Protected roof Add bookmark Solution main 1 Necessary products for this solution Biflex PL SBS modified highly flexible bituminous membrane with a plain surface. weberdry prime WB Cold applied bitumen coating Geotextile white PET Nonwoven geotextile made of polyester weberep 331 TX Non shrink thixotropic repair mortar with fiber Biflex SL SBS modified highly flexible bituminous membrane with a slated surface. weber jointseal PU One component polyurethane sealant webercol floor Thick adhesive mortar