Sealing Exterior Cinder Block Walls Below Grade

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.
Sealing exterior cinder block walls below grade. Feb 15 2012 by matthew stock with barry schilling. 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 are generally absorbent and can easily absorb moisture that may cause mold problems. Talk to a waterproofing expert.
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. How to waterproof a concrete block foundation. 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.
You may notice moist basement walls from time to time water puddles here and there or worst case scenario flooding. Basement and masonry waterproofing paint with nanoguard technology is an interior exterior waterproofer specially designed for porous concrete and masonry surfaces. How to seal leaking block walls in your basement with remedial waterproofing. Ames liquid rubber foundation sealant helps to protect your below grade walls from moisture and avoid potential basement water damage.
Features flexible encapsulated polymers for a beautiful smooth waterproof finish. Preparing and repairing your wall. Water that enters through the pores can result to foundation seepage in the long run. Concrete blocks that are not protected and treated can suffer from severe damage over a period of time.
Paint a generous coating of this material onto the wall working the product in all directions to completely seal any pinholes. The importance of waterproofing for concrete block. We recommend that to prevent damage to the wall when backfilling you use protection board. 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.
Because they re built below grade basements tend to take on water. Seal the entire concrete wall with a waterproof masonry product.