Waterproofing Exterior Walls

Waterproofing concrete block can be done on the exterior or in the interior.

Waterproofing exterior walls.

A heavy coat of the membrane an asphalt modified polyurethane material can be troweled or sprayed on to seal the foundation wall against water from the outside. Luckily there is a possible way to keep these things from happening and that is waterproofing. By following the next seven steps to waterproofing exterior walls. Exterior waterproofing is a highly effective waterproofing method and can be completed on basements with both poured concrete or masonry block walls.

Before shopping around for waterproofing products it s important to eliminate any other causes of structural dampness. Waterproofing the exterior is often the choice as it doesn t require much preparation time and effort. The surest way to waterproof your basement walls is a full scale exterior waterproofing solution. The first waterproofing layer that i applied to the foundation wall was thoroseal foundation coating a cementitious waterproofing product.

Waterproofing your exterior brick walls helps solve any external damp issues. With proper waterproofing of a home s exterior walls however such damage can be avoided. Install a waterproofing membrane. Elastomeric membranes are made of modified asphalt and exhibit great waterproofing characteristics.

It s also the most expensive often 15 000 to 30 000. Exterior basement waterproofing involves digging out the dirt around basement walls applying a moisture barrier and installing a specially designed dimple board that deflects water away from the. Exterior waterproofing involves excavating all around the house to the full depth of the foundation walls then installing a waterproof coating or membrane topped by drainage panels. Each requires different work and processes.

Damp walls are excellent breeding grounds for mildew and mold which can damage the home and lead to health problems for occupants. Waterproofing external walls is the best solution only if the walls become damp as a result of rainwater or moisture. There is however an addition to the exterior waterproofing membrane that can make it even more effective. Exterior drain tile when the ground water surrounding a foundation is extremely high it benefits the homeowner to install exterior drain tile along with the membrane to alleviate pressure on the walls and drain off the water.

When your external walls are exposed to a water source such as rain this water can enter your masonry in some cases travelling laterally from your external walls to your internal walls. The principle benefit of the coating is that it fills the pores of the cement block which prevents water from seeping in. It may be that cracks in your bricks or pointing are letting the water in or.