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.

Black wood stove inside brick fireplace with fire tools and basket

Cleaning Fireplace Soot on Brick: Dry Methods First, Chemistry Second

Introduction Dry methods use physical brushing and vacuuming to lift soot from brick before any chemical cleaners. Start with the gentlest approach and work carefully to avoid staining. Move in small sections and wipe or vacuum away loosened soot as you go. If stubborn soot remains after dry work, you can consider a basic cleaner […]

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Red brick house exterior with white trim and black front door

Preventing Efflorescence on New Brick: Water Sources, Curing, and Best Practices

Introduction Efflorescence on new brick is the chalky salt bloom that appears when water moves soluble minerals to the surface. Water sources and timing of curing drive whether the surface shows that bloom. In practice, keep moisture low during cure and protect fresh brick from excessive rain or splash, then allow it to dry out

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Construction worker cutting joint in brick wall outdoors

Movement Joints in Long Brick Walls: Spacing, Backer Rod, and Tooling Tips

Introduction Movement joints in long brick walls relieve stress from expansion and contraction. They are intentional gaps that let the wall flex without cracking. When you plan the joints, follow the manufacturer’s guidance and local rules, and choose backer rod and sealant accordingly. Use proper tooling by cleaning joints, applying backing, and smoothing with the

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close-up of red brick wall with mortar joints

Choosing Caulk for Brick Joints: Polyurethane vs Hybrid vs Silicone (and why it matters)

Introduction Caulk for brick joints is the sealant you install between bricks to keep water out and allow for some movement. Common options are polyurethane, hybrid, and silicone, each with trade-offs for adhesion, flexibility, and durability. Always check the product label for brick or masonry compatibility and whether it can be painted if you need

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Construction worker laying a red brick on a wall

Expansion Anchors in Brick: Why Some Bricks Split—and Safer Alternatives

Introduction Expansion anchors in brick are fasteners that expand behind the masonry to grip, and improper use can crack bricks or mortar. Choose anchors that match the brick and load, and always check manufacturer directions and local rules. If you’re unsure, err on the side of safer, lighter loads and non‑expansion options when possible. Safer

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Worker welding metal plate with protective gloves and clothing

Preventing Rust Stains on Brick: Metal Isolation and Runoff Control

Introduction Rust stains on brick happen when metal fasteners or components contact brick and moisture carries iron to the surface. This article covers simple ways to isolate metal and manage runoff so stains don’t form. Think of it as a practical, DIY approach you can do with common tools. Inspect all metal that sits against

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Person applying white plaster on wall with trowel

White Haze on New Brickwork: Efflorescence vs Lime Run vs Mortar Wash (and what to do)

Introduction White haze on new brickwork is usually caused by moisture pulling salts to the surface, which can show up as efflorescence, lime run, or mortar wash. These issues look similar, so you’ll want to observe when it appeared and how the surface feels. Check if the haze is on all bricks or just near

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Decorative plaster corbel on brick wall under sill

Adding a Drip Groove Under Brick Sills: Cutting, Sealing, and Stopping Stains

Introduction A drip groove under brick sills is a small channel cut into the sill edge or underside to guide water away from the wall. Cutting it helps prevent standing water and staining, while proper sealing keeps materials from wicking moisture. It’s a practical DIY step that reduces moisture problems behind brick. To do it,

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Caulking gun applying expanding foam sealant in corner gap

Keeping Brick Sealant Lines Clean: Masking, Tooling, and Smear-Free Cleanup

Introduction Keeping brick sealant lines clean means masking, tooling, and cleanup practices that prevent smear. Masking the surround surface with tight edges helps you control where the sealant goes. Work in small sections and wipe excess before it skins. Keep a damp rag handy to clean up as you go and protect the brick face.

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Hand holding drill bit drilling into brick mortar joint

Backer Rod for Wide Brick Joints: Open vs Closed Cell and Correct Depth

Introduction Backer rod is a foam spacer you push into a wide brick joint before sealing, to set the right depth for the sealant. Choice between open-cell and closed-cell matters for moisture and flexibility; open-cell is softer, closed-cell resists water better. For a DIY job, pick the type based on the joint’s exposure and consult

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