Green Homes News

I’m about to start re-siding my house. I’m stripping it back to the original sheathing boards (ca. 1885) and am going to use 7/16 Forcefield sheathing (Georgia Pacific’s version of…

Hi,Using Wrightsoft, our engineer calculated a design heat load of 9318 Btuh for our small, slab-on-grade house. The design temp. is -13F and indoor temperature is 70F. At 4 Pascals,…

Hello, I live in a 1946 two story 1300sqft house in climate zone 7, Manitoba Canada. The stucco on the house is in very good shape, hard to remove, and…

Has anyone heard if Klearwall is still in business or not. I have not been able to get in touch with them regarding service. Thank you, David

Thanks to everyone who has helped me on here over the past year or two as I refined my shed/workshop plans. I definitely over-thought and over-planned, but I'm finally doing…

A look at how this custom home is performing five years after its completion

I've perused quite a few articles, listened to podcasts and YouTube, etc. regarding unvented low slope roofs.  A lot of common themes exist but details are seemingly light on the…

I'm working on installing Mitsubishi mini splits in my house, and I have a couple of questions that I'm hoping someone can help with. I know that Mitsubishi recommends a…

I have a small house with an uninsulated cathedral ceiling in loft space on the second floor that I'd like to insulate to make the space usable in the winter.…

Ive been looking at different foam boards because Ive read they have the highest r-values per inch. Im now reading that manufacturers are overstating the R-values for polyiso by 6%, and…

Can you put Tyvek house wrap over 3/4" Celotex foil faced insulation board . I'm putting new siding up and thought about putting on Tyvek over the Celotex  Thank youHermie

Hi,Two years ago we replaced our 50 gallon gas water heater with a Bradford White Aerotherm 50 gallon heat pump water heater.   The new heat pump water heater is set…

Hello Everyone.I have a home from the 70's that I have been renovating slowly. Currently has blown in fiberglass insulation and looking to improve my energy efficiency. I am looking to…

I own a large historic commercial office building - 200,000 square feet.My goal is to convert it into 180 apartments.   The positive is I have 2 surface parking lots on…

Hello, I have this base overhang that houses the gas fireplace (Pic. 1). The builders (or some previous owners) had put 2x10 boards to cover the base, all the way to…

Location:Northern MinnesotaShort Question: I have condensation in my walls caused by suspected inward solar vapor drive. The walls are currently insulated with fiberglass batt insulation and a poly vapor barrier on…

I’m planning an uninsulated outdoor shower that will be attached to (but outside of) the building envelope of our new construction slab on grade home (12” frost depth).  Laying sub…

ZONE 5, Chicago area.One story educational.Existing construction 8" CMU with brick exterior, Z-channel horizontal furring on interior with 1.5" foam, then drywall with no drainage, air, or vapor barriers, except…

The basic question:Is there any reason why we couldn't use a flash-and-fill (foam+cellulose) insulation approach on a double-stud wall (probably about 12" overall), using open-cell spray foam instead of closed-cell,…

Hey all,I have the rafon barrier in with insulation and pex on top.  Yhe concrete sub was just about to drive some one inch stakes, for form support, through the…