Sandwich Rockwool PU Panels for Roofing&Wall

Upper layer:Steel/aluminium sheet 0.3-0.6mm(steel sheet);0.7-0.9mm(aluminium sheet)Core:Polyurethane foam  Thickness:30-100mm.Polyurethane foam density35-42kg/m3Bottom layer:Steel/ aluminium sheetEffective width.950/970/965/1000Length11.8m(40GP), 5.8m(20GP)convenient colourSteel outer sheet: Ocean blue, white grayAluminium:outer  sheet: Silver greyService time20-40yearsCharacteristicsLight in weight, heat insulation, water resistant,Green and environmentalApplicationRoofs for factory buildings, storages, exhibitionHalls, gymnasiums etc/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1