Dowsil™ 813 C construction and concrete silicone sealant is a one-component neutral curing silicone sealant with low modulus which is particularly good for indoor and outdoor applications. It is especially suitable for external weatherproofing, expansion joints and boundary joints on buildings and other structures. It provides a durable adhesion to a wide variety of porous and non-porous surfaces including concrete, masonry, brick, PVC-U, wood, glass and glazed surfaces and some common construction metals without the risk of corrosion from the sealant.
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