Concrete

Concrete is where I keep my step-by-step guides for planning, pouring, and finishing concrete projects.

Topics include base prep, forms, reinforcement, thickness, mixing and placing, finishing, curing, sealing, and long-term durability. I also cover troubleshooting—what to do when concrete cracks, scales, dusts, or cures unevenly.

If you’re new to concrete, start with the planning and prep articles. They prevent most of the expensive mistakes.

Empty concrete parking garage with support columns and painted lines

Concrete Creep: Why Countertops and Shelves Sag Over Time (and How to Prevent It)

Introduction Concrete creep is the slow, ongoing deformation that happens in hardened concrete under sustained load. It means the material slowly changes shape over time as it bears weight from countertops and shelves. In plain terms, the longer something sits on concrete, the more it can sag or shift a little bit. Common causes include […]

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Four concrete test slabs with handwritten measurements on top

Sorptivity Explained: A Simple DIY Absorption Test and What the Results Mean

Introduction Sorptivity is a measure of how quickly a porous material absorbs water through capillary action. In this DIY intro, we’ll keep the test simple and describe what you can observe on a small patch of concrete or plaster. The goal is to get a practical sense of absorption behavior without high-tech gear. Results help

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Magnified view of radon symbol over cracked concrete wall.

Radon Fan Placement Basics: Best Locations, Vent Routing, and Common DIY Mistakes

Introduction Radon fan placement is choosing where to install the fan so it can move soil gas from beneath the slab to the outdoors. Pick a location that is accessible for maintenance and close enough to the intake so air can be drawn through the system. Always follow the manufacturer’s instructions and local rules when

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drill bit making hole in concrete slab outdoors

Radon Rough-In Under a Slab: Pipe Routing, Sealing, and Must-Have Details

Introduction Radon rough-in under a slab is routing and sealing a pipe under a concrete floor to vent soil gas safely. Do this with plain instructions: plan the path, verify access, and seal joints to limit leaks, while following local rules and manufacturer notes. Before you start, check local rules and follow any recommended testing

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Blue swimming pool water next to exposed aggregate concrete edge

Capillary Break Under Slabs: Materials, Foam-Glass Options, and Edge Details That Work

Introduction A capillary break under slabs is a layer or treatment that stops water from wicking from the soil into the concrete. In plain terms, it keeps moisture away from the slab to prevent dampness and cracking. Choose a method and materials that fit your climate and slab design. Foam-glass options can be used as

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polished concrete floor in industrial style living room

Cellular Concrete vs Gravel Fill for Basement Floors: Cost, Performance, and Moisture Behavior

Introduction Cellular concrete is a lightweight foamed concrete option, while gravel fill is compacted crushed stone. This article compares them in terms of cost, moisture behavior, and performance for a DIY basement floor. Keep in mind that installation methods vary widely depending on local rules and material specifications. Costs depend on material and labor, and

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Workers pouring wet concrete into a wooden frame outdoors

Cellular Concrete Uses: Trench Backfill and Under-Slab Fill (Pros, Cons, DIY Limits)

Introduction Cellular concrete is a lightweight concrete mix used for trench backfill and under-slab fill. It is also known as foamed or aerated concrete, and it’s discussed as a DIY-friendly option with attention to local rules and product instructions. It’s not a substitute for every job, so check what your project requires first and follow

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Concrete floor grinding machine on dusty floor surface

Foamed Concrete for Insulation: Common Failures, Protection Details, and When to Avoid It

Introduction Foamed concrete for insulation is lightweight concrete that includes air voids or foam to slow heat transfer. This article gives a practical, hands-on overview for DIY homeowners. It helps you know what to check on labels or with the manufacturer before you mix or apply it. Common failures include moisture intrusion, cracking, and poor

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person using power trowel on wet concrete slab

Foamed Concrete for Lightweight Planters and Fill: DIY Mixing, Placing, and Finishing

Introduction Foamed concrete is a lightweight mix used for making planters and fill, mixed with air-entraining foam to reduce weight. This article walks you through practical, hands-on steps for mixing, placing in forms, and finishing for a durable, good-looking result. Check the product instructions and local rules for material limits before you start. Choose the

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Person pressure washing concrete outdoor pathway

Pervious Concrete Maintenance: Prevent Clogging and Restore Drainage

Introduction Pervious concrete maintenance is the ongoing care you do to keep its water-draining pores open and prevent clogging. Over time, roots, sediment, and debris can fill the pores and slow drainage. This is why it needs regular cleaning and timely repairs, not a one-time fix. Compared with traditional concrete, pervious surfaces require more frequent

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