Sealing Exterior Cinder Block Walls Below Grade

Seal the entire concrete wall with a waterproof masonry product.

Sealing exterior cinder block walls below grade.

You may notice moist basement walls from time to time water puddles here and there or worst case scenario flooding. They are generally absorbent and can easily absorb moisture that may cause mold problems. Radonseal is the strongest formulated penetrating concrete sealer available and is recommended for use on below grade and slab on grade concrete applications because it is permanent and is completely resistant against hydrostatic pressure. Because they re built below grade basements tend to take on water.

Paint a generous coating of this material onto the wall working the product in all directions to completely seal any pinholes. 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. Preparing and repairing your wall. We recommend that to prevent damage to the wall when backfilling you use protection board.

Concrete block foundations are commonly found in northwest indiana southern wisconsin and small pockets throughout northern illinois. How to waterproof a concrete block foundation. Failure of other systems eventually can lead to the complete collapse of the concrete block wall. Basement and masonry waterproofing paint with nanoguard technology is an interior exterior waterproofer specially designed for porous concrete and masonry surfaces.

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. 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. Feb 15 2012 by matthew stock with barry schilling. Insulated concrete forms if installing below grade insulated concrete forms use manufacturer approved materials for damp proof coating.

The importance of waterproofing for concrete block. 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. Concrete blocks that are not protected and treated can suffer from severe damage over a period of time. Water that enters through the pores can result to foundation seepage in the long run.

How to seal leaking block walls in your basement with remedial waterproofing. Features flexible encapsulated polymers for a beautiful smooth waterproof finish.