BS EN 13469. Thermal insulating products for building equipment and industrial installations. Determination of water vapour transmission properties of preformed pipe insulation
BS EN 13469. Thermal insulating products for building equipment and industrial installations. Determination of water vapour transmission properties of preformed pipe insulation
Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end-use applications-Specification for laminated boards (roofboards) with auto-adhesively or separately bonded facings for use as thermal insulation boards for pitched roofs