Box Header Construction over Windows, Doors - Framing Tips Save Building Energy Costs
FRAMING DETAILS for BETTER INSULATION - CONTENTS: Building Framing Guide to save energy by building a thermally sound structural shell using the two-stud corners and plywood box headers. Solar Age Magazine Articles on Renewable Energy, Energy Savings, Construction Practices
Sketch at page top and accompanying text are reprinted/adapted/excerpted with permission from Solar Age Magazine - editor Steven Bliss.
"The Two-Stud Corner and Other Tricks: these simple modifications in framing add insulation and and reduce costs" - links to the original article in PDF form immediately below are followed by an expanded/updated online version of this article.
This article explains how the two-stud corner framing detail permits full insulation to be installed to the building corner in a wood-framed structure. Included with the explanatory text are sketches such as shown at page top and at left.
The builder uses steel drywall clips or a 1x3 wooden backer to secure drywall in the building corner where the third stud is eliminated.
To improve the building insulation blanket at headers over windows and doors, the builder uses short cripple studs over the opening, converted into a structural beam by addition of 1/2" plywood sheathing on both sides, gluing and nailing the plywood in place to form a rigid box beam.
Don't forget to insulate between the cripple studs before nail-gluing the enclosing plywood. This box beam design can easily extend over a six-foot sliding door while meeting residential structural loads.
(See Technical note No. C 426 published by the American Plywood Association).
Here we include solar energy, solar heating, solar hot water, and related building energy efficiency improvement articles reprinted/adapted/excerpted with permission from Solar Age Magazine - editor Steven Bliss.
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Solar Age Magazine was the official publication of the American Solar Energy Society. The contemporary solar energy magazine associated with the Society is Solar Today. "Established in 1954, the nonprofit American Solar Energy Society (ASES) is the nation's leading association of solar professionals & advocates. Our mission is to inspire an era of energy innovation and speed the transition to a sustainable energy economy. We advance education, research and policy. Leading for more than 50 years.
ASES leads national efforts to increase the use of solar energy, energy efficiency and other sustainable technologies in the U.S. We publish the award-winning SOLAR TODAY magazine, organize and present the ASES National Solar Conference and lead the ASES National Solar Tour – the largest grassroots solar event in the world."
Steve Bliss's Building Advisor at buildingadvisor.com helps homeowners & contractors plan & complete successful building & remodeling projects: buying land, site work, building design, cost estimating, materials & components, & project management through complete construction. Email: firstname.lastname@example.org
Steven Bliss served as editorial director and co-publisher of The Journal of Light Construction for 16 years and previously as building technology editor for Progressive Builder and Solar Age magazines. He worked in the building trades as a carpenter and design/build contractor for more than ten years and holds a masters degree from the Harvard Graduate School of Education.
Excerpts from his recent book, Best Practices Guide to Residential Construction, Wiley (November 18, 2005) ISBN-10: 0471648361, ISBN-13: 978-0471648369, appear throughout this website, with permission and courtesy of Wiley & Sons. Best Practices Guide is available from the publisher, J. Wiley & Sons, and also at Amazon.com
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