BBA Approved

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Stormdry Masonry Protection Cream

Stormdry

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BBA Certificate 5198

Effective on a range of substrates

Enhancing water resistance and energy performance

Stormdry is a deeply penetrating water-repellent cream for the protection of masonry. It prevents rain penetration into masonry materials by lining their pores rather than blocking them – allowing the masonry to continue to breathe naturally. Unlike waterproof paints or waterproof coatings, Stormdry retains the natural finish of the masonry so is particularly suited for application to brickwork or stonework.

Maintain the Natural Appearance of Your Walls

Breathable, Colourless Protection

Stormdry masonry protection cream is applied to masonry in a single coat by means of brush, roller, or spray. Once applied, it penetrates deeply into the masonry before curing to form a colourless, breathable water repellent barrier.

25-Year Durability

Approved by the British Board of Agrément (BBA) Certificate Number 15/5198

Stormdry is the only colourless masonry water repellent treatment that carries BBA approval. After extensive testing to determine continued water-repellency after aggressive freeze-thaw and UV exposure, the BBA issued a certificate with the following durability statement:

the product will remain effective as a masonry water repellent for 25 years.

Reduce Energy Bills by up to 29%

Keeps walls dry & warm

By creating a deep water-repellent zone on the masonry surface, Stormdry ensures that the masonry remains dry throughout the year. This maximises its thermal resistance, as dry walls are better insulators than wet walls. Testwork conducted by the University of Portsmouth using Stormdry suggests that energy saving of up to 29% are possible when Stormdry is applied to buildings of solid wall construction.

Supercharge Your Flood Protection

Stormdry forms part of a flood protection system

Stormdry can be used to increase the flood resistance of masonry as part of a flood resilience system. When used in conjunction with a cavity drain flood protection system (e.g. Oldroyd), the use of Stormdry will reduce the amount of flood water that is able to pass through the masonry reducing the risk of floodwater overwhelming the pumping system.

Prevent Damp Caused by Insulation

Prevents water from being absorbed into insulation

Applying Stormdry to the outer leaf will increase the walls water resistance, preventing any further water from being absorbed into the insulation whilst also letting any existing moisture evaporate away.

Brick Fletton
Brick Fletton
Brick West Hoathley
Brick West Hoathley
Mortar
Mortar
Sandstone Blaxter
Sandstone Blaxter
Sandstone York
Sandstone York
Sandstone Sheffield
Sandstone Sheffield
Concrete Paving
Concrete Paving

Effective on a range of substrates

Enhancing water resistance and energy performance

Stormdry has been tested to EN ISO15148:2002 (E), demonstrating its effectiveness on concrete, mortar, brick, and sandstone.