Exterior masonry waterproofing that creates a deep, breathable barrier to keep brick and stone dry while protecting cavity insulation. Stormdry Masonry Waterproofing Cream suits homeowners and tradespeople who need a discreet, long-term defence against rain and damp. Will it deliver reliable protection for older and weathered walls?
⚡ At a Glance
- • Protection Performance: Deep-penetrating, single-coat water repellent barrier with 25 year BBA-backed protection
- • Best for: Homeowners, contractors and builders needing durable protection for exterior brick, stone and mortar
- • Not ideal for: Surfaces that require a coloured or decorative finish rather than a clear sealer
Cream formulation penetrates masonry to form an invisible, breathable water repellent barrier in a single coat. BBA-approved for 25 year protection and independently tested by the University of Portsmouth.
Long-term damp defence - with 25-year BBA-approved formulation
Cream penetrates deeply into the pores of brick, stone and mortar, forming an invisible repellent barrier from a single coat application. BBA approval confirms the formulation meets independent durability and performance standards.
Keeps walls dry for years, helping to protect internal and cavity wall insulation from rain and moisture damage.
Breathable walls, less trapped moisture - with a breathable cream formulation
Formulation allows water vapour to pass through masonry while repelling liquid water, maintaining natural drying cycles of walls. Breathability preserves thermal performance of cavity insulation by avoiding trapped moisture.
Reduces the risk of condensation and ongoing damp problems by allowing walls to dry naturally.
Colourless finish that preserves appearance - with a fully cured clear seal
Once fully cured, the treatment remains invisible on treated surfaces rather than forming a coloured film or coating. Colourless performance suits a range of masonry types including sandstone and granite.
Maintains the natural look of façades while delivering protection, suitable for conservation-sensitive or visually important walls.
✨ The 4 Key Reasons for Stormdry Masonry Waterproofing Cream
- BBA Approval - Demonstrates independently certified long-term protection backed by testing
- Breathable Formula - Allows moisture escape, reducing trapped damp and condensation
- Colourless Finish - Preserves the natural appearance of walls after full curing
- Single-Coat Application - Cuts labour time, simplifies treatment for large façades
📋 Technical Details at a Glance
- Category: Masonry waterproofing cream
- Capacity: 1 litre
- Formulation: Cream-based penetrating treatment
- Protection Duration: 25 year BBA-backed protection
- Suitable Surfaces: Brick, concrete, stone, mortar, sandstone, granite
❓ Frequently Asked Questions
Q: Is Stormdry Masonry Waterproofing Cream suitable for all exterior masonry?
A: Yes, it is suitable for brick, concrete, stone, mortar, sandstone and granite as stated in the product information.
Q: How long does the protection last after application?
A: Protection is specified as 25 years, supported by BBA approval and independent testing.
Q: Will the treatment change the colour or appearance of my walls?
A: No, the treatment cures to a colourless finish that preserves the natural appearance of the wall.
🏆 Our Verdict
Suitable for homeowners, builders and conservation projects that need long-term, breathable waterproofing for exterior masonry. The key selling point is a cream-based, single-coat penetration backed by 25-year BBA approval and independent testing. Long-term value is strong thanks to durable protection that helps preserve insulation and wall appearance over decades.
