Also known as SBR rubber. Excellent tensile strength, abrasion resistant, and high tear properties. Ideal for joists, under floorboards, sound deadening purposes, and draught proofing. Please note: Size guide image relates to standard sizes only. Brand sizes may vary. Please note: Group images are not representative of quantity sold. Pack quantity is listed above. Dispatch: This product is usually dispatched within 3 working days. Delivery: Delivery is usually completed in 3-5 working days within the UK mainland.