Sealed Section of Cinder Block Cellar Walls. Cinder Blocks are more porous than poured concrete foundations, but Perma-Block® creates a vapor barrier within the Block for excellent Waterproofing.


Sealed Section of Cinder Block Cellar Walls. Cinder Blocks are more porous than poured concrete foundations, but Perma-Block® creates a vapor barrier within the Block for excellent Waterproofing.