High-Strength Concrete

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Do Precast Foundation Walls Need Waterproofing?

Q: Are precast concrete foundation walls subject to the same dampproofing or waterproofing requirements as cast-in-place and block foundations? I've heard that because these walls are made of a high-strength concrete that's virtually nonporous and impervious to water, they don't require extra dampproofing or waterproofing. My building inspector disagrees. More

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Products

On-site welding kit; safer worklight; joint compound accelerator; decorative exterior woodwork; ready-made shingle panels and corners; colored caulk; more 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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Products

Inflatable knee pads; truck bed extender; caddy for extension ladders; roof guardrail; track for heavy pocket doors; finish works on wet wood; mortarless brick veneer; elegant aluminum balusters; more More

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Products

Noise-reducing batts; cool eye protection; simple cord connector; generator power panel; aluminum fence system; foolproof GFCI receptacle; thin profile radiant heat for tile More

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A Quick Cure for Problem Soils

Surprise soils can complicate any project. When the excavation turns up weak or expansive clay, this low-strength ready-mix fill can provide a stable base for the foundation without busting the budget. More

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Products

Plastic sump pit, convenient concrete anchor kit, safety lanyard, see-through storm shutters, stainless steel door, better duct tape, chimney-top vent fan More

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Toolbox: New Power Finish Saw

The new Bosch power handsaw More

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Q&A: Concrete Cold Joints

Q: Occasionally my foundation contractor is not able to pour all of the concrete for a foundation at once, leaving vertical and horizontal cold joints. How do you prep the surface of the concrete after the first pour to make sure such joints are structurally sound? More

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Resources

Basic business guide, contract-writing help, construction drawing primer, engineering basics, electrical references More

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