better R-vlaue and Fire retardnat ,reflectivity lower and emissivity very good ,using the roof/wall/commerical building Roof foil insulation/ roof sarking/ thermal foil insulation Structure: Pure alu foil+ PE layer+ Woven fabric+anti-glare coated Specifications1, emittance: 0.03 2, water barrier: high 3:flammability:low 4,97% reflectivite 5, UV stabilisedTough Wall WrapType:Medium dutyNon- ...