Level Expansion Joint

One layer Neodyl expansion joint membrane heat fused over Derbigum SP4 on bitumen primed expansion joint. Expansion joint to be pre filled with polyurethane jointing compound followed by a suitable diameter Polycord forming a raised bump above the expansion joint. One layer of Derbigum SP4 heat fused over the Neodyl to finish. A metal capping can be detailed above the Derbigum SP4 to architects specification according to the final trafficable use over the joint. Waterproofing to be installed by an Approved Derbigum Contractor.