Green Homes News

Ice / Water shield went down before drip edge.

Green Homes 2 - Mon, 2024-04-08 08:04
My roofer couldn't get over prior to a bunch of rain in the forecast so I told my framer to put the ice/water shield on... My error.  Now the ice…
Categories: Green Homes

Getting Good Results from Fiberglass Batts

Green Homes 2 - Mon, 2024-04-08 02:00
This less-favored insulation type will do a good job of slowing heat loss, if key details are attended to during installation
Categories: Green Homes

1931 unvented flat roof

Green Homes 2 - Sun, 2024-04-07 17:01
Hello all,New member here.  I'm located at around 7k feet up in the New Mexican mountains.   We do get a few inches of snow in the winter and a monsoon…
Categories: Green Homes

How to size a heat pump water heater for large range of demand

Green Homes 2 - Sun, 2024-04-07 15:37
Questions are at the end.Background - environment, infrastructure and loadsWe are building an addition on our 60-year old home, making this a good time to replace our 27 year-old water…
Categories: Green Homes

Alternative Rafter Tie Connections

Green Homes 2 - Sun, 2024-04-07 12:54
I will be using I-joist on the attic floor; however, most manufactures state they are inadequate as rafter ties. I was wondering if I could lay a 2x4 on top…
Categories: Green Homes

Insulation Plan for a Non-Vented Attic & a Open Carport beneath a Conditioned room

Green Homes 2 - Sun, 2024-04-07 12:49
I'm building a home in Vermont and recently asked a question about my low slope cathedral ceiling, thank you for the responses on this blog they were very helpful.I have…
Categories: Green Homes

Drainage plane between exterior insulation layers?

Green Homes 2 - Sun, 2024-04-07 10:14
Hello! Have a question on  drainage planes when using multiple layers of exterior foam insulation. Would you recommend doing a textured drainage plane on the face of the sheathing AND…
Categories: Green Homes

Where to sell unused construction materials (MemBrain Vapor Barrier 5x)

Green Homes 2 - Sun, 2024-04-07 08:18
Hello, Any advice on where to re-sell unused construction materials that one cannot return? I have 5x unopened Membrain Vapor Barriers that I am unable to return. a) anyone want to buy them…
Categories: Green Homes

How much Insulation makes sense?

Green Homes 2 - Sun, 2024-04-07 07:50
There seems to be an endless amount of discussion on this siteabout the amount and type of insulation that make sense for oneproject or another. The answer invariably given is…
Categories: Green Homes

Eco-Friendly Approach Home Security in Florida

Green Homes 2 - Sun, 2024-04-07 05:48
In today's world, balancing home security with environmental responsibility is increasingly important. Thanks to advances in technology and a shift towards sustainable practices, it's possible to achieve both. This article…
Categories: Green Homes

Why Going Green Will Increase the Value of Your Home

Green Homes 2 - Sun, 2024-04-07 05:28
If you’re considering making some green improvements to your home this year but aren’t sure if this represents a good investment, we’ve got great news. Many green improvements will not…
Categories: Green Homes

Unvented Low Slope Cathedral Ceiling with EPDM Roof

Green Homes 2 - Sun, 2024-04-07 03:00
I'm building a new home in Vermont with a large living room that has a 1/12 pitch cathedral ceiling.  The roof is constructed with 16" LVLs spanning the entire width,…
Categories: Green Homes

Air sealing attic – how do I address tight roof corners?

Green Homes 2 - Sat, 2024-04-06 23:03
Just had some original 1967 vintage r15 mineral wool batts pulled from my attic and will attempt to do my own air sealing. I have a shallow pitched roof so…
Categories: Green Homes

10 Mil Stego and Vertical XPS Layer Order

Green Homes 2 - Sat, 2024-04-06 12:50
All,Our plans call for 10 mil under the XPS of our slab-on-grade house in Idaho with vertical XPS at the stem walls and under the slab (see atch'd image).The contractor…
Categories: Green Homes

Radon with Slab on Grade – How much pipe is enough?

Green Homes 2 - Sat, 2024-04-06 12:36
Hey All,We are working on our slab-on-grade, single level, 2100 sf house in Idaho.  Just in case we find radon seeping in, I want to have some mitigation measures in…
Categories: Green Homes

Distribution Efficiency in upper Midwest basement

Green Homes 2 - Sat, 2024-04-06 08:58
I am an energy auditor in the upper Midwest, and I am trying to figure out how to accurately account for the benefits of duct sealing in what is very…
Categories: Green Homes

Dimpled Membrane as Thermal Break Under Steel Stud track in Basements

Green Homes 2 - Fri, 2024-04-05 22:19
Hi everyone,  I'm planning to use a dimpled membrane (R value 4) under steel stud track on a concrete slab in my basement. The goal is to prevent thermal bridging. I'd…
Categories: Green Homes

Rim joist insulation – masonry cavities and no sill plate

Green Homes 2 - Fri, 2024-04-05 16:26
Hello all, I live in zone 5a in a 100+ year old house. I’d like to insulate my rim joists (rigid foam with a spray foam perimeter) and I’m curious…
Categories: Green Homes

barrier between metal roof & rigid

Green Homes 2 - Fri, 2024-04-05 13:09
new residential construction in 5b. bottom to top unvented assembly: plywood, sa membrane (adhero), 6" polyiso, then metal roof. then likely solar on top of metal.is it advised to install…
Categories: Green Homes

Early 1970’s Reno: Options for upgrading insulation and air / vapor sealing from the inside?

Green Homes 2 - Fri, 2024-04-05 12:32
Hello! I wanted to start by thanking everyone for their contributions; I've learned a lot from you all.I'm trying to figure out the best way to upgrade our insulation and…
Categories: Green Homes

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