Masonry Waterproofing (3L) Bba Approved Exterior Brick, Stone, Concrete, Stone, Mortar, Sandstone Sealer Clear

Stormdry Masonry Protection Cream is a BBA-certified silicone cream that penetrates deep into masonry to provide long-lasting water repellency. Applied in a single coat, it helps improve energy efficiency by reducing heat loss through damp walls. Once cured, it forms a breathable, colourless finish that lasts for over 25 years.Stormdry is designed for porous substrates including clay brick, mortar, sandstone & concrete blocks. It penetrates up to 12 mm into Fletton brick, creating a barrier that resists rain penetration while allowing moisture vapour to escape.Apply by brush, roller or airless spray to dry, unsealed masonry. A litre covers up to 5 m² depending on porosity. Avoid application in wet conditions or when temperatures are forecast to drop below 5 °C. Surfaces must be clean & biological growth removed beforehand. Compatible cracks up to 0.3 mm will self-seal under treatment. Larger defects should be filled & left to cure before use.Stormdry Cream appears white at first, fading as it absorbs. Surfaces are shower-resistant after 24 hours, though full beading may take up to 2 months.Can be applied before cavity wall insulation to protect against future damp. Not suitable for use below DPC level. Features: PREMIUM High-Strength Wall Waterproofing for Brick, Stone, Mortar, Sandstone and Granite.Keeps walls dry to keep walls warm. Protect Internal and Cavity Wall Insulation from rain and moisture damage 25 YEAR PROTECTION Stormdrys cream-based formulation allows it to Penetrate Deeply forming an invisible Water Repellent barrier in a Single Coat Application BREATHABLE Allows masonry to breathe and dry naturally. Easy to Apply Penetrating Damp Treatment that maintains thermal properties of cavity wall insulation COLOURLESS brick sealer. Fully cured Stormdry brick damp seal will maintain natural appearance of the wall INDEPENDENTLY APPROVED, TESTED & VERIFIED: BBA Approved (Certificate Number: 15/5198); Tested by University of Portsmouth Specifications: Dimensions: H:18.9 x W:21 x D:21 cm Weight: 3.2 kg Colour: Clear Model Number: 5060132760918