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1 Answer

Panasonic WhisperComfort ERV - not necessarily a "spot" ERV anymore!

Corbett Lunsford just posted the first of a series of videos on how to convert a Panasonic WhisperComfort "spot" ERV into a ducted ERV. Apparently this setup was described to him by Panasonic engineers, so it has some legitimacy behind it.

This video doesn't contain all of the details, but more videos will follow (you can subscribe and get notified), and this is such a unique modification for a uniquely affordable ERV that I thought it was worth pointing out.

Asked By Nick Welch | Jan 22 16
4 Answers

Looking for ICF basement to foam-insulated 2x6 main floor transition advice

After over a year of planning on using a conventional concrete basement wall with 4" eps to match the 2x6 wood framed wall above above.. which also will have 4" foam,,,

I have been convinced to use iCF forms for the basement!

I have come to believe this makes sense from many perspectives. However I am now left with choosing an iCF system... So far I have determined that no one makes a form with 4" of foam on the exterior!!

Should I add enough eps to the exterior of the iCF form ... Using adhesive perhaps... to get the two exterior wall planes lined up or is there another method?

Asked By Tim | Jan 4 16
3 Answers

Wood accent wall

Zone 5b. Spokane wa. concrete foundation walls. 2" of xps, framing with roxul. planning for drywall but would like to have one or two wood accent walls on ext surface. what would be a suitable surface behind the wood planks? the boards will be spaced slightly to give some shiplap look to them. Something black would be best. would like to avoid both drywall and the planks. would 60 min paper work? Maybe a roofing tar paper? inspector has ok'd the assembly with just planks and no drywall and no vapor barrier along the drywall only sections.


Asked By Sean | Jan 12 16
5 Answers

Has anyone heard or experienced any down side to using pumice as a building material for the floor or walls?

I am thinking of building with a 12 part pumice to 1 part cement mix as wall material with standard 3 layer stucco cement as wall covering . I heard New mexico pumice had possible radon emissions ?
I am wondering about moisture condensation inside of wall at the dew point leading to mold ?
I live in western oregon with high humidity ,the pumice would come from our abundant pumice fields.
pumice can't rot can't burn and has 1.5R per inch .
The only down side I see is there are no codes for pumice and would need to get an engineers report for earthquake stability using rebar.

Asked By keith schneider | Jun 25 10
5 Answers

EPS on basement floor?

Been slowing remodeling our 1930's basement, in part with help from this site. Thank you.

I have a couple questions about materials. Currently I have 2" xps foam from floor to ceiling, spray foamed top and bottom and taped. Followed by framing wood framing and Roxul batts (r25 total). The walls are concrete, 9-10" inches thick. 7-something ceilings (varies) with about 50/50 below grade above grade (brick veneer cape cod style, perched up a bit). The insulation has made an incredible difference so far.

Asked By Sean Cotter | Jan 10 16
9 Answers

What have you used for siding/trim/etc?

I am trying to decide on the healthiest product to use for the exterior. I know it won't really affect indoor air quality if our house is air tight (which I hope it is), but I just really want to chose the product that is the least risky in terms of health. Hardie Board makes me leary because of the Silica. I know it is really only harmful when being cut and installed, but it just makes me nervous. What if we need to repair it or remove it and reinstall? I don't really want to worry about silica dust being everywhere with kids.

Asked By Carolyn Farrow | Jan 7 16
16 Answers

Are indoor air monitors worthwhile?

I have recently gotten notices of the release of Blueair and Awair. I am sure there are others on the market as well. Are indoor air monitors worthwhile? Accurate? Useless? I know that inside a tight house air quality can be more of an issue than an old leaky house, but is monitoring the best way to address the potential problem or some other approach?

Asked By A Lange | Dec 25 15
1 Answer

Anyone have any experience with a low GWP closed-cell spray foam?

Wondering if anyone has had a low GWP [global warming potential] foam installed in their construction product, and what product they used? I have done a little research on Icynene's ProSealEco closed cell foam. Any one have anything good or bad to say about the stuff?

Asked By Cameron | Jan 5 16
0 Answers

Regarding my recent question on formaldehyde in plywood sub- flooring

Thanks to all respondents!


Asked By john nolan | Jan 2 16
4 Answers

Formaldehyde-free flooring?

good morning
is there an alternative to plywood flooring?
Formaldahyde in plywwod has me spooked.

thanks for any suggestions!

Asked By John | Jan 1 16
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