Green Homes News

Double-Stud Wall vs. Exterior Insulation

Green Homes 2 - Mon, 2022-09-12 02:00
A high-performance wall assembly is a given, but which one makes the most sense?
Categories: Green Homes

Insulating existing Brick wall in Bathroom Alcove

Green Homes 2 - Sun, 2022-09-11 19:39
Hello and Thank you in advance,I started demo on my first floor bathroom of my 1965 Zone 5 (Northwest NJ) House today. Behind the tile of the alcove for the…
Categories: Green Homes

Retrofitting insulation & air sealing to attic to adjoined wall

Green Homes 2 - Sun, 2022-09-11 14:47
Hi all, I'm requesting feedback on my plan to insulate & add air sealing to a shared wall between a 1st floor attic side wall and an adjoining 2nd floor wall…
Categories: Green Homes

ICF vs Zip/External Insulation

Green Homes 2 - Sun, 2022-09-11 13:46
Curious what people who have built high performance houses using both ZIP+external insulation and ICF construction feel about the two different construction methods?  I know a lot of people are…
Categories: Green Homes

Studio set up and Excess heat removal

Green Homes 2 - Sun, 2022-09-11 12:36
We currently have an almost 1600sqft home on slab. we have a 3ton HVAC unit in a spider system setup with one centralized return in a hallway near the two…
Categories: Green Homes

Shower temperature lag

Green Homes 2 - Sun, 2022-09-11 09:33
Our house layout has the shower control valve on a different wall from the shower head.  Our architect has warned against this, due to the lag time when you adjust…
Categories: Green Homes

Detail for kitchen counter extending onto interior window sill

Green Homes 2 - Sun, 2022-09-11 09:01
We are starting construction drawings for our house, and the design calls for the kitchen counter (e.g. behind the sink) to extend, at the same surface height, to the window…
Categories: Green Homes

Waterproofing an already tiled shower

Green Homes 2 - Sun, 2022-09-11 08:45
Hello. Does anyone have suggestions for how I can possibly waterproof my shower without needing to take the tile off? Our contractors somehow left out the Kerdi system for our…
Categories: Green Homes

Outside Corner Zip Sheathing – Tape or Not?

Green Homes 2 - Sun, 2022-09-11 04:31
What happens if a builder does not tape the outside corners of zip sheathing (NOT zip R)? In addition, some of these corners are not installed such that one side…
Categories: Green Homes

Attaching rigid foam on top of poly at interior slab edge

Green Homes 2 - Sun, 2022-09-11 04:29
Hello everyone,I have a foundation in Climate zone 6 and have just installed 2" of XPS foam horizontally in preparation for the slab pour (side note: tried to source both…
Categories: Green Homes

A video question on below exterior door gap with exterior insulation

Green Homes 2 - Sat, 2022-09-10 19:25
How to fill the void below this door?  3" roxul on each side.  Please see video -->
Categories: Green Homes

Radiant Floor Over Vented Crawlspace

Green Homes 2 - Sat, 2022-09-10 19:04
We are working on a renovation project in the Pacific Northwest over a vented crawlspace which is to remain unconditioned. Proposed Floor Assembly:- Engineered wood flooring.- Hydronic radiant subfloor.- (E)…
Categories: Green Homes

Moovair heat pump

Green Homes 2 - Sat, 2022-09-10 09:44
Is anyone familiar with the quality/durability of the Moovair Heat Pump brand ( are in Vancouver, BC (Zone 4) and replacing a Carrier gas furnace & AC with centrally-ducted heat…
Categories: Green Homes

Radon issue with crawlspace and no return ducts

Green Homes 2 - Sat, 2022-09-10 08:12
The HVAC "return" in our house is actually the crawl space - no ducts at all! The crawl space is unvented, sealed, and generally below ground so I can see…
Categories: Green Homes

Electrical wiring – alternatives to in wall

Green Homes 2 - Sat, 2022-09-10 06:53
Read an article on a house in Germany that put all the electrical in copper tubing that is exposed to the interior, instead of inside the walls and ceilings. The…
Categories: Green Homes

Cabin insulation

Green Homes 2 - Sat, 2022-09-10 05:44
Building  a cabin, will be using  a post and beam foundation, 2×12 joist and 2 feet above grade. What is the best practice  for insulating  the floor? Cabin  is located…
Categories: Green Homes

Climate zone 5 whole house strategy questions/ advice

Green Homes 2 - Fri, 2022-09-09 16:51
I have been remodeling my house in Syracuse, NY. My county is on the line of zones 5 and 6 in central NY.  Over the last few years I have…
Categories: Green Homes

Tricky Crawl Space Insulation Question

Green Homes 2 - Fri, 2022-09-09 16:51
I have 4 cottages that were at one time seasonal (not insulated).The cottages are built on concrete piers with open crawl spaces that vary in height from 2" to 2".Over…
Categories: Green Homes

Guidance calculating room CFM requirements based on heat load

Green Homes 2 - Fri, 2022-09-09 14:19
Hello people. BackgroundNew home construction. Zone 3 southern Utah, 2100 sqft, one level. CDD 4293, HDD 1545 (1/31/2022 Las Vegas station). Manual J load calcs 14,850 heating, 16,730 cooling. House, tight and…
Categories: Green Homes

Effect of AGW (anthropogenic global warming )

Green Homes 2 - Fri, 2022-09-09 10:02
In recent days I've come to a startling realization. Those of us in California don't have the luxury of debating whether agw is real. Just three days ago my area…
Categories: Green Homes


RMC facebook RMC twitter
Scroll to Top