b'GREEN ROOF SYSTEMSConsidering the seven exclusivelyCRs during the heating dominated heating months, from October tomonths. The highest monthly April, the heat loss through the GRaverage heat loss through the GR is about two-per-cent higher than(1.99 W/ m2) occurs in December, the CR, whereas during the exclu- and the average heat flows through sively cooling months, from June tothe CR roof are lower by onlyAugust, the GR reduces the heat 1.8 per cent. The highest heat gain to gain by 66 per cent and allows a the test building occurs in the month shift and slash peak cooling loadof August, and the monthly average (Fig. 6). As can be seen in the figure,heat gain through the GRthe GR heat losses are margin- (0.28 W/m2) is 40-per-cent less less ally higher than the correspondingthan that of the CR.FIG. 5. HEAT FLUX THROUGH GR, GM AND CR DURING TYPICAL (A) SUMMER, (B) WINTER, AND BLACK AND ORANGE DOTTED LINES ARE OUTDOOR TEMPERATURE ANDFIG. 6. MONTHLY AVERAGE HEAT FLOWS THROUGH GR AND CR. HEAT LOSS AND HEAT SOLAR RADIATION, RESPECTIVELY. GAIN ARE PRESENTED AS POSITIVE AND NEGATIVE VALUES, RESPECTIVELY.604-946-9910 AQUA-COAST.CAESP Engineered Site Products (2019) Ltd.CETCO representative for Western CanadaCETCO is the originator of bentonite waterproofing systems and active waterstops. They manufacture a complete line of quality waterproofing membranes, waterstops and drainage composites as well as a complete line of installation accessories - everything you need from the bottom of the excavation all the way up to your green roof.AQUA-COAST ENGINEERING LTD.Building Enclosure EngineeringEnergy Modelling & Sustainability inert.Roofing & Re-roofingAirtightness Testing natural.self sealing.1B-1385 Stevens Road, West Kelowna, BCV1Z 2S9Phone: 250-769-1492|www.engsite.ca20 BCBEC ELEMENTSA BCBEC PUBLICATION'