Spraying Tar Concrete Interior Walls

Why exterior waterproofing does not last.
Spraying tar concrete interior walls. Internally walls withstand continual impact and abrasion. Using a paint sprayer. Professional painters have a clever technique that combines the best of spraying and rolling. Though durable and easy to manipulate concrete is not resistant to water.
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. The porous material can allow water to pass through rather easily if not properly protected. If you have ever noticed the black compound on the exterior of a concrete foundation you know the ubiquity of this tar based material. Tar is painted on the walls to keep water vapor from moving in and out of the walls.
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. Wall spray is a concrete wall spray overlay that is a cement based overlay designed for both interior and exterior vertical surfaces. Wallspray concrete wall overlay may be applied by compressed air spray equipment and by trowel. The tiny paint droplets produced by spraying do not connect with each other as well as rolled on paint.
It offers a wide variety of finishes from a simple knock down to a sophisticated faux venetian plaster. 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.