Masonry waterproofing that keeps brick, stone and mortar dry while preserving natural appearance. Peace of mind for homeowners and tradespeople who need reliable protection for cavity insulation and external walls. Is Stormdry Masonry Waterproofing Cream the long-term, BBA-backed shield your walls require?
⚡ At a Glance
- • Water Repellency: Deep penetration forms an invisible hydrophobic barrier after a single coat
- • Best for: Homeowners, landlords and tradespeople protecting external masonry and cavity insulation
- • Not ideal for: Surfaces that require a decorative coloured or film-forming finish
Cream-based formulation soaks into masonry pores to form a long-lasting repellent barrier. Independently tested and BBA approved for demonstrated performance.
Long-lasting Weather Protection - Thanks to 25-year BBA-approved formulation
Cream molecules penetrate capillaries and bond within the masonry to create a hydrophobic network that repels liquid water. Laboratory testing and BBA assessment back the claimed service life.
Durable shield reduces rain penetration and guards cavity insulation, lowering the risk of damp-related damage over many years.
Maintains Breathability and Insulation Performance - With a breathable, non-film-forming formula
Non-film-forming chemistry leaves vapour pathways open while rendering pore walls water-repellent, so vapour can escape but liquid water is shed. The formulation is specifically described as breathable.
Walls can dry naturally after rain, helping insulation retain thermal performance and reducing condensation risk.
Preserves Natural Appearance - With a colourless, fully cured finish
Non-pigmented cream cures clear and does not leave a surface film, so texture and colour remain visible once set. The description emphasises a colourless finish that maintains the wall's look.
No need to redecorate after application; brick and stone keep their original appearance while gaining moisture protection.
✨ The 4 Key Reasons for Stormdry Masonry Waterproofing Cream
- BBA Approval (Certificate 15/5198) — Backed by independent testing for 25-year performance assurance
- Single Coat Application — Saves time and labour with wide coverage per litre
- Breathable Formula — Prevents trapped moisture, keeping walls and insulation dry
- Colourless Finish — Maintains original brick and stone appearance after curing
📋 Technical Details at a Glance
- Category: Masonry waterproofing cream
- Pack size: 6 Litre
- Suitable substrates: Brick, Concrete, Stone, Mortar, Sandstone, Granite
- Protection period: 25 years
- Certification: BBA Approved (Certificate Number: 15/5198)
❓ Frequently Asked Questions
Q: Can Stormdry Masonry Waterproofing Cream be used on interior walls?
A: Product is described as an exterior brick sealer intended to protect external masonry and, by doing so, protect internal and cavity wall insulation; interior-only applications are not specified.
Q: How many coats are required for effective protection?
A: Single coat application is described as sufficient due to the cream's deep-penetrating formulation.
Q: Will the treatment change the appearance of my brick or stone?
A: A colourless, non-film-forming finish is specified, and fully cured treatment will maintain the natural appearance of the wall.
🏆 Our Verdict
Suitable for homeowners, landlords and contractors seeking long-term external masonry protection. The combination of deep penetration, breathability and a colourless, BBA-approved formulation is the key selling point. As an investment in building fabric, long-term moisture protection helps avoid costly damp repairs and preserves insulation performance over time.
