Fosroc Supercast Rearguard is a PVC waterstop incorporating a flat top centre box which allows movement to be accommodated in expansion joints. The centre box also provides a seating to support joint fillers.
Can also be used in contraction and construction joints. Incorporates a nailing flange with a reinforced edge to provide a secure fixing that will resist tearing.
Available in 150, 200 and 250mm thicknesses.