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Owner of data set Unilin |
Technical purpose This EPD is for the (Polyisocyanurate) PIR insulation boards: CT/PIR, FR/ALU, FR/BGM, FR/MG, Thin-R, of thickness 100mm, the R values quoted are minimum values and the EPD is calculated on this basis. The PIR board typically comprise of primary raw materials MDI, polyol, flame retardant, pentane, with the addition of minor amounts of admixtures. Depending on intended use, the board facing elements comprise various combinations of the following materials: paper, foil, hard plastic, mineral glass, bitumen fibre. The primary raw materials are mixed with various catalysts & additives and placed between two layers of facing elements. The insulation products are manufactured in accordance with BS EN 13165:2012+A2:2016 Thermal insulation products for buildings.
These insulation products are used in cavity walls, steel and timber-frame walls, soffit, floor, pitched and flat roof insulation applications. The main raw materials are mixed with various catalysts and additives before being metered onto a moving conveyor. The chemical mix then starts to rise, due to the effects of the blowing agent, to produce the foam. The foam continues to rise until it contacts the top layer of facer material as it enters the oven, where it is then cured under heat to produce the rigid, thermoset foam board. The board exits the lamination oven and then reaches a cross-cut saw which cuts the board into smaller mother-boards. Each mother-board then is transported to a separate area to cure. There is a minor amount of additional cutting to produce speciality boards such as rebated or tongue & groove edges. Finished boards are stored in the warehouse before despatch to customers. Off cuts from the cutting and trimming are compressed on-site and sent to landfill. |
