IWS FR-Build Treated Timber
The IWS FR-Build Treated Timber utilises a water-based blend of synergistic flame retardant ingredients which was developed with only the timber building fabric in mind. The treatment was designed for structural timbers and formulated to provide robust resistance to site construction fires. It’s an audited, factory produced, controlled treatment and does not contain halides (chlorides or bromides), metals, phosphates or volatile organic compounds.
The Water Repellent included has been successfully used in the Ultrajoist product (Our parent company’s unique blend) for over 10 years to minimise the ingress of water, resulting in greater stability during and after the build process. This is a tremendous advantage when multi-storey timber structures are being constructed. The IWS FR-Build treatment when tested as part of a system has demonstrated its ability to minimise dimensional change when measured against its leading competitor products
As a result, IWS FR-Build treatment is suitable for timber studs, joists, rails, plywood and OSB components used in timber frame