10 bestBrick Water Sealerof May 2025
112M consumers helped this year.
1
Raincheck Water Seal 5 Litre - Breathable, Colourless Waterproofer for Brick, Stone, Mortar & Concrete
SAFEGUARD
9.8
6% off
2
RONSEAL 36286 Thompsons Water Seal 5 Litre (TWSEAL5L), Clear
Thompson's Water Seal
9.6
3
Stormdry Masonry Waterproofing Cream (1 Litre) 25 Year BBA Approved Exterior Brick Sealer. Breathable, Colourless Brick, Concrete, Stone, Mortar, Sandstone & Granite Waterproofer
Stormdry
9.4
21% off
4
Everbuild 402 Water Seal – High Performance – Long Lasting Protection From Water Damage – Solvent-Free Formula – Water Repellant – 5 Litre
Everbuild
9.2
5
Raincheck Universal Waterseal - Brick, Wood, Concrete, Stone Water Seal
SAFEGUARD
8.9
6
TWSU5L 5L Thompson's One Coat Water-Seal
Ronseal
8.7
7
Ronseal TWSEAL1L Thompsons Water Seal 1 Litre
Ronseal
8.4
8
Ronseal TWSEAL25L Thompsons Water Seal 2.5 Litre
Ronseal
8.1
9
Smartseal Brick Sealer - 10 Year Protection - Brick Waterproofer & Breathable Brick Sealant. Easy To Apply, Water Resistant & Protects From Damp - Solvent Free, Premium Brick Sealer (100ml sample)
SmartSeal
7.8
12% off
10
Thompsons One Coat Water Seal 1L
Thompson's Water Seal
7.5
A Guide to Selecting the Best Brick Water Sealer
Choosing the right brick water sealer is crucial for protecting your brick surfaces from water damage, which can lead to issues like mold, mildew, and structural deterioration. The right sealer will not only protect but also enhance the appearance of your brickwork. When selecting a brick water sealer, consider the specific needs of your project, such as the type of brick, the environmental conditions, and the desired finish. Understanding the key specifications will help you make an informed decision that ensures long-lasting protection and aesthetic appeal.
Type of Sealer
Brick water sealers come in different types, primarily penetrating sealers and film-forming sealers. Penetrating sealers soak into the brick and provide protection from within, making them ideal for preserving the natural look of the brick. Film-forming sealers create a protective layer on the surface, which can enhance the color and provide a glossy finish. If you want to maintain the natural appearance of your brick, a penetrating sealer is a good choice. For a more decorative finish, consider a film-forming sealer.
Breathability
Breathability refers to the sealer's ability to allow moisture vapor to escape from the brick while preventing water from entering. This is important because bricks naturally absorb and release moisture, and trapping moisture inside can lead to damage. Sealers with high breathability are ideal for exterior brickwork exposed to varying weather conditions. If your bricks are in a damp environment, prioritize a sealer that offers good breathability to prevent moisture buildup.
Water Repellency
Water repellency is the sealer's ability to prevent water from penetrating the brick surface. This is crucial for protecting the brick from water-related damage. Sealers with high water repellency are essential for areas exposed to heavy rainfall or direct water contact. If your brickwork is in an area prone to frequent rain or water exposure, choose a sealer with excellent water-repelling properties to ensure maximum protection.
UV Resistance
UV resistance is the sealer's ability to withstand damage from ultraviolet rays, which can cause fading and deterioration over time. This is particularly important for outdoor brick surfaces that are exposed to direct sunlight. If your brickwork is in a sunny location, opt for a sealer with strong UV resistance to maintain the color and integrity of the bricks over time.
Durability
Durability refers to how long the sealer will last before needing reapplication. A durable sealer will provide long-term protection and reduce the frequency of maintenance. Consider the environmental conditions and the level of wear and tear the brick surface will experience. For high-traffic areas or harsh climates, choose a sealer known for its durability to ensure lasting protection.
Finish
The finish of a sealer can range from matte to glossy, affecting the appearance of the brick surface. A matte finish will preserve the natural look of the brick, while a glossy finish can enhance the color and provide a shiny appearance. Decide on the aesthetic you want for your brickwork. If you prefer a natural look, go for a matte finish. For a more polished appearance, a glossy finish might be more suitable.
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