ARDEX Shelterseal WPM 3000X H: 20m, W: 1m, D: 1.5mm Black SKU: 348248 MODEL: 10543 Error. try again later You've successfully joined the club $ 475 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants A self-adhesive bituminous damp proofing membrane with high dimensional stability (UV, temp, chemical, elongation etc) making it excellently suited to below-ground stresses. Features and benefits Peel and stick. Highly stable. 20 metre rolls. Perfect for structural damp proofing.