12 psi

Foamular Fanfold DWB

Fanfold DWB Damproofing Waterproofing Board is an extruded polystyrene foam layer sandwiched between two tough, non-perforated, impact resistant plastic facers.

Fanfold DWB is used to protect and cushion the basement wall membrane during backfilling. The product can be used in both residential and commercial below grade applications.

Thickness Width / Length Edge Type
¼" 4' x 50' (Folded in 2' increments) Square

Other sizes/edge configurations may be available with minimum order.

We recommend FOAMULAR® Fanfold DWB for the following applications:

Product Overview