Dry Treat 40SK

Dry Treat 40SK

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Dry-Treat 40SK™ is particularly suitable for softer Natural Stone, such as sandstone, travertine and limestone, and around swimming pools, where its penetrating formula offers permanent water repellency and consolidates softer materials, protecting against water-borne salts and freeze/thaw damage. Before buying, we recommend that all customers read our Product Guide.
Product TypeSealant
Product DetailDRY-TREAT 40SK™ is an impregnating, invisible and breathable sealer that protects porous tile, natural stone, brick, terracotta, paving and grout from damage caused by water and salts, plus helps to consolidate friable surfaces. Treated indoor and outdoor surfaces become easier to clean, maintain and keep looking good for longer. DRY-TREAT 40SK™ provides lasting protection for engineering concrete, terracotta tile, cast stone, paving, sandstone, limestone, brick and grout.
Suitable forDRY-TREAT 40SK™ is suitable for a wide variety of applications, including building facades, floors, walls, swimming pool surrounds, patios, garages, kitchens and public and private entertaining areas.
Country Of OriginUSA
Application MethodLow pressure spray/direct application
Guarantee15 years when applied by approved contractor
Container TypeMetal Container with child proof cap
Application Surface Temperature5 - 35˚C
Coverage4-7m2 per litre dependant on stone type
Curing TimeWeatherproof 8-10 hours. Can be trafficked after 24 hours. Fully cured after 30 days.
Enhances colour of stoneNo
Storage & Shelf LifeKeep container tightly sealed in a cool, well ventilated place. Dispose of content / container in accordance with local regulation. Store in locked area inaccessible to children.
PPE RequirementsDo not take internally. Avoid contact with eyes and skin. Avoid inhaling vapours. No smoking, keep away from sources of ignition. Wear latex gloves, face mask, protective clothing and safety goggles during application.
Install PreparationEnsure the stone is completely clean and bone dry. Protect surrounding areas.
Equipment RequiredClean pump sprayer (recommended)/brush/lambs wool applicator, clean white dry cloth, plastic overshoes
Application ProcessTest the product suitability first in an inconspicuous area allowing 24 hours. Apply product first coat with a low pressure sprayer. Wait 10 minutes and apply second coat. Leave for a further 10 minutes then using a clean dry cloth remove any excess product before it dries. See product guide for detail.


Do not jet wash for 4 weeks after application as this could damage the sealant.

Once the stone is sealed the sealer cannot be removed and is not affected by cleaning

Please see our FAQs for more information.

Delivery Cost

£10 standard courier charge up to 25kg for up to 1 Litre sizes only up to 12 units

£35 per micro pallet charge up to 250kg per pallet for all other sizes or 1 Litre size over 12 units

£50 per pallet charge up to 1000kg per pallet for all other sizes or 1 Litre size over 12 units

Delivery Times

Choose your delivery date when checking out. Timed slots are not available.

Free* next day delivery available to certain postcodes. (*T&C's apply)


Cancel up to 14 days from the date of delivery. Products to be returned in the same condition and packaging. No returns for bespoke or pre-sealed items.

You will be responsible for returning the material to London Stone. Collection can be made by us but this will incur a collection cost.

Installation accessories