Search Results for: rebar

Concrete slab being poured and leveled inside a building

Pouring Footings in Wet Soil: Pumping, Mud Control, and When to Wait

Introduction Pouring footings in wet soil means you must stabilize the site first, remove water, and control mud before concrete. Assess drainage, stick to a plan for pumping, and set up barriers to keep mud from spreading. If conditions aren’t right, it’s safer to wait and check local guidance. Set up proper forms and ensure […]

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Concrete pouring over rebar grid at construction site

Sonotube Footings: Keeping Tubes Plumb and Preventing Soil Collapse

Introduction Sonotube footings are cylindrical form tubes used to shape concrete footings and keep them plumb during pour. They help prevent soil from collapsing around the pour by providing a stable, vertical mold. Before pouring, set the tubes on a solid base, check alignment with a level, and brace as needed. Sizes and installation steps

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Concrete pouring from chute into wooden forms supported by gravel

Concrete Form Blowouts: How to Brace, Inspect, and Stop a Failing Pour

Introduction A concrete form blowout is a formwork failure during placement: a panel bows, a joint opens, a tie or anchor moves, or the form collapses and releases fresh concrete. Treat visible movement or rapidly increasing leakage as a stop-work condition, not a cosmetic problem. Do not use generic brace dimensions as a design. Formwork

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person leveling wet concrete on ground outdoors

Infrared Thermometer for Concrete: What It Can and Can’t Tell You

Introduction An infrared thermometer measures surface temperature without touching the concrete. Use it to spot cold spots, thawing edges, or rapid surface changes during curing, but it won’t reveal internal conditions. Check the device emissivity settings and read the manufacturer instructions for how to use it on concrete. For winter pours, take quick surface readings

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Paint roller applying liquid on concrete pavers outdoors

Concrete That Turns Dark After Sealing: Moisture, Solvent Trap, and Fixes

Introduction Darkening after sealing happens when moisture or solvent residues interact with the sealer on the surface. This can make the concrete look blotchy or deeper in color as it dries. If this happens, check moisture levels of the slab and review the sealer’s instructions. Try simple fixes first by letting the surface breathe, cleaning

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Concrete screed tool smoothing wet concrete surface outdoors

Concrete Finishing in Direct Sun: Shade, Fogging, and Timing Tips

Introduction Concrete finishing in direct sun means you need shade, moisture control, and smart timing to get a smooth, durable surface. Shade helps slow rapid moisture loss, fogging or misting adds surface cooling, and timing keeps finishing steps aligned with the concrete’s surface condition. Plan ahead to avoid streaks, itching, or surface damage from heat

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stacked precast concrete columns outdoors on grassy ground

Can You Use Calcium Chloride in Concrete? When It’s Allowed and When It’s a Bad Idea

Introduction Calcium chloride can speed up concrete setting, but it is not allowed for every mix or every job. For DIY pours, check product labels and local rules to know if it’s permitted. If you’re unsure, ask the supplier or code authority before using it on your project. In some cases it’s allowed, but in

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