Green Homes News

Flashing windows with integral J-channel

Green Homes 2 - Mon, 2025-06-16 01:12
Hi, when flashing windows with integral j channel is there some sort of kick out flashing at the bottom to divert water out over (vinyl) siding when it flows down…
Categories: Green Homes

Exterior insulation in zone 4b

Green Homes 2 - Mon, 2025-06-16 00:04
My garden shed is built. I am cladding with 10” half log white pine, horizontally. I would like to add exterior insulation under the pine. The windows are already installed. what products are…
Categories: Green Homes

Two WRBs?

Green Homes 2 - Sun, 2025-06-15 19:02
I'm working on a house, in Climate Zone 6. The walls are wood framed with vapor barrier (membrain) on the interior. They are sheathed with 5/8" CDX plywood, then Blueskin…
Categories: Green Homes

Vented or non vented roof for shed?

Green Homes 2 - Sun, 2025-06-15 12:44
Help me get out of my head on this one. We are in the process of finishing a 10x12 shed kit. Ultimately it will be conditioned space: not sure if we…
Categories: Green Homes

2 options for new HVAC system, which would you choose?

Green Homes 2 - Sun, 2025-06-15 06:28
Hi, we have a 1870 square foot duplex with 3 floors. The first floor is one unit and the second and third floors are another. Currently there's a natural gas…
Categories: Green Homes

ICF and Frost Protected Shallow Foundation R-Value Requirements

Green Homes 2 - Fri, 2025-06-13 16:06
Does anyone know if both layers of EPS (exterior/interior) count towards the required R-value in a FPSF. In particular, the vertical R-value needed. Or, is it just the thickness of…
Categories: Green Homes

Wood Siding Splashback Solutution

Green Homes 2 - Fri, 2025-06-13 13:15
Hey All,One more wood siding question for the group. I know that many recommend against a stone veneer with wood sheathing and framing (even when done right with multiple drainage…
Categories: Green Homes

aeroseal leak

Green Homes 2 - Fri, 2025-06-13 11:45
I had aeroseal applied in my house and there was a large leak due to lack of proper seal on ducts . as a result I need to use an…
Categories: Green Homes

Whole Home Remodel – Spray Foam & IWS Issues?

Green Homes 2 - Fri, 2025-06-13 11:20
Hi all, In looking through the Q&A forum, I see a number of questions with very similar details to mine, but given the stakes I'd like to make sure I get…
Categories: Green Homes

Foundation wall below-grade exterior waterproofing: Builder questions wisdom

Green Homes 2 - Fri, 2025-06-13 09:02
For my new home build I'm spec'ing waterproofing of below-grade foundation walls with something like Tremco Tuff-N-Dri.That's based on reading as much as I could find about this topic, including…
Categories: Green Homes

Understanding the Energy Code: Determinations and IECC Efficiencies Over Time

Green Homes 2 - Fri, 2025-06-13 02:00
Adoption, enforcement, and execution mean more than the determination
Categories: Green Homes

Exterior Trim details for round window and metal siding

Green Homes 2 - Thu, 2025-06-12 18:19
Hi all, I’m installing a “outie” round Upvc window (flush with exterior insulation), then 1/2” furring strips and vertical metal panel siding.  My original trim detail is unfortunately no longer…
Categories: Green Homes

Storm Damage Repair–Additional Issue Found related to vapor barriers

Green Homes 2 - Thu, 2025-06-12 15:54
I am in zone 2.  I am working on repairing a storm-damaged house that was built in about 1914 and is not air sealed. It was added onto in 2000…
Categories: Green Homes

Exterior Roof Insulation and Externally Vented Roof

Green Homes 2 - Thu, 2025-06-12 15:03
We are located in northern NJ. We are starting an energy retrofit. We will have 3” mineral wool on the exterior walls. For the exterior roof deck, should we go…
Categories: Green Homes

Spray Foam and Ice and Water Shield

Green Homes 2 - Thu, 2025-06-12 14:19
I'm currently in the midst of a fairly substantial interior remodel and part of the renovation is completely gutting and reinstalling a bathroom beneath an unvented dormer. We found a…
Categories: Green Homes

ERV V150E75NT airflow problems

Green Homes 2 - Thu, 2025-06-12 14:14
Hi, I have a recently renovated 100 year old home (2100sq ft on 3 floors)  with a newly installed Vanee V150E75NT installed alongside a small air handler.  The unit claims to…
Categories: Green Homes

Off Grid water Heating

Green Homes 2 - Thu, 2025-06-12 13:43
We are looking for the best way to heat water off grid. I would like to avoid propane. We have a 14.5kw solar system. I’ve been going back and forth…
Categories: Green Homes

Fastening Vertical Wood Siding

Green Homes 2 - Thu, 2025-06-12 07:11
Hey All,I know versions of this question have been asked before, and i've spent a good bit of time reading similar questions /responses/recommendations from over the years. I also know…
Categories: Green Homes

Door sill detail for concrete slab on grade

Green Homes 2 - Thu, 2025-06-12 02:33
Problem statement - new construction, slab on grade with R10 slab edge insulation - How to install entry door with extended Endura sillIn the attached detail I'm showing a concept…
Categories: Green Homes

You Don’t Need a Load Calculation

Green Homes 2 - Thu, 2025-06-12 02:00
ACCA Manual J isn't the only method for sizing heating and cooling systems
Categories: Green Homes

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