Expansion Joint – Bitumen Impregnated Fibre Board Bitumen Impregnated Fibre Board Reinforcing are a compressible bitumen-impregnated joint filler used to seal movement in joints with concrete slabs and elements. The high bitumen content allows the board to adopt the shape of expansion joints, ensuring complete sealing. The rigidity of Bitumen Impregnated Fibre Board enables it to withstand rough handling on site so it is not damaged during placing and compaction of concrete. Bitumen Impregnated Fibre Boards are available in heights from 50mm to 300mm, thicknesses of 10mm and a standard length of 2.4m. Typical Uses Used to seal movement joints in concrete slabs and elements
