Silicone Sealant For Concrete Joints

Dowsil 888 silicone joint sealant please contact dow for distribution options available for this product.

Silicone sealant for concrete joints. Please try again later or contact your customer service representative. Installing the proper kind of concrete joint sealant will help protect the structure from moisture damage caused by rain wind gravity capillary force and surface tension. Dowsil contractors concrete sealant ccs is a one part moisture cure silicone sealant that provides durable flexible watertight joint seals and offers outstanding unprimed adhesion to concrete brick and masonry. Why joints need quality sealant.

For neater joints mask sides before applying sealant and remove tape before sealant skins. Unable to complete action likely due to connectivity to dow s back end service. Each product can be used to seal new or existing concrete and asphalt joints and both are formulated for use on highway airport parking structures and bridge joints where high movement occurs. Installing expansion joints and using a high quality silicone based sealant is one important step you can take to ensure that your work will last for years to come.

Although the best theoretical shape of the sealant plug would be 1 2 depth to width ratio aci 504r 90 guide to sealing joints in concrete structures recommends that a better ratio is 3 2 since this allows the sealant to adhere better to. When first applying product extrude a small amount onto a piece of scrap material to ensure a smooth continuous flow of silicone sealant. Expansion joints allow space in which concrete can contract and expand without causing cracks. A backer rod in the joint also keeps the sealer plug thinner reducing the amount of sealant needed.

Its one component technology offers ease of use and cost effectiveness. Dsb 800 is a low modulus high performance one part non sag silicone joint sealant. For a better finish use a spatula dipped in mineral turps or detergent and water to tool off the sealant.