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Mohamed Azad -QS (*******@*****.com)Redco Construction AlmanaDoha, QatarProject: Dohaland Phase 1C (Qatar Musheireb Properties)Subject: RFQ- For insulation Polyisocyanurate Qty: 17981 m2Details: D. Polyisocyanurate Board Insulation at Parking Structure Conditioned Spaces Type CL07: Closed cell polyisocyanurate foam board with glass fiber reinforced core, to ASTM C1289, Type I, Class 2; meeting the following criteria:1. Thermal Resistance (ASTM C1363 at 75rdm;F): R-6.5 per 25.4 mm of thickness (RSI 1.14 per 25 mm of thickness).2. Density (ASTM D1622): Nominal 2.0 pcf.3. Compressive Strength (ASTM D1621): Minimum 25 psi.4. Board Sizes: 1,220-mm wide, 3,660-mm long.5. Board Thickness: 75 mm or as indicated on Drawings.6. Board Edges: Square or as indicated on Drawings.7. Faces: 0.032-mm thick white embossed aluminum facer one side, and a 0.032-mm thick plain embossed aluminum facer on the other side.8. Foam Surface Burning Characteristics (ASTM E84): Flame spread °¤ 25, smoke developed °¤ 450. Approved for exposed installation in habitable spaces.9. Water Vapor Transmission (ASTM E96): Less than 0.03 perms.10. Water Absorption by Volume (ASTM C209): Maximum 0.3%.
