Waterproof the a.b.e. way Problem areas: Roof screws, laps, ridges or flashings? BACK TO WATERPROOFING SOLUTIONS hydroproof and abe membrane – An economical water based acrylic waterproofer with abe membrane. hydroproof PRO – Acrylic waterproofer with fibre reinforced, no membrane required for gaps up to 2 mm. super laycryl – Best of both – bitumen and acrylic waterproofing solution. 4-metal DTM – On suitable metal, prime first with 4-metal DTM as specified.