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AUGUST 2017 | 17 Building Envelope PHOTOGRAPHY COURTESY ARRISCRAFT Building Products of Canada regards roofing as an integral part of the building envelope, and as such pro- vides everything from Type II and III oxidized asphalts to wax-coated ESGARD roofing insulation panels that increase the stiffness and strength of a roof. Below grade waterproofing is as crucial to the integrity of a building envelope as the roof, and Mapei Inc. this year has introduced its Below-Grade Waterproofing Systems product line to the Canadian construction market. One product of note is the Mapeproof sodium bentonite geotextile waterproof- ing membranes, made of puncture- and tear-resistant polypropylene fabrics and high-swelling, self-sealing sodium bentonite; the membranes are available in a standard grade and an alternate grade designed for sites where groundwater is contaminated with chem- icals, salt or other foreign substances. Also from Mapei, Mapethene is self-adhering, rub- berized-asphalt sheet waterproofing membranes constructed of impact-resistant, cross-laminated, high-density polyethylene film; both Mapeproof and Mapethene are supported by a complete line of acces- sories, including Mapebond adhesives and Mapedrain drainage composites. Meanwhile at Arriscraft, the product that is gener- ating industry interest is the Proguard DP insulated concrete board, a lightweight and durable ready to finish board designed for commercial and residential applications and attaches to structural studs or con- crete walls. By putting the insulation on the outside of the assembly, heat transfer through the studs or con- crete is greatly reduced and the thermal efficiency of the wall system significantly increased. ProGUARD DP Insulated Concrete Board system. SOPREMA – NOTHING GETS THROUGH US Your Complete Building Insulation Solution NEW POSSIBILITIES R HERE INSULATION TECHNOLOGIES EXTRUDED POLYSTYRENE CELLULOSE POLYISOCYANURATE FOR ROOFS POLYISOCYANURATE FOR WALLS SPRAY-APPLIED POLYURETHANE FOAM 5

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