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£144.00
Neutral Cure Elastic Silicone Sealant – Carton of 12 x 310ml.
Ardex ST Silicone Sealant – 310ml x 12 . Ardex ST is a neutral cure elastic silicone sealant that minimises the risk of discolouration in porous materials, making it suitable for use with most finishes including moisture sensitive natural stones. After curing, Ardex ST is resistant to commonly used cleaners, disinfectants and UV exposure, and its antifungal properties inhibit the growth of fungi and moulds. It is easy to apply and smooth and, due to its high elasticity, it can accommodate movement of up to 20% of the applied width. It is available in Transparent and 13 colours designed to match the most popular Ardex-Flex Flexible Tile Grout colours.
Ardex ST can be used for the sealing of movement, corner and connecting joints in internal and external locations including bathrooms, showers and living areas. It is suitable for use with most surface finishes including natural stones, and has excellent adhesion to glazed and unglazed tiles, enamel, glass, acrylic, anodised aluminium, plastics, laminated kitchen work boards, solvent free acrylic varnished surfaces and wood.
NOTE: Apply Ardex cautiously on natural stone, avoiding getting any silicone onto the tile surface. If this should happen, remove immediately and do not use detergents. Fresh spills can be removed with a thinner. After curing, it is only possible to remove the sealant by mechanical means if applied to a suitable substrate. Due to the variable nature of some natural stone and absorbent surfaces, we recommend that a test application is carried out before commencing work, or contact ARDEX Technical Services for further advice.
Ardex ST is waterproof and prevents water penetrating through the silicone joint. Where moisture sensitive backgrounds in wet areas are being tiled, Ardex WPC Waterproof Coating should be used to prevent moisture ingress through tile grout joints.
Ardex ST is not suitable for use in permanently submerged locations such as swimming pools.
Ardex ST should not be used on the following substrates: bitumen and bituminous materials, butyl, EPDM, rubber, polyethylene, neoprene, tar and Teflon. Ardex ST does not adhere to polyethylene and Teflon. On the other substrates discoloration may occur. The surface of natural stones and open porous tiles should be protected with masking tape to prevent the sealant entering pores in the surface which could lead to discolouration.
Ardex ST is suitable for corner and edge joints on floors, however it is not suitable for floors with high mechanical loads.
Not quite what you’re looking for? Browse more of our Ardex range.
Want to see how Ardex ST and other Ardex products have been used? View a range of Ardex Projects.
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