Chris Laumer-Giddens's Blog Posts Tagged 'efficiency' (2)

Building Science is Worthless...

Building Science is Worthless...

Thousands of hours went in this construction detail. When we factor all the time spent by building science engineers, from all over the world,…

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Added by Chris Laumer-Giddens on August 25, 2015 at 6:30am — 1 Comment

Designing A Perfect Residential Wall - Atlanta, Georgia

Atlanta, Georgia has a reputation for getting pretty darn hot, but it can also get pretty dang cold (No snickering from you Northerners, please!). Believe it or not, Atlantans use more energy to heat their homes than they do to cool them. The design temperature set by …

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Added by Chris Laumer-Giddens on March 6, 2013 at 2:30pm — No Comments

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How would you insulate this roof?

Started by David Butler in General Forum. Last reply by Brad Cook 35 minutes ago. 27 Replies

Psychrometric Chart Training

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Dirty solar panels

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Brad Cook replied to David Butler's discussion How would you insulate this roof?
"Bill, you just posted a number of responses in different areas of the thread. I will try to respond…"
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Bill Spikowski replied to David Butler's discussion How would you insulate this roof?
"In an earlier response, I noted that we COULD haul drinking water and use the water we collect off…"
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Bill Spikowski replied to David Butler's discussion How would you insulate this roof?
"As to the elevations on the cupola – the existing windows up there might survive adding…"
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Bill Spikowski replied to David Butler's discussion How would you insulate this roof?
"The purlins are 1 3/4" thick. I believe the top chord of the trusses are 10" deep (but…"
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Bill Spikowski replied to David Butler's discussion How would you insulate this roof?
"The cupola windows are the only place there would be a problem if 4" of foam were added above…"
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Bill Spikowski replied to David Butler's discussion How would you insulate this roof?
"The purlins are 1 3/4" thick. I don’t know about the fire dangers of PIC or other foams.…"
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