David N. Armington
  • Male
  • Henrico, VA
  • United States
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David N. Armington's Page

Latest Activity

David N. Armington replied to Martin Newmark's discussion Best Practice for Retrofit Insulation on Modern Knee Walls in Attics
"This can be more problematic than it seems.  In Northern climates, thermal loss and active air circulation cause ice dams.  I might recommend an approach that in effect isolates the area inside the thermal envelope, meaning the floor,…"
Jun 29
David N. Armington replied to Beverly Lerch's discussion Fireplace drafts
"I'm surprised no one has mentioned the external air source; in many parts of the country it is a code requirement for new construction.  As a retrofit, a damper-like plate and chute can be purchased through a brick supplier, let into the…"
Dec 11, 2016
David N. Armington liked John Poole's discussion Two Part Epoxy and Repair of Structural Wood
Oct 21, 2016
David N. Armington joined John Poole's group
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Historic Home

Historic and vintage homes are significant to our cultural heritage, yet often lack energy efficiency and comfort. Our mission is to identify key issues, solutions, and best practices when retrofitting much older homes.See More
Oct 21, 2016
David N. Armington replied to Judi Lyall's discussion What to do with a pocket door in the group Best Practices (Residential)
"True.  Maybe remove enough plaster to angle in a nozzle, but that does nothing for the vertical gaps.  It is a shame that veneer plastering, over blueboard and a bonding agent, is a lost art.  I would do almost anything to solve a…"
Jun 20, 2011
David N. Armington replied to Judi Lyall's discussion What to do with a pocket door in the group Best Practices (Residential)
"If all these remedial actions seem difficult, why not waste the drywall?  If you came down several inches from the ceiling, to avoid a corner joint, you could slide the door open and have easy access with foam or caulk, and be quite…"
Jun 20, 2011
David N. Armington joined Sean Lintow Sr's group
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Best Practices (Residential)

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of history?See More
Jun 20, 2011
David N. Armington is now a member of Home Energy Pros Forum
Nov 4, 2010

Profile Information

Company
Imago Green
Professional Certification
BA1, Leed Green Associate, Associate Architect
Professional Interests
Historic Preservation
LinkedIn Profile
David N. Armington

David N. Armington's Blog

Sticky Doors

Posted on August 6, 2015 at 4:38pm 0 Comments

The riddle is: "How many sides does a door have?" The answer is 6, While the vertical edges may be painted, the top and bottoms may not be sealed, which is different from just painting. Most door manufacturers will not honor a warranty if this is neglected. The styles may transmit water vapor along the entire height of the door through end grain, and some side expansion of the rails may occur.

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Forum Discussions

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler yesterday. 15 Replies

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Started by John Krochmalny in Training. Last reply by Mahendra Shah yesterday. 1 Reply

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco on Monday. 1 Reply

Latest Activity

tedkidd replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"Yeah. Gas water…"
yesterday
Eric Kjelshus replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"With super cheap natural gas prices now, still worth going all electric?  Tankless needs a lot…"
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Stuart Langley liked Chris Clay's photo
yesterday
David Butler replied to David Butler's discussion How would you insulate this roof?
"Stuart, I wasn't considering the copula windows... yes, those would indeed need to be…"
yesterday
Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"Well, @David Butler, you have seen the property more accurately than I have, but my impression of…"
yesterday
David Butler replied to David Butler's discussion How would you insulate this roof?
"@ Stuart,I don't think there's any concern about impact of 4" build-up on elevation…"
yesterday
Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"So this building has a few issues with air leaks and air leaks have so much to do with discomfort…"
yesterday
Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"John Hatfield has the right idea here for a new roof deck. Polyiso boards always need a good stout…"
yesterday

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