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Building Foundations

  • Replacing a Slab Foundation

    When the original builder flubs a foundation, someone else has to clean up the mess.

     
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    TVA-ORNL Project Provides a Window on the Payback of Energy Upgrades

    Study finds that modest upgrades in insualtion and HVAC equipment dramatically reduce energy use in warm, humid climates.

     
  • Extreme Temperature Formula Low-VOC Subfloor And Deck Construction Adhesive

    Liquid Nails’ new Extreme Temperature Formula low-VOC subfloor and deck construction adhesive can be gunned by hand at temperatures down to 22°F, and will stick to wet, frozen, and treated lumber readily and won’t dissolve foams and plastics.

     
  • Super-Insulated Slab Foundations

    Compacted drainage stone and a thick layer of foam prevent frost damage and keep the heat inside the building.

     
  • Foundation for a Problem Site

    A carefully engineered foundation and alternative septic system add value to a bargain-priced lot.

     
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    Dry Wall

    Cosella-Dörken’s three-ply Delta Footing Barrier keeps groundwater out of walls by providing a waterproof break between a building’s footing and its foundation

     
  • Tree Roots and Foundation Cracks

    Can the roots of a tree actually dry out the soil beneath a foundation enough to cause the concrete to crack?

     
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    Framing a 16-Sided Addition

    Accuracy in laying out and building the foundation helped keep the rest of the job on track .

     
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    Attaching Deck Ledgers to I-Joist Cantilevers

    When I-joists are cantilevered over the foundation wall rather than directly supported at the sill plate, can a deck ledger be safely attached to the engineered rim joist?

     
  • Mudsills and Out-of-Level Foundations

    Recently we contracted to do a house with precast foundation walls that were set out of level - up to 3/4 inch over 30 feet, in some places. What's the best way to shim and air-seal the mudsill?

     
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    Replacing a Stone Foundation

    The trick was holding up the roof while leaving plenty of room to work.

     
  • Installing an Egress Window in an Existing Foundation

    With the right equipment, you can cut the opening and install the well in a day.

     
  • Block Foundations for Small Additions

    If your crew has the skill and you own the right equipment, it may make sense to lay your own masonry foundations.

     
  • Are Windows Required in Basements?

    Q: We’d like to start building basements with precast concrete panels, but we’ve been running into resistance from local code officials. Are basement windows required when a house is built with a full foundation?

     
  • New Deck Footings Near an Old Foundation

    Q. Plans for a freestanding deck call for new piers about 2 feet from the house foundation. Is it necessary to dig down to the bottom of the house's footing to reach undisturbed soil, or would the dirt around the foundation of a 60-year-old house be compacted enough to be con sidered undisturbed -...

     
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    Concrete Houses for the Coast

    Hurricane Katrina taught a valuable lesson: the only houses likely to survive the ravages of a major hurricane are made of concrete. Dave Pfanmiller, a custom-home builder in Gulfport, Miss., uses Wall Ties aluminum concrete forms to build these homes on the Gulf Coast. Pfanmiller and his friend...

     
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    A Pier-and-Beam Foundation For a Coastal Site

    Where unstable soil and periodic tidal flooding are a concern, helical piers topped with a concrete stem wall rise to the challenge.

     
  • 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...

     
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    Design: Fixing Wright's Wrongs

    Fixing Wright's Wrongs

     
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    High and Dry

    In the flood-prone Gulf region, an elevated home is a no-brainer. The classic poured-concrete slab-on-grade — a simple monolithic pour with nothing more than a thickened edge at the perimeter — is not enough where floodwaters from a storm surge or rising water levels pose a threat. Using a raised...