Sarnafil G 476

Sarnafil® G 476 is a multi-layer, synthetic roof waterproofing membrane based on premium-quality polyvinyl chloride (PVC) with an inlay of glass non-woven.Usage:Concealed flat roofs (green roofs, utility decks, ballasted roofs)Characteristics:Outstanding root resistanceExcellent weld abilityGood flexibility in cold temperaturesExcellent dimensional stabilityHigh resistance to mechanical impactHigh water vapour permeabilityRecyclableSystem Structure:A wide range of tested and approved Sika accessories for the single-ply roofing system is available: vapour retarder, thermal insulation, separation layer, fasteners, detailing membrane, contact adhesive, perimeter bars, welding cords, termination bars, sealants, prefabricated parts (corners, roof drains, scuppers, walkway pads, lightning conductor clips etc.) etc.Substrate Quality:The substrate surface must be uniform, smooth and free of any sharp protrusions or burrs. The supporting layer must be compatible to the membrane, clean, dry and free of grease and dust.Specifications:TypeUnitTest methodG 476-12PropertiesG 476-15G 476-20Effective thicknessmmEN 1849-21.21.52Water tightness….EN 1928PassPassPassChemicals incl. water….EN 1847On requestOn requestOn requestReaction to fire….EN ISO 11925-2 EN 13501-1EEEWater vapour transmission properties….EN 1931150001500015000Joint peel resistanceN/50mmEN 12316-2….….….Joint sheer resitanceN/50mmEN 12317-2>-500>-500>-500Tensile strengthN/mm2EN 12311-2>-8.5>-8.5>-8.5