10 Best No Nonsense Stone & Tile Sealer 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

Unibond

• Anti mould sealant – Once dry, the UniBond sealant forms a permanently flexible, mould resistant & waterproof sealant, ensuring strong seals and preventing mould growth.
• Specially formulated – The formula of this shower sealant is ideal for warm and humid environments such as bathrooms, kitchens and other tiled areas or surfaces.
• High adhesion – Create a perfect and long-lasting seal with this durable, high-strength kitchen sealant. Ensure a mould free finish with regular cleaning of the sealant.
• Easy-to-use – Complete your jobs quickly: after applying with a gun, the white kitchen silicone seal is 'touch dry' within just 20 minutes and fully dry within 24 hours.
• Practical Delivery – UniBond Anti-Mould White, sanitary sealant for kitchens & bathrooms preventing mould growth, silicone acetoxy formula, white, 1 x 274g Cartridge

SIKA

• Solvent free formulation – non-flammable, low odour
• Improves appearance of paths/stone
• Also acts as a dustproofer and facilitates easier cleaning
• Dramatically improves water and mark resistance - High degree of water repellency in dried film
• Contains a fungicide – prevents unsightly growth in the film

Stormdry

• PREMIUM High-Strength Wall Water Seal 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

Sika

• Solvent free formulation - non-flammable, low odour
• Improves appearance of dull paths/stone
• Improves water and mar resistance
• Contains a powerful fungicide - prevents unsightly mould growth
• Do not apply below 5 degrees Celsius
• 405 Path & Patio Seal
• Size: 5LTR
• Brand: Everbuild

LTP

• EASY TO APPLY QUICK DRYING SPRAY-ON FORMULA; LONG LASTING PROTECTION AGANIST WATER,DIRT,GREASE,MOULD AND LIMESCALE
• SUITABLE FOR BOTH WALL AND FLOOR GROUT AND NATURAL STONE BORDERS ; OVERSPRAY DRIES INVISIBLE

Smartseal

• One coat application; Expected lifespan of 10 years
• 1 x 25 litre will treat up to 125 m² on concrete roof tiles & 200-250 m² on clay & slate roof tiles
• Highly resistant to water, staining and organic growth
• Application by sprayer or brush
• Touch dry in 2 - 3 hours; Fully water-resistant in 24 hours

SIKA

• Quick curing time: Rapid two-in-one, easy to use, high grab adhesive and sealant that is skin time' 70 minutes, curing ~3 mm per 24hours
• Instant high grab adhesive: High strength adhesion and non-slip properties that bonds to most common building substrates including brick, metals, concrete etc.
• Permanent elastic seal: Long-lasting flexible and elastic seal suitable for filling and sealing internal and external cracks
• Exterior and interior uses: Ideal for bonding mirrors to most common surfaces, sealing vertical expansion joints, jointing cladding panels and much more
• Available in grey, brown, black, white and beige

SRP

• Forms a clear, colourless barrier.
• Helps protect wall and floor porous grout joints.
• Protects from penetration by water, dirt, oil, grease and limescale.
• Easy to use aerosol, suitable for interior or exterior use.
• Quick drying, does not leave hard-to-remove residue.

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