Research

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Notebook

Code copyrights questioned, research on radiant heating, Solar Decathlon, marketing wheat-straw board, union-funded home mortgages More

Q&A: Identifying Poria Fungus
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Q&A: Identifying Poria Fungus

Q: While renovating a home in New Jersey, I found a fungus-like growth a few... More

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Notebook

Drywall shortage is history; ASHRAE’s new ventilation standard meets resistance; rebates offered for affordable housing in Dallas; knee therapy holds promise for builders; precut stud lengths all over the map; more More

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Practical Engineering: Holding Down the Roof

Wind uplift on roofs More

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Q&A: Shingling Over Stressed-Skin Panels

Q: Is it necessary to provide ventilation under shingles installed over SIP (structural insulated panel) roofs? I’ve heard that shingles installed directly over SIPs, without a vent cavity, fail prematurely. More

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Eight-Penny News

Referral network for insurance repairs, ambitious research into storm-resistant houses, MSDS for sawdust More

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Q&A: Frostproof Slab-on-Grade

Q: We are faced with a site for a 1,400-square-foot, story-and-a-half house in a northern climate with a 6-foot frost depth. We propose to build the house on a slab-on-grade foundation, some of which will be near ledge. Does the footing for such a slab have to extend below the 6-foot frost depth, or can it float on gravel? More

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Q&A: Venting a Shed Dormer

Q: We build a lot of shed dormers that start at the ridge and have a roof pitch of about 3:12. I have never installed a ridge vent because I am concerned that snow will build up and leak through the vent on the dormer side. Now the code inspector insists the roofs must be ventilated. How should we do this? More

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Q&A: Reviving A Crumbling Plaster Wall

Q: How can the surface of old, flaking, and crumbling plaster be preserved? Is a thin coat of joint compound acceptable? More

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Q&A: Preventing Truss Uplift

Q: Is there any way to stabilize roof trusses to prevent "truss chord uplift?" More

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