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<br />Copyright 2003 AIA <br /> <br />MASTERSPEC - SHORT FORM <br /> <br />05/03 <br /> <br />1. Install insulation board in a stair-step configuration with a maximum step-down of 1 inch <br />(25 mm). <br /> <br />C. Deposit and screed lightweight insulating concrete in a continuous operation until an entire <br />panel or section of roof area is completed. Do not vibrate or work mix except for screeding or <br />floating. Place to depths and slopes indicated. <br /> <br />D. Finish top surface smooth, free of ridges and depressions, and maintain surface in condition to <br />receive subsequent roofmg system. <br /> <br />E. Begin curing operations immediately after placement, and air cure for not less than three days <br />according to manufacturer's written instructions. <br /> <br />F. If ambient temperature falls below 32 deg F (0 deg C), protect lightweight insulating concrete <br />from freezing and maintain temperature recommended by manufacturer for 72 hours after <br />placement. <br /> <br />END OF SECTION 03521 <br /> <br />LIGHTWEIGHT INSULATING CONCRETE <br /> <br />03521 - 5 <br />