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.

Closeup of three steel lag screws with hex heads

Rusting steel lintels over brick openings: expansion cracks, temporary fixes, and proper replacement

Introduction Rusting steel lintels over brick openings are corroded structural supports that span the opening and can threaten the masonry. Early signs include rusty stains, cracking joints, and subtle movement around the opening. These issues arise from moisture, age, or poor installation and call for careful assessment before any fixes. Addressing them involves identifying causes […]

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Brick two-story house exterior with windows and front door

Brick chimney crowns: why they fail and the upgrade that stops water entry

Introduction Chimney crowns fail when water enters through cracks or porous material, leading to damage over time. This article explains how cracks form, what freeze–thaw cycles do, and why proper crown sealing matters. It keeps the discussion practical for a hands-on DIY approach you can reasonably attempt with common tools. A durable upgrade involves a

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Hand with orange glove laying a brick on mortar

Brick chimney caps and spark arrestors: sizing, attachment, and draft considerations

Introduction Brick chimney caps and spark arrestors are protective covers on top of a masonry chimney that help contain embers, reduce water intrusion, and influence draft, sizing, and attachment should fit the chimney opening and flue arrangement. Choose from material options that resist heat and weather, and plan for proper alignment and secure attachment to

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