Sarking systems — EHD anti-glare reflective foil

Bradford Anticon is the most widely specified extra heavy duty reflective foil sarking product in Australia and the standard reference product for under-tile sarking on pitched tiled roofs in Class 2 strata apartment buildings. Manufactured by CSR Bradford, it is a multi-layer laminated reflective foil product with a non-reflective (anti-glare) upper surface and a reflective lower surface. The anti-glare upper surface reduces radiant glare during installation and prevents blinding reflections through tiles after installation. The reflective lower surface reflects radiant heat back away from the ceiling, reducing summer heat loads in the roof space. Bradford Anticon complies with AS 4201 for reflective insulation and is NCC-compliant for the sarking requirement in the relevant climate zones. It is installed directly below the tile course on the roof battens, lapped and taped at joints, and turned into the gutters at the eaves. The product is available nationally through building trade suppliers. Confirm the current product width, lap requirements, and NCC climate zone applicability from the current Bradford Anticon installation guide before specifying.

Bradford Anticon Ultra is CSR Bradford's higher-performance variant of the standard Anticon reflective foil sarking, designed for projects where improved thermal performance or vapour permeability is required compared to the standard Anticon product. Anticon Ultra incorporates a micro-perforated vapour-permeable membrane layer that allows moisture vapour to pass through the sarking while maintaining weather resistance — this is important in humid climate zones where moisture vapour generated within the building can accumulate in the roof space if the sarking is not vapour permeable. Confirm the specific performance differences between Anticon and Anticon Ultra from the current Bradford TDS, including R-value contribution, vapour permeability rating, and climate zone applicability, before specifying Anticon Ultra over the standard Anticon product.

Sisalation 475 is a reflective foil sarking product from Fletcher Insulation, one of the two major Australian insulation manufacturers alongside CSR Bradford. Sisalation is a long-established brand name in Australian reflective foil sarking — the 475 designation refers to the 475mm width format. The product is reinforced with woven polypropylene or polyester scrim for tear resistance during installation. Sisalation 475 is used for pitched roof sarking under tiles and is available through roofing trade supply channels nationally. Where Bradford Anticon is the specifier's standard product, Sisalation 475 is the primary alternative from a major Australian manufacturer. Confirm AS 4201 compliance, NCC climate zone applicability, lap and sealing requirements, and current product width from the current Fletcher Insulation Sisalation TDS before specifying.

Kingspan Thermofoil is Kingspan's reflective foil sarking and roof underlay product for pitched roof applications. Kingspan is primarily known in the Australian market for its rigid PIR insulation board products (Kooltherm range), but also offers reflective foil underlay products for sarking and thermal applications under tiles. Confirm the current Kingspan Thermofoil product specifications, AS 4201 compliance, NCC climate zone applicability, product width, and availability in the Australian market before specifying. Where Bradford Anticon or Sisalation 475 are available through local trade supply, they may be more readily accessible than the Kingspan Thermofoil product in some markets.