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| Rothesay Academy The roofing system was designed by Importer Roof Ltd. in consultation with Argyll & Bute District Councils Architects Department, Argyll House Alexandra Parade Dunoon. SPECIFICATION Primer Apply one coat IMPER primer to total roof areas, upstands and copes. Vapour control Layer Torch bond one layer IMPER Paralon 77 3mm. vapour control layer to primed asphalt. Insulation "U" value 0.45. 55mm. IMPER TORCHTHANE 40/15 PUR/Perlite factory laminate bonded to Vapour control layer IMPER PU Adhesive. Underlayer Torch bond one layer IMPER Paralon ARD/HS PLUS Mineral Surface Cap Sheet to underlay. (100mm. side laps, 150mm, end laps). Cap Sheet Torch bond layer IMPER Paralon ARD/HS PLUS Mineral Surface Cap Sheet to underlay. (100mm. side laps, 150mm. ends laps). The above roofing contract was carried out by IMPER approved roofing company and is supported by a 20 year Guarantee on materials and workmanship.
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