Green Homes News

Hi everyone,For context, I'm building a one story 1000sf house in Quebec, Canada (slab on grade with frost protected foundation walls).I'm planning to use BC fir planks for all interior…

All five of our exterior doors are leaking into the home at the corners at the bottom of the threshold with rain. They all leak in the same place even…

Our main flooring is a high troweled concrete floor which has concrete relief joints. Is it best to fill these or leave them open? If left open, there is one…

Instead of rigid foam or rockwool for exterior insulation, I will be using rockwool batts fitted between horizontal strapping on my sheathing. As such, my WRB will be on top…

GBA chats with architect, educator, and author Emily Mottram about what drives better building outcomes—from early client conversations to budget decisions and performance priorities

Hello.  Im building a new house in southeast Alaska, Zone 7. we get a lot of rain and winters can very widely from months of 0-20 degree weather to hardy…

Returning member here finally posting first question sorry if I picked the incorrect Category.We are replacing original roof on 1991 single story home in SE PA Zone 4a and doing…

Variable-capacity heat pumps aren’t immune to oversizing. When the minimum output is still too high, they stop behaving like variable systems

Alright, from the last question about vapor barriers in a steel building floor assembly (Is a vapor retarder/barrier good or bad between floors? - GreenBuildingAdvisor)I decided to insulate the 2x10…

I'm installing a small (18k), central ducted inverter heat pump, with the air handler in a very small attic of an otherwise cathedral ceiling house. It's an unvented cathedral roof…

Hello everyone,My name is Joe and I’m in the process of finishing my basement. I live between Baltimore and Annapolis Maryland which I believe is climate zone 4A. My foundation…

Home Depot sells type LC 8x8x16 concrete block. There are no stretcher block on the pallet, they're all the same and they look like you could use them as a…

Looking for a realistic assessment to replace my existing gas furnace with a ducted heat pump system here in St Paul (zone 6A), and I'm sure having the right contractor…

Hello, I'm working on a retrofit project on my 1940's house in climate zone 6B (NW Montana). I'm removing Vinyl siding, adding new WRB, 1.5" rockwool comfortboard, vertical furring strips,…

Part two of this series explores how salvaged steel and heavy timber were engineered and assembled into a functional structural system.

We are building a 1½-story home in Houston (Climate Zone 2) and want a high-performance enclosure without spray foam. The current design uses a vented attic with Rockwool insulation at…

The joint effort with design firm HGA provides critical checklists for people to fortify their homes

Climate zone 5A, southeast Michigan. Late 1800s house with a very shallow crawlspace with rubble stone walls.Looking to insulate and encapsulate the crawlspace. I've attached some crude sketches of the…

Details of the wall separating the home with the attached garage.Hi AllThis is a new home construction.I am attaching pics of the framing of my garage, and the common wall…

Hello,Im  air sealing and insulating an attic. It has a common soffit to ridge vent ventilation. Ceiling Joist have craft face and or foil faced insulation attached to the bottom…