Concrete & Masonry

Dr. Joe Lstiburek explains the fourth state of water: ADSORPED water, with a D. It exists on surfaces as tiny monolayers that fill pores and cause mold. It also explains why expansive soils expand.

Feather the edges, and recreate the mortar lines for an invisible patch

A deep dive into mudsill placement, sealing, and leveling (smooth mudsills are easier to seal)

Hot mud and a sponge trowel make crumbly concrete walls new again

An interior footing curb and structural slab shore up an old foundation