₹1,131.22 per Sqm
Rates include GST and contractor’s profit & overheads (15%), effective 01-08-2024.
Providing and fixing 50 mm thick extruded polystyrene rigid insulation board of required size underdeckon ceiling surface, complying with ISO 4898:2008 & ASTM C 578-08b - type VI, having thermalconductivity of 0.0289 W/m K as per ASTM C 578 (measured as per IS 3346), compressive strength of >351 kPa listed as per ASTM D 1621, density of 34-36 kg/cum as per ASTM D 1622, water absorptions < 1%by volume as per ASTM D 2842, oxygen index of 24.1 to 28.1 listed as per ASTM D 2863, cell size 0.4 mmof dia (max) as per ASTM D 3576. Fire retardent property as per DIN 4102, Part 1 of class B2 and as perASTM E84 class A, fixed with suitable water based adhesive and fastener, complete in all respect as perthe direction of Engineer-in-Charge.
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