Select the drizoro maxseal product that is most suitable for your application.
How to seal exterior concrete block walls.
Let the cinder blocks wall dry completely you can t apply radonseal or any other sealing.
Pour the sealant into a paint pan.
Apply evenly in an up and down motion on the wall.
How to waterproof your cinder block foundation.
Use a long haired paint roller with a long handle.
Remove paint to the bare brick this is the first and obvious step.
This sealer will penetrate the block pours sealing them off from any invading water.
Apply it to the concrete block masonry surface.
Apply silicate based concrete sealant.
This is you how to seal leaking block walls in your basement.
Allow the cinder block walls to dry out radonseal plus cannot react if the hollow cores and the pores of.
Using a roller roll on the sealer allowing 30 minutes of drying time between each coat.
If you still want to do it yourself here s how to seal your cinder brick wall 1.
Seal the entire concrete wall with a waterproof masonry product.
Paint a generous coating of this material onto the wall working the product in all directions to completely seal any pinholes.
Remove paint and efflorescence the surface of the blocks must be bare and porous.
Paint on two coats of concrete block sealer to the interior of the block.
Your blocks must be bare and clean to work with.