CRESBOARD BI is an economical, semi-rigid, bitumen impregnated board, designed as a joint filler material particularly for expansion joints in concrete that also provides support and accurate depth measurement for subsequent joint sealant materials. Specially designed for combo roof systems.
• Easy to install.
• Multi-purpose bituminized softboard made from natural wood fibres for roof, wall and floor in concrete and timber constructions.
•Excellent recovery after 50% compression.
• Good thermal insulation properties.