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More stories about Aggregates

  • Letters

    APA defends panel grading system, ready-mix radiant slabs

  • For What It's Worth

    New insulated concrete block, knock-down lumber rack for pickups, clips for patching holes in drywall, fix for squeaky floors

  • 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.

  • Eight-Penny News

    EPA’s radon assessment questioned, federal “dig-safe” law likely, liquid sand and gravel

  • For What It's Worth

    Dump-bed retrofit for pickups, digital deadbolt, no-itch fiberglass batts

  • Q&A: Cutting Concrete

    Q: What’s the best way to cut through a concrete wall? A concrete saw won’t cut all the way through an 8-inch foundation wall. We’ve even tried suspending a jackhammer from the floor joists, but this is awkward at best and leaves a ragged edge.

  • Practical Engineering: Interlocking Block Retaining Walls

    Interlocking masonry blocks combine with plastic geogrids to make strong, attractive retaining walls

  • Sub-slab Vapor Barriers

    A slab poured directly on top of a vapor barrier dries more quickly on top than on the bottom, causing cracking and curling in the concrete. Here’s one way to solve the problem.

  • Soil Compaction Basics

    A soils engineer explains the tests and techniques used to achieve good compaction every time.

  • Concrete Block Foundations

    A mason describes how to lay out, reinforce, drain, and waterproof block foundations for top performance.