Flooring Polystyrene Insulation Sheets. Many uses, new build, extension, conservatory, shed, garage, garden/out buildings:

30 pieces in Stock

1000mm x 1000mm x 150mm (30 pieces) @ £2 each

1000mm x 800mm x 150mm (18 pieces) @ £2.50

1000mm x 1000mm x 150mm (14 pieces) @ £3.50 each


Density - A 140mm sheet weighs at least 1.65 kg. According to my calculations the Density is approx 11kg per cubic metre.

I have used these type of sheets under my lounge floor.

I do not infer any guarantees of qualities or specification of these sheets although I have used exact sheets to insulate my lounge floor.