10 Best Slate Patio Cleaner And Sealer for 2025

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

• Fast acting
• No need for washing or scrubbing after application
• Powerful fast acting formula
• HSE 9780 (super concentrate) HSE 9625 (concentrate) allowing sale in UK
• PCS Number 97716 (super concentrate) 97715 (concentrate) allowing sale in Ireland

HG

• A coating gloss that protects against the penetration of dirt, grease stains and wear
• This special coat protector also protects the stone floor against scratches
• For all types of natural stone and ceramic floor tiles, flagstones and slate
• This gloss protector gives a satin finish and is extremely simple to apply
• Also enhances the colour and structure of the stone floor and gives an anti-slip effect

Patio Magic!

• Patio Magic! Liquid Concentrate Mould, Algae and Moss Killer can be used on hard surfaces indoor and outdoor, and can be used as a pre-paint fungicidal wash
• Patio Magic kills green mould in 2-4 days, and gently cleans the exposed surfaces in the weeks to come
• This biodegradable cleaner is suitable to treat your patios, fencing, driveways and all round hard surfaces
• Works in a few days, lasts months
• Size: 2.5 liters

HG

• Floor tile cleaner
• Extremely powerful
• An extreme power stone tile cleaner for the removal of grease, dirt and stubborn staining
• Also for the removal of polish protection films, wax and other protection layers
• Works on flagstone and all natural stone types, such as: travertine, solnhofen limestone, granite and terrazzo

Ronseal

• Thompson's Patio & Block Paving Seal offers advanced protection for paving
• It seals and protects against dirt and chemicals and resists penetration of oils and fuels
• Contains effective biocide to resist moss and algal growth

Tile Rite

• Maximum protection against oil & water based stains
• Hard wearing gloss finish
• Interior & exterior use
• UV resistant will not yellow
• Coverage up to 15m2 Per Litre

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

HG

• A stone colour intensifier for all natural stone types including granite, hard stone and blue stone
• Unique composition impregnates, nourishes and protects stone against dirt and staining by water or other liquids
• Dark natural-stone types easily look matt, dull and grey; this product brings them back to life
• Does not harm the natural breathing process of the stone and does not make the floor slippery
• Also a natural stone patio sealer which enhances the colour of the stone

Smartseal

• Powerful and effective patio cleaner
• Remove black spot from block paving, concrete or natural stone
• With four powerful active ingredients, including a biocide to inhibit future growth
• Cleans patio often avoiding the need for pressure washing
• 5 litres of product will clean and treat approximately 40 m²