Asphalt based tar is often used to damproof basement walls.
Spraying tar concrete interior walls.
External wall surfaces are exposed to constant attack from the weather the environment pests and chemicals.
Why exterior waterproofing does not last.
Tar is painted on the walls to keep water vapor from moving in and out of the walls.
It offers a wide variety of finishes from a simple knock down to a sophisticated faux venetian plaster.
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.
Using a paint sprayer.
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.
However asphalt based tar isn t a true waterproofing material.
The tiny paint droplets produced by spraying do not connect with each other as well as rolled on paint.
Though durable and easy to manipulate concrete is not resistant to water.
If you have ever noticed the black compound on the exterior of a concrete foundation you know the ubiquity of this tar based material.
The porous material can allow water to pass through rather easily if not properly protected.
Applying tar to your basement walls provides a damproof coating instead of waterproofing.
Wallspray concrete wall overlay may be applied by compressed air spray equipment and by trowel.
Internally walls withstand continual impact and abrasion.