Brick & Block

Brick & Block covers practical how-to guides for masonry projects, from small repairs to building simple walls.

You’ll find articles on mortar basics, mixing and tooling joints, setting bricks/CMU blocks, fixing cracks, and common beginner mistakes. I focus on real-world steps and materials that actually work on site.

If you’re planning a brick, block, or mortar project, start here and work your way through the basics before you jump into the more specialized guides.

Box fan on concrete floor with dark moisture stains on wall

Concrete Block Moisture Problems: Capillary Rise, Sealers, and Interior Coatings That Make Sense

Introduction Moisture problems in concrete blocks happen when water wicks through the wall, showing up as damp patches and mineral blooms. This is commonly caused by capillary rise and can occur even when the surface seems dry. To deal with it, you need to identify where the moisture is coming from and how the wall […]

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close-up of deteriorated cracked concrete surface with peeling paint

Repairing Cracked Concrete Block Corners: Stitching vs Rebuild (and where the line is)

Introduction Stitching is a repair method that reinforces cracked concrete block corners without tearing down the wall. It typically uses patch material and stitching along the crack to help hold blocks in place. Check the crack width, water intrusion, and follow the manufacturer instructions and local rules before starting. Rebuild is when you take out

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Smooth light gray concrete wall surface

Surface-Bonding Cement on Dry-Stack Concrete Block: When It’s Allowed and How to Reinforce

Introduction Surface-bonding cement on dry-stack concrete block is a thin adhesive layer applied to the face of stacked blocks to improve bond and stability when allowed. It’s a practical option you can use to reinforce and tidy up a wall that’s already in place. Check your local rules and manufacturer instructions to know if this

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