Structural Slabs

JLC Field Guide: Structural Slabs

Slab-on-grade foundations are one of the most common foundations in the U.S. becasue they can be adapted to perform well in a wide range of climate zones and difficult soil conditions.

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Structural Slabs Featured Articles

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Pouring a Structural Slab

An East Coast builder describes how to form and pour a structural garage slab... More

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Post-Tensioned Slabs

Expansive soils can wreak havoc on conventional wire-mesh reinforced slabs. A... More

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Pouring a High-Performance Concrete Slab

How site preparation, insulation, vapor barrier, a proper mix, and curing all work... More

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A Frost-Protected Shallow Foundation

Cold-climate alternative uses specialized insulated forms More

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Insulating Over a Structural Slab

Skip the sleepers and float the subfloor over the insulation. More

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Structural Slabs Instruction

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How To Repair Structural Concrete

Jake Lewandowski breaks down how to prep a damaged concrete surface and fix it... More

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Retrofitting a Lally Column

How to replace an old brick pier with a Lally column without cracking the beam or... More

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Mixing Concrete for a 15-Foot-Square Slab

The trick to pouring a large slab by yourself is to form it into smaller sections. More

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Concrete-Slab Drying Time
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Concrete Cracks – How To Fix

Matt Risinger tackles cosmetic repairs to a polished concrete slab, using an epoxy repair to render unsightly cracks nearly invisible. More

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