Insulated metal panel for roof
Sigma - Width mm 710. Length upon request from continuous production process. Thicknesses (S): mm 20 - 30 - 40 - 50 - 60 - 80 - 100 panels of non standard thicknesses can be supplied upon request previous agreement on minimum quantities. Supports: galvanized steel, galvanized prepainted or plastified steel; stainless steel; natural, prepainted or embossed aluminium; copper. Insulation through continuous foaming process of: Polyurethane resins (PUR) and polyisocianurate foams (PIR), density 39 ±2 Kg/m³. Declared value of thermal transmittance for a panel after 25 years of its installation, (Appendix C - EN 13165). Initial value of thermal conductivity: λ = 0. 020. Protective treatments for external support available on request for external: polyester coating, atoxic pre-painted for food contact, silicone polyester, PVDF, thermoplastic Class A application of PVC plastic films or other films. Sigma, upon simple request is available in PIR foam (polyisocyanurate rigid foam), a special polymer structure that provides excellent fire behavior.