How much does 5 litre cover?

I have covered about 18sq metres and have about a litre left.Coverage can be affected by surface preparation and porosity of bricks - you must give brick work a really vigorous brushing before application.

I have moss growth on my roof tiles. Will Stormdry prevent or reduce moss growth if applied to roof tiles after moss is removed?

Yes I used it on my rebuilt chimney stack and roof tiles I have a spare roof tile in my garden that I treated with Stormdry in July 2015 when I spray it with the garden hose the water just runs off it it never gets wet be sure to follow the instructions when application I have been in and out of the building trade for the past 30 years in my opinion this is the best product on the market for protection of masonry its expensive but worth every penny be careful when removing the moss from you're roof tiles if you use a high pressure hose always spray on the downwards slope the way rain runs off if you spray upwards with high pressure water will go inside the roof space hope this helps Bryan Bailey

Can this be applied to MDF wood bath panels?

This product is for hard materials like concrete, brick etc. However there is another product very similar for wood which I have used on a shed and a fence. It's called Roxil and has exactly the same appearance as Stormdry. When you brush it on it reacts to the brushing action in exactly the same way too. Once applied water will not penetrate the wood and just beads on the surface. Definitely recommend it.

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Stormdry Masonry Waterproofing Cream (3 Litre) 25 Year BBA Approved Exterior Brick Sealer. Breathable, Colourless Brick, Concrete, Stone, Mortar, Sandstone & Granite Waterproofer

Stormdry Masonry Waterproofing Cream (3 Litre) 25 Year BBA Approved Exterior Brick Sealer. Breathable, Colourless Brick, Concrete, Stone, Mortar, Sandstone & Granite Waterproofer

Product ID: 57728449

Details

Brand
Stormdry
Item dimensions L x W x H
20 x 20 x 18.5
Item weight
850 Grams
Material
Brick Stone
Style
Protection

💧Invisible waterproof barrier, single coat

🌬️Breathable, vapor-permeable formula

🛡️25-year BBA certified durability

$264.69

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Description

🧱 Seal Smart, Stay Dry, Save Energy — The Future of Masonry Protection!

BREATHABLE NATURAL FINISH - Maintains masonry’s vapor permeability to prevent trapped moisture
ENERGY SMART THERMAL SHIELD - Reduces heat loss by up to 10%, enhancing insulation efficiency
VERSATILE MULTI SURFACE USE - Perfect for brick, stone, mortar, sandstone, granite, and concrete
UNMATCHED 25 YEAR PROTECTION - BBA-approved for long-lasting masonry defense
INVISIBLE WATERPROOFING POWER - Single coat penetrates deeply, sealing bricks without altering appearance

Stormdry Masonry Waterproofing Cream is a premium, colourless, breathable sealant that provides a 25-year BBA-approved waterproof barrier for brick, stone, mortar, sandstone, granite, and concrete. Its unique cream formula penetrates deeply in a single coat, protecting walls from damp and moisture damage while enhancing thermal insulation and reducing heating costs by up to 10%. Independently tested and certified, it maintains natural masonry appearance and vapor permeability, making it the go-to solution for long-term exterior wall protection.

Specifications

ASIN	B008KMCMBK
Best Sellers Rank	2,268 in DIY & Tools ( See Top 100 in DIY & Tools ) 5 in Waterproofers
Brand	Stormdry
Colour	Clear
Compatible Material	Brick, Stone, Mortar, Granite, Sandstone, Concrete
Customer Reviews	4.5 4.5 out of 5 stars (3,169)
EU Spare Part Availability Duration	25 Years
Global Trade Identification Number	05060132760918
Item Dimensions	20 x 20 x 18.5 centimetres
Item Form	Cream
Item Type Name	Masonry Protection Cream 3L - The Only BBA & EST Certified Brick Waterproofing Product - Proven 25 Year Protection Against Penetrating Damp
Item Weight	850 Grams
Manufacturer	Safeguard Europe Ltd
Manufacturer Part Number	5.06013E+12
Material	Brick, Stone, Mortar, Sandstone, Granite
Model Number	DM-STORMDRY-3L
Number of Items	1
Number of Packs	1
Product Warranty	Product warrenty.
Style Name	Protection, Thermal
Supported Standards	BBA Approved
Surface Recommendation	Wall
Unit Count	1000.0 millilitre
Water Resistance Level	Waterproof

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