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B&Q£142.40Visit shop B&Q - Masonry Waterproofing Cream 5L + Repointing Additive IExterior BrickStoneConcrete Waterproofing Sealer Bundle
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This bundle is for homeowners and builders looking to protect masonry walls from penetrating damp and improve energy efficiency. The key benefit is a long-lasting, breathable water-repellent barrier that preserves the appearance of walls. A caveat is that the repointing additive requires careful dilution and application as part of the mortar mix. The bundle combines Stormdry Masonry Protection Cream for surface treatment with Stormdry Repointing Additive No. 1 to enhance mortar joints, offering a comprehensive system for wall protection and repair.
| Colour | Cream |
|---|---|
| Model Part Number | AM-SD5 REPOINT1 |
| Brand | Stormdry |
Stormdry Cream is BBA-certified to provide 25 years of protection from a single coat when applied correctly to suitable masonry.
No, Stormdry is designed for bare, unpainted masonry. Applying over existing paint or coatings will prevent proper penetration and adhesion.
The Repointing Additive No. 1 must be diluted with clean water at a ratio of 1 part additive to 9 parts water before being used as the gauging liquid for your mortar mix.
When dry, Stormdry Masonry Protection Cream is colorless and does not change the natural appearance of the masonry.
Yes, the breathable nature of Stormdry Cream and the water-repellent yet permeable qualities of the Repointing Additive make them suitable for historic restoration projects where preserving the masonry's ability to breathe is important.
Avoid applying Stormdry Cream in freezing temperatures or when frost is expected. Ideal application temperatures are between 5°C and 25°C. Ensure the masonry is dry.
No, Stormdry protects against penetrating damp from external sources like rain. It does not address rising damp, which requires a different treatment method.
Ensure the surface is clean and dry before application. Apply in moderate temperatures and avoid application during heavy rain or frost. Use a suitable applicator for even spread.
Verify the dilution ratio of the Repointing Additive (1:9 with water). Ensure consistent mixing of the mortar components and adjust sand/cement ratios if necessary, within standard mortar practices.
This can sometimes occur if salts within the masonry are drawn to the surface by the application process. It is usually cosmetic and can be brushed off once dry. If persistent, ensure masonry is adequately dry before treatment.
This can occasionally happen on certain types of masonry. A second, light coat of Stormdry Cream may help to even out the appearance, but always test in an inconspicuous area first.
Preparation: Ensure masonry surfaces are clean, dry, and free from loose debris, render, or paint. For repointing, remove old, degraded mortar to a depth of at least 12mm.
Application of Repointing Additive: Dilute Stormdry Repointing Additive No. 1 with clean water at a ratio of 1 part additive to 9 parts water. Use this diluted mixture as the gauging liquid for your chosen lime:sand or cement:sand mortar mix. Mix thoroughly according to mortar manufacturer guidelines.
Application of Stormdry Cream: Apply Stormdry Masonry Protection Cream using a brush, roller, or low-pressure spray. A single coat is typically sufficient. Ensure even coverage.
Compatibility:
Care: Once applied and cured, Stormdry requires minimal maintenance. Periodically inspect treated areas for any signs of significant damage or wear, though the protective qualities are long-lasting. Keep application tools clean after use.
