For fish ponds we recommend using drylok original.
Waterproofing concrete block walls inside.
Otherwise water will seep in through the walls of your basement.
While sealing a concrete block foundation wall from inside your basement may temporarily resolve a basement leak this form of basement waterproofing will actually trap water within the foundation wall and effectively prevent any evaporation of the moisture trapped inside the blocks.
Your cinder block basement wall must be waterproofed to provide a proper home environment.
You will often see efflorescence white minerals or mold growth on damp concrete.
Ask this old house mason mark mccullough explains and demonstrates the benefits of waterproofing concrete brick.
A cinder block is much more porous compared to a standard concrete block or poured concrete.
Do apply a masonry waterproofing product to bare interior basement walls.
Why cinder block walls leak.
Waterproof interior exterior above or below grade walls including basements retaining walls and bare concrete swimming pools foundations and more.
They are generally absorbent and can easily absorb moisture that may cause mold problems.
Heavyweight concrete blocks are semi permeable 5 perms and less so when the hollow cores are filled and packed with a slurry mix of concrete about 2 perms.
This water can cause structural damage and grow mold.
Subscribe to this old house.
By waterproofing your basement you will be preventing health dangers and also costly repairs.
If your foil test showed that water is soaking through your basement walls and leaving them wet seal the interior of the.
The importance of waterproofing for concrete block.
Waterproof protect and preserve your concrete with the siloxa tek 8500 ready to use concrete sealer.
Guaranteed to stop water withstands 15 pounds of hydrostatic pressure psi equivalent to a wall of water 33 feet high.
The product contains a proprietary blend of siloxanes silane to provide a clear concrete sealer that prevents chloride deicing salt and freeze thaw damage.
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.
Cinder blocks are classified as permeable to water and water vapor 10 perms.