Sealing Exterior Cinder Block Walls Below Grade

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.

Sealing exterior cinder block walls below grade.

Waterproof interior exterior above or below grade walls including basements retaining walls and bare concrete swimming pools foundations and more. How to waterproof your cinder block foundation. Foundation armor penetrating sealers and water repellents can be used to seal both interior and exterior cinderblock and concrete block walls. They are generally absorbent and can easily absorb moisture that may cause mold problems.

The second most common type of foundation in chicagoland is the concrete masonry unit cmu foundation or as we like to call it concrete block. Basement and masonry waterproofing paint with nanoguard technology is an interior exterior waterproofer specially designed for porous concrete and masonry surfaces. Masonry block if applying a damp proof coating to a rough surface such as concrete masonry block walls coat the exterior surface of the walls with a layer of parging prior to applying the damp proof coating. To waterproof strengthen and preserve the overall appearance of your basement cinder block walls seal the blocks permanently against moisture and efflorescence with radonseal plus penetrating concrete sealer.

Insulated concrete forms if installing below grade insulated concrete forms use manufacturer approved materials for damp proof coating. Concrete block sealer products. Radonseal is the strongest formulated penetrating concrete sealer available and is recommended for use on below grade and slab on grade. Features flexible encapsulated polymers for a beautiful smooth waterproof finish.

Concrete blocks that are not protected and treated can suffer from severe damage over a period of time. How to waterproof a concrete block foundation. Concrete walls sometimes only leak periodically such as after a hard rain or during snow melts. 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.

They chemically react below the surface without changing the look or color of the block and they won t leave behind a visible surface film. Because they re built below grade basements tend to take on water. Concrete block foundations are commonly found in northwest indiana southern wisconsin and small pockets throughout northern illinois. You may notice moist basement walls from time to time water puddles here and there or worst case scenario flooding.

However some walls gush water through openings in the concrete. How to seal a leaking concrete wall. For fish ponds we recommend using drylok original. The importance of waterproofing for concrete block.