But mortar can crumble with age, and cracks that allow moisture in could eventually cause structural damage. That's why it's important to periodically assess and repair mortar joints or the spaces between the cinder blocks. This process of adding new mortar to the joints is also called repoin...
Cinder Block and Concrete Block Damage Old, porous cinder block foundations crack under pressure. We reinforce with anchor bolts through external wall plates into the blocks. Moisture seeping through foundation walls leads to efflorescence (white powder deposits). Applying waterproof sealants prevents this...