Waterproofing Walls Exterior

Masonry surfaces, such as exterior walls, are among the largest surface areas that are subjected to the elements, including precipitation, dust, ultraviolet rays, and fungal growth. It is typical practice to achieve watertightness of external walls by providing sufficient wall thickness, waterproofing, appropriate design of construction joints, surface rendering and finishes, all of which act as a barrier against water ingress.

What are the conditions that lead to damp on exterior walls?

The following are common contributors to penetrating damp: leaking walls, air gaps, burst gutters and pipes, porous bricks, problems with cavity wall insulation, and/or inadequate cavity wall insulation. It is possible that the issue is caused by a malfunction in the plumbing, such as an improperly installed washing machine.

What is the most effective water-resistant primer to use on exterior cement concrete?

Primers that are intended for use outdoors should have certain characteristics, including the ability to penetrate the surface they are applied to, resistance to alkaline, water, and surface roughness that allows paints to adhere to them.

Should the exterior walls be sealed with waterproofing material?

If the exterior walls of your home are not waterproofed, you run the risk of experiencing damage caused by the intrusion of moisture. Damp walls are excellent breeding grounds for mildew and mold, which can damage the home and lead to health problems for the occupants of the home. However, such damage can be avoided by properly waterproofing the exterior walls of a home, which prevents mildew and mold from being able to grow on damp walls.

How exactly does one go about drying out an exterior wall?

Find and fix any water leaks that are near your walls. Remove any water that is standing in the walls. Repair any damaged areas of the wall so that there are no long-term problems. Dry small damp spots with a room fan. Buy a dehumidifier for large damp patches. Use desiccants to absorb moisture.

Can brick exterior walls be treated to make them waterproof?

You can build a brick wall using class A engineering bricks and the correct mix of mortar, but the wall is not going to be completely waterproof unless you coat it in a waterproof coating or use a tanking system. Even then, the wall will not be completely waterproof.