Green Homes News

Thoughts on flat roof detail? Protected membrane with gravel

Green Homes 2 - Sat, 2024-01-20 13:42
I came across this detail on Youtube.  I'm developing infill townhomes with a low slope assembly in climate zone 5B.  On past projects we've done flat roof deck using tapered…
Categories: Green Homes

Secure Vertical XPS at Foundation Stem Wall

Green Homes 2 - Sat, 2024-01-20 13:22
Hey All,I've decided to have the excavation company clear out the garage's slab below grade to add XPS for radiant tubing.  The XPS is only reaches about 6 inches in…
Categories: Green Homes

New House Ventilation

Green Homes 2 - Sat, 2024-01-20 12:26
I am thinking of this setup for whole house ventilation for my new home and would appreciate any insight or critique.The house is in Minnesota. Energy efficient and air-tight construction.Current HVAC…
Categories: Green Homes

Stopping exterior wall insulation at attic level with a vented attic

Green Homes 2 - Sat, 2024-01-20 10:09
Hello, I am having 2 or 3" of rockwool comfortboard 80 installed on my walls over zip sheathing with a 1x4 batten rainscreen over it. My house will have a…
Categories: Green Homes

Hot roof or vented roof for sunroom converted from screened in porch?

Green Homes 2 - Sat, 2024-01-20 08:37
I'm converting a screened in porch to a sunroom on a 1962 home in Central Ohio (Climate Zone 5A). After installing windows and framing the walls, I've pulled the old…
Categories: Green Homes

Faced Fiberglass Batt in a knee wall with foam fastened over studs BEHIND it

Green Homes 2 - Sat, 2024-01-20 07:18
I have a gambrel roof where the exterior wall of the conditioned space has no sheathing behind it. how should I insulate that wall? and what should I secure to…
Categories: Green Homes

Overhead lighting

Green Homes 2 - Sat, 2024-01-20 06:07
Ideas on wiring overhead lighting without cutting openings for junction boxes?  Pancake boxes surface mounted on the tongue and groove ceiling are not big enough to meet code.
Categories: Green Homes

Insulation Plan (Exterior/Interior)

Green Homes 2 - Fri, 2024-01-19 22:58
I am doing planning for insulation and air sealing details. I’ve been reviewing IRC requirements and looking over permeance information trying to understand what my best course of action would…
Categories: Green Homes

Can psychics help with anything?

Green Homes 2 - Fri, 2024-01-19 16:02
I would like to know how much psychics can help in everyday life. Have any of you had experience communicating with psychics and felt that their abilities really helped in…
Categories: Green Homes

Non-toxic, fire resistant roof insulation for unvented roof

Green Homes 2 - Fri, 2024-01-19 14:33
I am following up on a thread started here a couple years ago by someone else:https://www.greenbuildingadvisor.com/question/unvented-attic-insulation-optionsI am building a home with an unvented mono-pitch roof in climate zone 6 in…
Categories: Green Homes

Kraft faced insulation

Green Homes 2 - Fri, 2024-01-19 13:05
My hardware store only stocks kraft faced batts. Everything I read says because of challenges with insulation the kraft face will never be affective. So why sell it with the kraft…
Categories: Green Homes

Insulation For Detached Garage

Green Homes 2 - Fri, 2024-01-19 10:12
I have a Detached Garage 24x48 that Im looking to make a nice man cave we can hang out in year round. It has soffit vents and 2 roof vents. I…
Categories: Green Homes

Should roof underlayment be seam taped?

Green Homes 2 - Fri, 2024-01-19 09:41
I have a vaulted ceiling with tongue and groove decking overlaid with osb for shear.  There is lapped vb armour under layment layer over that osb.  R30 polystyrene panels (…
Categories: Green Homes

Tight enclosure and gas appliance vents

Green Homes 2 - Fri, 2024-01-19 08:23
How do you get a tight house if you have a back up gas burner for water heating?  There is the necessity for make up air supply plus the exhaust…
Categories: Green Homes

Efficiency Without Sufficiency Is Lost

Green Homes 2 - Fri, 2024-01-19 02:00
Let’s learn to live well with “frugal abundance.” We can start by adopting the dictum “enough is plenty.”
Categories: Green Homes

Spray foam / air sealing sill plate in finished basement?

Green Homes 2 - Thu, 2024-01-18 21:22
I'm finishing my basement in Boston and I have installed 1.5" XPS (yes should have used EPS but it's already been done!) rigid foam from the bottom to the top…
Categories: Green Homes

Insulating Deep Parallel Chord Trusses

Green Homes 2 - Thu, 2024-01-18 18:50
Hello all, we are getting towards wrapping up our house plans and getting some structural details finalized.  Our house has a vaulted room with a 12/12 pitch inside and out. …
Categories: Green Homes

Improve air sealing and thermal insulation at an unusual ceiling to wall detail

Green Homes 2 - Thu, 2024-01-18 18:50
I have an air sealing and thermal insulation dilemma. I live in Dublin Ohio and my home was built in 1984.My home is 2X4 platform framed with brick and stucco…
Categories: Green Homes

Long-term serviceability: Fujitsu vs Mitsu?

Green Homes 2 - Thu, 2024-01-18 16:23
A friend of mine is choosing between the  AOUG12LZAS1/ASUG12LZAS or the MUZ-GL12NA***/MSZ-GL12NA*** in climate zone 4C for an ADU.He wants to go with the Fujitsu (better capacity at 17° and…
Categories: Green Homes

Unvented Roof for an existing Barnodiminium

Green Homes 2 - Thu, 2024-01-18 16:01
I have attached a drawing of the proposed roof remodel. At present there is sheetrock to the underside of the purlins, the MBI blanket over the top of the purlins,…
Categories: Green Homes

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