Hormann

Door specificationSteel fire-rated door EI30Fire resistance EI30Thermal insulation U = W - 1.7 (m² ∙ K)Noise isolation - 39 dBSteel sheet thickness 0.9 mm, with a 2-sided rebate, hidden fire-resistant strips, zinc-plated surface, with a primer coating (powder coating).Cloth filling - mineral woolRAL..