Concrete Floor Joint Sealer

Sealer needs to be applied in dry conditions because it won t adhere to damp concrete.

Concrete floor joint sealer.

After 24 hours check the plastic. Its one component technology offers ease of use and cost effectiveness. It is also an excellent topcoat for paints and stains. To do this apply a clear piece of plastic to the floor.

We show step by step all application details that matter to get in the end the perfect joint. It is formulated to seal protect and beautify concrete and masonry surfaces with a high gloss finish. A slab will continue to shrink and widen the control joint for years although most of the shrinkage takes place within the first year and especially within the first 90 days. If there is any condensation underneath it the floor is likely too damp to seal.

Before applying check the weather. In other words when the concrete does shrink and crack the control joint is placed so that the slab will crack on a line instead of randomly across the slab. 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. A backer rod in the joint also keeps the sealer plug thinner reducing the amount of sealant needed.

If your concrete is new you ll need to let it cure wait at least one month before applying sealer. Click to add item rust oleum gloss clear concrete garage floor topcoat 1 gal to the compare list. 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. What must be taken into account when sealing floor joints.

Use a dehumidifier to remove moisture from the air. To seal concrete floors that have been exposed to moisture begin by inspecting the floor to determine how damp it is. 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. Click to add item h c clear water based masonry paver sealer joint stabilizer to the compare list.

We re focusing on wall joints in this article however the same principle can be used for construction and expansions joints in concrete floors. The temperature also needs to stay above 50 f during application and drying time up to three days. 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.