10 Best Brick Sealer Exterior for 2025

SIKA

• Quick Curing Time: Rapid, easy to use water seal that drives within 1 hour
• Dries Clear: Using a solvent free formula, 402 dries clear and will not stain the substrate
• Multi-Substrate: Suitable for use on most common substrates including brick, stone, concrete, pebbledash, rendering and much more
• Anti-Mould Formula: Repels waterborne dirt and resists fungal growth on substrates
• High Strength: Using the latest technology in silicone resin, waterseal form an utmost high strength and high performing water repellent that protects against damaged caused from mould and weather

Thompsons

• The Ronseal Thompson's One Coat Water Seal protects against water damage in one coat
• The silicone micro emulsion effectively penetrates below the surface of porous materials carrying waterproofing resins deep into the pores of the substrate
• Easy to use

SIKA

• Dries clear: Using a solvent free formula, Geo-Fix Stone Protector dries clear and will not stain or alter the colour of the substrate
• Utmost protection: Using enhanced Fluor-Resin formula, it provides an improved shield protecting from liquid stains such as oil, petrol, water and much more
• Prevents future damage: Prevents destruction on the substrate from water penetration and erosion
• Drying time: 5–7 hours depending on the weather condition
• Release coat for chewing gum: Provides better release coat, making the removal of chewing gum from substrates much easier
• Internal and external use: Can be used on both interior and exterior substrates such as floor tiles, slates, marble, block paving and much more
• Maintains substrate appearance: Does not affect or alter the substrates colour or appearance once applied
• Available in 1 Litre and 5 Litre

SIKA

• Top performing formulation: Distinct blend of fine polymer emulsion to deeply penetrate badly weathered surfaces
• High quality surface treatment: Provide better surface overlay on badly weathered surfaces prior to decorating and tiling
• Better sealing and bonding properties: Hold strong sealing and bonding properties suitable for use on chalky and dusty surfaces
• Internal and external use: Appropriate for surfaces in both interior and exterior environments
• Binds most common substrates: Suitable for use over plaster, rendering, pebbledash, stucco, existing painted surfaces, brickwork, blockwork etc.

Truly PVC Supplies

• Protects against damage caused by rain and frost
• Does not change the appearance of the building
• Conforms to BS6477
• Breathable formulation
• For external use only

Stormdry

• PREMIUM High-Strength Wall Waterproofing for Brick, Stone, Mortar, Cement, Concrete, Sandstone and Granite.
• 25 YEAR PROTECTION Stormdry’s cream-based formulation allows it to Penetrate Deeply forming an invisible Water Repellent barrier in a Single Coat Application
• BREATHABLE Allows masonry to breathe and dry naturally. Easy to Apply Penetrating Damp Treatment that maintains thermal properties of cavity wall insulation
• COLOURLESS brick sealer. Fully cured Stormdry brick damp seal will maintain natural appearance of the wall
• INDEPENDENTLY APPROVED, TESTED & VERIFIED: ✔️ BBA Approved (Certificate Number: 15/5198); ✔️ Verified by the Energy Savings Trust as an energy saving method; ✔️ Tested by University of Portsmouth

Thompsons

• Apply directly to damp surfaces
• Stops freeze thaw damage
• Use on brick, concrete and stone
• Reduces efflorescence
• Dries in 2 hours

SAFEGUARD

• BRICK, WOOD, CONCRETE & STONE Waterproofing
• Rapid Curing, Breathable, Colourless Water Seal
• Long-Lasting up to 10 Years Protection
• High Strength Formulation - 5% Active Ingredient
• Even Penetration - No Wet Spots; Bridges hairline cracks

RONSEAL

• Brand :- RONSEAL
• Product Code : 36286
• Manufacturer Code :- RSLTWSEAL5L
• Size : 5 Litre
• Qty. In Pack : 5 Litre

Floorseal Premium Surface Sealers & Cleaners

• An Effective Water Based Interior Brick & Stone Wall Sealer & Dustproofer.
• Low Odour, Water Based Producing a Breathable Matt Finish.
• Delicately Enhances Natural Earthy Colours To Brick & Stone.
• Non-flammable, Easy To Apply With A Pump Up Sprayer, Roller Or Brush.
• Available In 5 litres & Highly Economical 20 Litre Deals.