Silicone Sealant For Concrete Joints

Why joints need quality sealant.

Silicone sealant for concrete joints.

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

The pourthane joint sealant line is designed for sealing concrete and metal joints in a variety of applications including sidewalks balconies pavement terraces warehouses factories civil structures plazas and pitch pans. Please try again later or contact your customer service representative. Using concrete joint sealant to seal concrete expansion joints and concrete contraction joints in concrete floors and concrete walls is an important part of maintaining the integrity of the concrete. 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.

Dsb 900 sl is an ultra low modulus high performance one part self leveling silicone joint sealant. Dowsil 888 silicone joint sealant please contact dow for distribution options available for this product. 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.

Expansion joints allow space in which concrete can contract and expand without causing cracks. For neater joints mask sides before applying sealant and remove tape before sealant skins. 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.