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Product name:reflective foil Structure:alu foil +PE layer+woven fabric+PE+polythylene bubble+PE layer+Pure alu foil Product characteristic: Type: AWBBA L×W: 1.2m*30/40/50/60m per roll(custom also available) Thickness: 3 7mm, Alu:5mic,7mic,9mic Bubble diameter: 10mm, 20mm Weight: 280g,320gsm,340gsm,350gsm,380 450gsm(custom also available) Color: Silver Technical parameters: Temperature: -60 210 degree Fahrenheit(-50 100centigrade degree ) Reflectivity: 97% R-value:3.2 6.8 Emissitvity:0.03 Smoke development:15 Flame retardant:15 Benefits: 97% radiant heat reflection; vapor barrier,thermal barrier,radiant barrier; damp proof, fire proof,radiant heat transfer; Applications: residential construction and retrofit: walls, basements, floors, ceilings, roofs, attics,crawl space ; commerical and agricultural construction: poultry houses, hog and dairy barns garage door: acted as a moisture barrier warehouse:reduce air infiltration, keep the heat inside in winter and outside in summer.