Green Homes News

Heating/Air Sealing an Old Barn for occasional use

Green Homes 2 - Sun, 2024-02-25 14:00
We are lucky to have a late 19th century wagon house in our back yard: a timber-frame with vertical wood siding and an old Pennsylvania gray slate roof on skip…
Categories: Green Homes

Furnace coil cleaner

Green Homes 2 - Sun, 2024-02-25 12:42
Is there a fragrance free product to use to clean furnace coils?  The have used a cleaner in the past and when unit came on that awful smell was sent…
Categories: Green Homes

Sealed and Encapsulated Crawl Space in Dry Denver

Green Homes 2 - Sun, 2024-02-25 11:51
I am building a new 280 sq foot addition with crawl space.  The Denver code specifies that with a sealed crawl space, the concrete walls are insulated but not the…
Categories: Green Homes

Harvest to flooring Process for local lumber

Green Homes 2 - Sun, 2024-02-25 10:45
A client asked a question that I don't really know the answer to.  I am in Vermont and the client is harvesting red oak from their property and hopes to…
Categories: Green Homes

Difficult Attic

Green Homes 2 - Sun, 2024-02-25 10:03
I've been trying to come up with a plan to insulate my old house's attic, and I'm having a hard time working out the best path forward. The roof was…
Categories: Green Homes

Mitsubishi mini split

Green Homes 2 - Sun, 2024-02-25 07:37
I have a new mitsubishi mini split.  The temp is set for 67 degrees.  For the past week the temps have varied from 48 to 73 degrees in the room. …
Categories: Green Homes

Closed cell on inside of Zip-R: Vapor sandwich?

Green Homes 2 - Sun, 2024-02-25 06:56
I've seen this a couple of times now, where a flash of closed-cell is sprayed on the interior of the zip-R foam.How risky is this assembly? I understand that there's…
Categories: Green Homes

In-Slab Ductwork Retrofit

Green Homes 2 - Sat, 2024-02-24 17:13
Hi GBA Community - hoping for some advice on how to approach in-slab ductwork that we have on our old house. For context, we're in the midst of planning a larger…
Categories: Green Homes

Matt Risinger and Longboard Aluminum Siding

Green Homes 2 - Sat, 2024-02-24 16:57
Here's a nice looking metal siding product called Longboard that should last decades. I was surprised to hear that it is made from 14 gauge metal - usually siding is…
Categories: Green Homes

Improving Flat Roof Insulation on Existing Home

Green Homes 2 - Sat, 2024-02-24 16:32
Hello house enthusiasts,I’m hoping for some confirmation/correction/advice in plain English regarding improving insulation on my existing home.The details:Northern NM, built 1986, <1,700sqft, single story, stucco exterior, 2x12 roof joists spaced…
Categories: Green Homes

ZIP tape rolling quality checks

Green Homes 2 - Sat, 2024-02-24 09:21
I'd like to preface this by saying that there are no builders in our area who are willing to even attempt to build to a high standard in terms of…
Categories: Green Homes

too much insulation?

Green Homes 2 - Sat, 2024-02-24 05:15
I am building a very simple ADU, 20 x 24 with a simple gable roof and double stud walls. One level, slab on grade. Southern Maine, zone 6I am planning…
Categories: Green Homes

Insulate attic rafters without spray foam

Green Homes 2 - Fri, 2024-02-23 20:32
I have a poorly insulated existing attic that I would like to improve. The attic is ventilated with soffit and ridge vents. The floor of the attic is insulated with…
Categories: Green Homes

Article on “the hidden cost of mini-splits” – hit job or real issues?

Green Homes 2 - Fri, 2024-02-23 16:54 first thought on reading this article was "I smell gas" - the natural gas lobby, that is.I read what I could find here, and got the impression that with…
Categories: Green Homes

Insect screen for weep holes?

Green Homes 2 - Fri, 2024-02-23 11:28
My house has late 1980s aluminum frame windows. I get a lot of problems with these tiny flies getting in (and possibly reproducing once they are in). My guess is…
Categories: Green Homes

Old house insulation follow up. – Spray foam, mineral wood, interior rain screen, Membrain

Green Homes 2 - Fri, 2024-02-23 09:56
We ultimately decided to demo the walls and now have full stud cavities accessible. It was about 60% full  of (settled) blown-in cellulose from 30-40 years ago. They are currently…
Categories: Green Homes

How to insulate a wood-framed chimney after converting to an electric fireplace?

Green Homes 2 - Fri, 2024-02-23 08:05
We converted a wood-burning fireplace to an electric one. The chimney outside is covered with GreenGuard house wrap under cedar boards. The chimney inside is not insulated except all around…
Categories: Green Homes

Rafter Tail Removal for Home Performance Upgrade

Green Homes 2 - Fri, 2024-02-23 02:00
A “chainsaw retrofit” was the solution for creating continuous air and thermal barriers from wall to roof on an old timber-frame farmhouse
Categories: Green Homes

Unvented roof assembly

Green Homes 2 - Thu, 2024-02-22 18:17
Currently framing a home in Southern California (climate zone 3A), that contains “California Gables“. The hip roof is framed with a few small sections that contain a gable framed on…
Categories: Green Homes

4″ rigid foam under slab/on slab edge/stem wall perimeter insulation

Green Homes 2 - Thu, 2024-02-22 13:40
Hi,I am planning a tradition slab on grade using stem walls/footings and isolated radiant heated slab. I am planning 4" (R-20) rigid foam all around for under the slab, at…
Categories: Green Homes


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