The uniquely flexible polyurethane spray foam insulation system has now achieved Class 0 certification as described in Approved Document B of the Building Regulations: it is therefore now approved for use in all internal areas, including circulation and escape routes. The Class 0 rating is achieved using a combination of CL 100 spray-applied polyurethane foam insulation with 100 water-based intumescent coating. To achieve this classification the composite system has been tested under BS 476-6 relating to fire propagation and BS 476-7 relating to surface spread of flame. Launched in 2010. Spray foam insulation is proving to be a speedy and adaptable solution for achieving impressive thermal efficiency with particular benefits for retrofitting to internal surfaces. The system can be applied to most substrates: its method of application means that it provides effective Insulation even for irregular surfaces and difficult profiles.
This product can be used on all horizontal or vertical surfaces and is currently proving most popular in difficult-to-treat refurbishment projects, Residential and commercial premises are equally appropriate, with the new fire rating paving the way tor the product, increased use in multi-occupancy housing units.