Mix Design

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Best Mix for Pumped Concrete

Plans for an infill project call for a poured stem-wall foundation, but the urban site has limited access for a regular concrete truck. A pumper truck would be ideal, but I'm concerned that the pumped mix won't provide the required 4,000-psi concrete. Is this a legitimate concern? More

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How to Build a Concrete Canoe

If you don't know much about boatbuilding, start by welding rebar together to... More

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On Site With Pervious Concrete

Stormwater runoff flows right through this porous concrete pavement. More

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Replacing a Beach-House Foundation

A modified mat slab saved this cottage from the sea. More

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Cast-In-Place Concrete Counters

Forming concrete counters on-site requires careful preparation and perfect timing.... More

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Ordering Ready-Mix Concrete

There’s more to concrete than water, cement, sand, and stone. An experienced batch plant manager talks about the admixtures that help you match the mix to the job. More

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Trade Talk: Understanding Mortar

Making sure of mortar types More

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Casting Concrete Countertops

Use this shop-fabricated approach to concrete countertops to improve quality and cut installation time from days to hours. More

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Concrete Basics

Concrete seems about as straightforward and rugged as any material on site. But... More

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Cold Weather-Concreting

Cool temperatures can reduce concrete strength unless precautions are taken. Here are the products and techniques that guarantee a successful pour — even when it’s below freezing. More

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