Pat Dundon's Discussions (98)

Discussions Replied To (79) Replies Latest Activity

"If you have 2 AC systems in a 3000 sf house with a foamed in roof you have too much…"

Pat Dundon replied Aug 20, 2012 to Open combustion furnace in an attic that has been sealed at the end walls and roof.

35 Aug 24, 2012
Reply by Patrick Michaelyan

"How big is this house? Where is the house? 1500 HDD or 7000 HDD? Does the client nee…"

Pat Dundon replied Aug 17, 2012 to Open combustion furnace in an attic that has been sealed at the end walls and roof.

35 Aug 24, 2012
Reply by Patrick Michaelyan

"Most closed cell foam manufacturers have improved their foam so it does not require…"

Pat Dundon replied Aug 16, 2012 to Open combustion furnace in an attic that has been sealed at the end walls and roof.

35 Aug 24, 2012
Reply by Patrick Michaelyan

"usually you are running an exhaust fan while we do the work, and we hacve occasional…"

Pat Dundon replied Aug 9, 2012 to Sealing Vapor Barriers to Concrete Foundations

14 Dec 13, 2012
Reply by Rob Orchard

"i haven't heard of this before.  as far as I know all urethanes are 1:1 ratio, so i…"

Pat Dundon replied Aug 2, 2012 to Sealing Vapor Barriers to Concrete Foundations

14 Dec 13, 2012
Reply by Rob Orchard

"The EPDM can be purchased at 40 mils and 60 mils. I use the 40, over the past couple…"

Pat Dundon replied Jul 27, 2012 to Sealing Vapor Barriers to Concrete Foundations

14 Dec 13, 2012
Reply by Rob Orchard

"Don't use poly, use EPDM roofing material. Then you can use sprayfoam to seal."

Pat Dundon replied Jul 26, 2012 to Sealing Vapor Barriers to Concrete Foundations

14 Dec 13, 2012
Reply by Rob Orchard

"This is a nosy new yorker pitching in.  I was in Vegas recently and riding the monor…"

Pat Dundon replied Jun 15, 2012 to Insulating rooftop ducts with spray foam - retro - hot/dry climate

15 Jun 15, 2012
Reply by Pat Dundon

"thanks again.  get it in the standard to 'decommission' fans that cannot be correcte…"

Pat Dundon replied Jun 14, 2012 to BPI to Adopt ASHRAE Standard 62.2010?

13 Jun 21, 2012
Reply by Craig A. Lawson

"most fans are rated without ducting attached.  a duct and a couple elbows will rapid…"

Pat Dundon replied Jun 14, 2012 to BPI to Adopt ASHRAE Standard 62.2010?

13 Jun 21, 2012
Reply by Craig A. Lawson

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