Underfloor Heating Wet

- Order securely online 24/7 Please note pack sizes are listed for concrete screeded floors only. To calculate the correct pack size for timber suspended floors multiply your floor area by 1.25. e.g. project size 50sqm timber suspended floor take 50 x 1.25 = 62sqm pack, i.e. use Pack4004. Pipe spacing centre to centre 250mm for concrete floors and 200mm for timber suspended floors. It is recommended that a 50mm multi purpose polyurethane insulation board is used with these systems product code 9875.