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Arbosil XL1099 is a Non-Staining one part Low Modulus Neutral Cure Silicone Sealant which cures on exposure to moisture vapour to form an elastic silicone rubber. Specifically designed for use against Marble, Granite, Pre Cast Concrete and other sensitive natural or manmade substrates where other sealants may cause staining.

Also recommended for perimeter sealing on curtain walling and perimeter sealing of polyester powder coated and UpvcU frames when the abutting substrate is a natural stone.