Waterproofing Concrete Block Walls Below Grade

Concrete blocks that are not protected and treated can suffer from severe damage over a period of time.

Waterproofing concrete block walls below grade.

Concrete products are porous and unless treated are not waterproof allowing water to migrate into the building a damp proof coating can be applied directly to the surface of the concrete below grade walls. This low odor masonry paint is formulated for waterproofing above and below grade basement walls masonry walls retaining walls cinder and concrete blocks stucco and brick. Kilz basement masonry waterproofing paint is a premium interior exterior waterproofing paint designed for porous concrete and masonry surfaces. Drylok extreme latex base masonry waterproof coating is drylok extreme latex base masonry waterproof coating is ideal for interior exterior above or below grade masonry walls basement walls foundations landscape walls cinder blocks concrete blocks bare concrete swimming pools stucco and brick.

Features flexible encapsulated polymers for a beautiful smooth waterproof finish. Waterproof interior exterior above or below grade walls including basements retaining walls and bare concrete swimming pools foundations and more. Protecting below grade walls from water entry involves installing a barrier to water and water vapor. You may notice moist basement walls from time to time water puddles here and there or worst case scenario flooding.

Water that enters through the pores can result to foundation seepage in the long run. This low odor masonry waterproofer is formulated for waterproofing above and below grade basement walls masonry walls retaining walls cinder and concrete blocks stucco and brick. In fact both the 2018 international residential code irc r703 1 and the 2018 international building code ibc 1404 2 require a weather or water resistive barrier on a solid monolithic concrete wall like fox blocks when. Most foundation and below grade walls are constructed from poured concrete or concrete masonry block.

The importance of waterproofing for concrete block. For fish ponds we recommend using drylok original. Because they re built below grade basements tend to take on water. Guaranteed to stop water withstands 15 pounds of hydrostatic pressure psi equivalent to a wall of water 33 feet high.

They are generally absorbent and can easily absorb moisture that may cause mold problems. As concrete is a porous material the resultant pooling entrapment of water within the cinder block wall will eventually accelerate the deterioration of the blocks to the point of failure and with the passage of time lead to far greater repair costs and potentially damage the structural integrity of sections of your foundation walls.