ASA LAYERED TRAPEZOIDAL PROFILE ROOFING SHEET TECHNO ROOF OFFERS UPVC TRAPEZOIDAL PROFILE ROOFING SHEET WITH ITS MULTI LAYERED STRUCTURE OF PVC, ASA AND INSULATION LAYERS WHICH LASTS FOR A VERY LONG TIME. ASA- ACRYLONITRILE STYRENE ACRYLATE IS WIDELY USED IN THE AUTOMOTIVE APPLICATIONS DUE TO ITS STRONG COLOUR AND FADE RESISTANCE, WEATHER RESISTANCE AND UV RESISTANCE. THIS ENSURES DURABILITY AND RESISTANCE TO CHEMICAL CORROSION. KEY FEATURES OF ASA LAYERED TRAPEZOIDAL UPVC ROOFING SHEETS:  MATERIAL CONSUMPTION- THE PRODUCT IS A BLEND OF HIGH PERFORMANCE POLY VINYL CHLORIDE (PVC) RESIN IN 3 LAYERS TOPPED WITH ACRYLONITRILE STYRENE ACRYLATE (ASA)  FUNCTIONS OF ASA LAYER- THE ASA LAYER HAS HIGH RESISTANCE TO SOLAR HEAT AND HARMFUL UV RAYS. THAT IS WHY ASA LAYER IS USED IN SPACESHIPS AND SATELLITES. IT HELPS IN PRESERVING THE COLOUR AND INCREASES THE DURABILITY OF THE ROOFING SHEET, ENSURING COOL AND COMFORTABLE TEMPERATURE INSIDE THE PROPERTY.  HEALTH FRIENDLY- THE ASA LAYERED TRAPEZOIDAL PROFILE UPVC ROOFING SHEETS ARE MANUFACTURED FROM 100% ORIGINAL AND ENVIRONMENT FRIENDLY MATERIALS THAT CAN BE RECYCLED MANY TIMES. THE SHEET DOES NOT CONTAIN ASBESTOS OR ANY HARMFUL CHEMICALS AND DOES NOT DISCHARGE RADIOACTIVE RAYS. MAKING IT AN ABSOLUTE SAFE ROOFING PRODUCT  RESISTANCE TO EXTREME TEMERATURES- THE ASA LAYERED TRAPEZOIDAL PROFILE ROOFING SHEETS MAINTAIN THEIR PHYSICAL AND MECHANICAL PROPERTIES IN EXTREME WEATHER CONDITIONS O 400 C TO 800 C  RESISTANCE TO CORROSIVE CHEMICALS- THE ASA LAYERED TRAPEZOIDAL PROFILE UPVC ROOFING SHEETS ARE 100 % RESISTANCE TO SEA WATE AND CORROSIVE CHEMICALS SUCH AS 0 HYDROCHLORIC ACID, NITRIC ACID, SULFURIC ACID, CHROMIC ACID, ACETIC ACID AND HYDROFLUORIC ACID. THIS MAKES IT AN IDEAL PRODUCT TO BE USED IN HARSHEST WEATHER CONDITIONS:  THERMAL AND SOUND INSULATION- THE MULTILAYER CO EXTRUSION PROCESS OF MANUFACTURED ASA LAYERED TRAPEZOIDAL PROFILE UPVC ROOFING SHEETS ARE KNOWN FOR THEIR DISTINCTIVE ADVANTAGE OVER TRADITIONAL ROOFING PRODUCTS IN TERMS OF THERMAL AD SOUND INSULATING PROPERTIES. SPECIFICATIONS OF ASA LAYERED TRAPEZOIDAL PROFILE ROOFING SHEETS THICKNESS-2.5 MM SUPPLY WIDTH 1130 MM EFFECTIVE WIDTH-1050 MM PITCH -210 MM CREST HEIGHT – 24 MM COLOUR- OFF WHITE / BLUE OTHER COLOURS