ

Water Resistance: Yes (with drainage perforations)

Air Barrier: Yes

Roll Sizes Available:

500 mm × 60 m (30 m²)

1500 mm × 60 m (90 m²)

Best Applications

Underfloor insulation in timber-framed homes

Enclosed subfloor areas and joist cavities

Pole homes, modular builds, and rural dwellings

Bushfire-prone zones requiring compliant sarking materials

Installation Notes

Install with a minimum 90 mm air gap above the upper foil layer for optimal thermal performance.

Suitable for both retrofit and new builds.

For ventilated or wind-exposed areas (e.g., pole homes), install a sealed lining beneath joists for added control.

Compliant with AS/NZS 4200.1:2017 and AS/NZS 4859.1:2018 standards.

Safety

This product is electrically conductive. Keep clear of electrical fittings and wiring during installation.

Follow standard safety practices and manufacturer guidelines.

Compliance & Ratings

Complies with the National Construction Code (NCC)

Meets requirements for all Bushfire Attack Levels (BAL-12.5 to BAL-FZ) under AS 3959-2018

AS/NZS 1530.2 & 1530.3 tested

NCC insulation and sarking compliant under AS/NZS 4200.1

Why Choose SilverFloor®?

If you’re building or renovating with an exposed subfloor, SilverFloor® provides the ultimate underfloor protection — keeping your home warmer in winter, cooler in summer, and compliant in bushfire-prone areas. Fast to install and built to last, it’s the ideal choice for homeowners and builders looking for an efficient, certified, and breathable insulation system underfoot.