Concrete Strength

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Curing Time for Concrete Footings

Temperature, admixtures, and fly-ash content can affect how long it takes for concrete to achieve its rated strength. More

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Better Concrete Garage Floors

Ten tips for pouring stronger, crack-free concrete slabs. More

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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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Glass Tile and Kerdi Membranes

The manufacturer of the glass tile my client chose for her shower recommends that... More

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All-in-one flashing panel; spray-foam insulation; shower seat; lightweight steel beams; grass driveway mats; push-fit fittings; more More

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Building With Precast Concrete Panels

Produce industrial-strength energy-efficient homes with hollow-core planks and... More

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On Site With Pervious Concrete

Stormwater runoff flows right through this porous concrete pavement. More

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Q&A: Compressive Strength Of Cellular PVC Trim

Q. Compressive Strength Of Cellular PVC Trim What kind of compressive strength do cellular PVC trim products such as Azek have? Can they be safely sandwiched between a supporting column and a bearing beam, for example? 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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