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(The price is per board BUT we only sell them in packs of 5 so you must round up or down to the nearest 5 - 5, 10,15,20 - its not 5 boards for £5)25mm XPS foam insulation underfloor heating (UFH) boards for 10-15mm flexible pipe wet system underfloor heating. High compressive strength of 400 kp..

Hard Tile Backer Wall and Floor Boards Washers / Discs - (supplied without screws) - sold in bags of 50 or 100- Tile Backer Boards, cement board, hardie backer board washers, XPS Insulation Boards, and other insulations Foam to Wooden Floors or Stud Walls - manufacturers recommend 15 fixin..

(The price is per board BUT we only sell them in packs of 5 so you must round up or down to the nearest 5 - 5, 10,15,20 - its not 5 boards for £5)[MAKES UNDERFLOOR HEATING MORE EFFICIENT & SAVES MONEY]  With a U Value of 2.23 W/m2 x K, the XPS foam insulation boards are suited to ..