Fibre Lite is a unique, light-duty forming material and expansion joint. Time tested across the United States and Canada, this all-natural product is perfect for forming walkways, patios, pool aprons, and driveways. Fibre Lite is compatible with sealants, including polymerized sealants. The basic raw material in Fibre Lite is 100% post-consumer wastepaper (with weather- and termite-resistant additives). Fibre Lite is lightweight, splinter-free, and easy to cut or shape.