Manufacturer page.

Twin-Therm wall and Twin-Therm FW FireWall are site assembled cladding systems comprising a Colorcoat pre-finished steel liner, MatriX spacer system, Therma-quilt non-hygroscopic glass mineral wool insulation or Therma-rock rock fibre insulation and a Colorcoat pre-finished steel external weathering profile. The Twin-Therm wall and Twin-Therm FW FireWall systems are independently assessed by Agrément [8] and the systems have been tested in accordance with BRE LPCB test LPS 1181-1 and certified to Grade EXT-B, EXT-A15, EXT-A60 and EXT-A120 [9]. Both Therma-quilt and Therma-rock insulations are Euroclass A1 Non-Combustible to EN 13501-1 [10]. The Twin-Therm wall and Twin-Therm FW FireWall systems can also be designed to achieve FM Approval standard FM 4411 [11]. • Standard U-values as low as 0.14W/m²K • Euroclass A1 Non-Combustible Therma-quilt and Therma-rock insulation to EN 13501-1 • LPCB tested to LPS 1181 achieving EXT-B, EXT-A15, EXT-A60 or EXT-A120 status • LPCB tested to LPS 1175 and can be designed to achieve SR1 and SR2 Security Ratings • Secured By Design (SBD) approved systems • Proven building Air Permeability as low as 0.33m3/hr.m2 • FM Approved systems tested to FM 4411 • Twin-Therm Chronus specification provides enhanced building adaptability, suitable for internal temperatures as low as 0°C