Spraying Tar Concrete Interior Walls

However asphalt based tar isn t a true waterproofing material.

Spraying tar concrete interior walls.

Asphalt based tar is often used to damproof basement walls. Paint is sprayed on the wall then is quickly rolled down fusing the droplets together. If you have ever noticed the black compound on the exterior of a concrete foundation you know the ubiquity of this tar based material. Wall spray is a concrete wall spray overlay that is a cement based overlay designed for both interior and exterior vertical surfaces.

Though durable and easy to manipulate concrete is not resistant to water. Applying tar to your basement walls provides a damproof coating instead of waterproofing. Tar waterproofing is brittle tar waterproofing membranes has no give and cracks eventually develop as the concrete constantly contracts and expands and the house settles similarly tar paper or pargeting a layer of mortar on block walls are inelastic and crack. The tiny paint droplets produced by spraying do not connect with each other as well as rolled on paint.

Why exterior waterproofing does not last. Internally walls withstand continual impact and abrasion. The porous material can allow water to pass through rather easily if not properly protected. Using a paint sprayer.

Wallspray concrete wall overlay may be applied by compressed air spray equipment and by trowel. We make a wide range of waterproof wall coating products which can repair and protect almost any type of wall surface from concrete to decorative. Professional painters have a clever technique that combines the best of spraying and rolling.