Green Homes News

Thermal Bridging on a Brick Building

Green Homes 2 - Mon, 2022-07-04 02:00
A layer of rigid foam has been left out. What now, and who pays?
Categories: Green Homes

Energy efficient shed update and some questions about sealing vapor barrier

Green Homes 2 - Mon, 2022-07-04 01:57
The insulated shed project is moving along now.  The goal is to build a 100 sq ft shed in a climate similar to Seattle (but in Canada,) that I can…
Categories: Green Homes


Green Homes 2 - Sun, 2022-07-03 17:29
Hey ya'llAnyone have shims they really like for door and window installs? Plastic preferred. These are alum clad with nail fin so flat shims would be best. I am tired of…
Categories: Green Homes

West-facing thermopane windows with insufficient overhang – film, storm window, low e replacement?

Green Homes 2 - Sun, 2022-07-03 16:08
I have a contemporary house with a 20' wide x 22' high west facing window wall and 12-12 pitch roof.  There are four modules across, 5' wide each.  There are…
Categories: Green Homes

Rainscreen needed?

Green Homes 2 - Sun, 2022-07-03 13:37
Hello. I recently finished a new construction home. The plans called for a rainscreen (furring strips) but the builders did not have it done. I'm wondering if I will have…
Categories: Green Homes

Type XIV EPS for window buck.

Green Homes 2 - Sun, 2022-07-03 10:12
Thermalbuck is type XIV foam covered with vinyl material.  The foam itself is 40PSI and with the vinyl its ~50psi.  Why can't we just install the windows over the Type…
Categories: Green Homes

HVAC Contractor says 2nd floor doesn’t have enough supply

Green Homes 2 - Sun, 2022-07-03 09:19
Just wrapping up building a high performance house in Zone 7 Northern Wisconsin. I have a Mitsubishi 2.5 ton heat pump and air handler ducted through the house along with…
Categories: Green Homes

Where does insulation fit in below grade waterproofing?

Green Homes 2 - Sat, 2022-07-02 22:50
Hello!I am aiming to waterproof and insulate some below grade concrete footings I am trying to understand where to orient the dimple mat in relation to the insulation. I drew…
Categories: Green Homes

Product recommendations/ details for air-sealing subfloor under T&G fir finish flooring

Green Homes 2 - Sat, 2022-07-02 13:09
Hello all. Trying to wrap up construction this summer on a two story ADU, 600 SF apartment above heated 250 SF studio and unheated 350 SF single car garage. Climate…
Categories: Green Homes

Any feedback on structural EPS foam houses?

Green Homes 2 - Sat, 2022-07-02 07:40
They're just cutting enormous wall blocks of foam and then using polyurethane foam-glue to cement them together, and facing them in a "concrete" gunite / stucco.  I don't see how…
Categories: Green Homes

Exterior XPS upgrade on a manufactured home?

Green Homes 2 - Fri, 2022-07-01 13:21
We are replacing the siding on a double-wide manufactured home, and so think it might be a good idea to add a layer of 1.5’ XPS to the exterior walls…
Categories: Green Homes

How to insulate/ventilate pyramid roof

Green Homes 2 - Fri, 2022-07-01 07:19
Good Morning All.I am looking to insulate my detached garage. It is a 25x25 structure with a pyramid hip roof. Currently, the roof is not insulated at all and there…
Categories: Green Homes

Webinar recordings

Green Homes 2 - Fri, 2022-07-01 06:06
June 30 there was a webinar called "Expert Exchange: All About Indoor Air Quality".  I tried searching this morning to see if a recording is available but could not find…
Categories: Green Homes

Wood floor install

Green Homes 2 - Fri, 2022-07-01 05:51
Hello. I am doing engineered wood floors over advantech subfloors. Is there supposed to be a vapor barrier between the subfloor and wood floors?
Categories: Green Homes

More Insulation and Heat Pumps on Government To-Do List

Green Homes 2 - Fri, 2022-07-01 02:00
With only skimpy details in hand, manufacturers weigh impact of Biden administration's call to arms
Categories: Green Homes

Duct Heat Pump Water Heater into Minisplit ducts for cooling?

Green Homes 2 - Thu, 2022-06-30 21:34
If I am putting a minisplit air handler in the basement to heat and cool the first floor via ducts and floor registers, during the cooling months could I duct…
Categories: Green Homes

Where to caulk wood siding?

Green Homes 2 - Thu, 2022-06-30 20:49
I live in a 1920 wood sided house in Climate Zone 4.  We're in the process of removing the vinyl siding and painting the old clapboards.  The old siding is…
Categories: Green Homes

Floor mounted mini split aesthetic cover?

Green Homes 2 - Thu, 2022-06-30 17:42
Hello, I am in the process of choosing the location to install a floor mounted Fujitsu minisplit (12RLFFH). The unit is going to cover a large open plan kitchen, living room,…
Categories: Green Homes

Uh Oh!

Green Homes 2 - Thu, 2022-06-30 15:00
I will say up front that I'll probably be embarrassed tomorrow to have posted this today. However, if I don't post it now, I'm sure my courage will wane by…
Categories: Green Homes

TXV versus VRF air source heat pumps

Green Homes 2 - Thu, 2022-06-30 13:31
Folks.  I need to understand the fundamental difference between these two heat pump technologies.  I am familiar with the basics of VRF, not so much TXV.  Short time line related…
Categories: Green Homes


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