General Forum (730)

Discussions Replies Latest Activity

Open cell foam and cellulose... Can they work together?

Greetings everyone!    I have a client who would like to have two inches of open cell foam in the attic flat, and then 10 inches of cellul…

Started by Luis Hernandez

11 Mar 29
Reply by Richard Beyer

AI Res. Green and Energy Efficient Addendum

The Appraisal Institute made the AI Residential Green and Energy Efficient Addendum fillable.  Check out the new version that makes it easy…

Started by Sandra K. Adomatis, SRA

0 Mar 29

Best Insulation For Older Building With Potential Moisture

I have an older redwood sided home that has the siding nailed directly onto the framing. There's a layer of felt paper over the framing, bu…

Started by Dan Antonioli

8 Mar 27
Reply by Roy L. Miller

Basement Renovation - Concerns & Ideas

Good morning pros! I am bidding on a basement renovation of a two story brick home in Arlington, VA. The first story is partially below gr…

Started by Patrick Michaelyan

1 Mar 26
Reply by Richard Beyer

LAST CHANCE: March Madness: 2 for 1 BSP Deal!

For the next five days, when you buy the Building Science Principles (BSP) exam, get the BSP Reference Guide for FREE! The BSP certificat…

Started by Mike Kandel

0 Mar 26

Looking for Residential Energy Usage Data Tracking Alternatives

I'm trying to find a cost-effective solution to track reductions in energy use for residential energy efficiency improvements (the informat…

Started by Jennifer Weiss

11 Mar 25
Reply by Jennifer Weiss

Electrical Efficiency for Gas Furnaces.

I've noticed my new furnace uses about the same electrical power to operate as my old furnace, even though the new furnace (44k) is 1/2 the…

Started by Bob Blanchette

2 Mar 20
Reply by Bob Blanchette

Fire sprinklers & air infiltration?

The housing industry is continuously trying to make houses tighter.  This will continue coming up as an issue for the sprinkler industry un…

Started by Kent Mitchell

9 Mar 20
Reply by Ed Minch

Rigid Foam (Polyiso) as a Weather-Resistive Barrier

Hello pros! I have done much reading on the subject and am still in need of a final round of feedback on using foil-faced polysio board as…

Started by Patrick Michaelyan

10 Mar 18
Reply by Dennis Heidner

Bad floor insulation installation

 We are seeing this more and more... 9" of insulation flush on the bottom of a 12" or 14" floor joist cavity.  No contact with conditioned…

Started by Kent Mitchell

5 Mar 17
Reply by Bud Poll

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