Green Homes News

Rockwool over XPS ratio

Green Homes 2 - Wed, 2026-06-03 19:10
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…
Categories: Green Homes

Types of concrete block

Green Homes 2 - Wed, 2026-06-03 15:43
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…
Categories: Green Homes

Looking for heatpump HVAC contractor recs in Minneapolis/St Paul

Green Homes 2 - Wed, 2026-06-03 11:32
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…
Categories: Green Homes

Existing windows with Exterior Insulation + rainscreen retrofit

Green Homes 2 - Wed, 2026-06-03 08:41
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,…
Categories: Green Homes

Salvage First, Design Later: Engineering Challenges from Salvaged Components

Green Homes 2 - Wed, 2026-06-03 02:00
Part two of this series explores how salvaged steel and heavy timber were engineered and assembled into a functional structural system.
Categories: Green Homes

Can HVAC equipment and ducts be fully conditioned while maintaining a vented attic?

Green Homes 2 - Tue, 2026-06-02 09:11
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…
Categories: Green Homes

University of Minnesota Climate Adaptation Partnership Releases Its Climate and Weather-Ready Toolkit

Green Homes 2 - Tue, 2026-06-02 02:00
The joint effort with design firm HGA provides critical checklists for people to fortify their homes
Categories: Green Homes

Encapsulating a rubble stone crawlspace

Green Homes 2 - Mon, 2026-06-01 22:30
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…
Categories: Green Homes

Garage detalis – How to detail common wall between home and attached garage?

Green Homes 2 - Mon, 2026-06-01 22:24
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…
Categories: Green Homes

Whats the best way to air seal this type of ceiling

Green Homes 2 - Mon, 2026-06-01 10:41
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…
Categories: Green Homes

A Closer Look at Balloon Framing

Green Homes 2 - Mon, 2026-06-01 02:00
A look back at the ingenious methods carpenters used to erect full-height stud walls quickly and efficiently—often with little more than a few sawhorses and smart sequencing
Categories: Green Homes

Concrete-free slab questions

Green Homes 2 - Sat, 2026-05-30 14:26
I am considering a concrete-free slab for a small guest house (480 sf, one story) I'm planning in Zone 4A. I have a few questions about the method.1. For a…
Categories: Green Homes

One Carpenter’s Life

Green Homes 2 - Sat, 2026-05-30 02:00
A veteran framer recalls the postwar housing boom of the 1950's and how it changed the way we build
Categories: Green Homes

Best way to seal up vents in crawlspace in a new build

Green Homes 2 - Fri, 2026-05-29 16:10
I have a new build in a cold dry climate. The builder likes to put in vents so If there is a lot of rain during the build it can…
Categories: Green Homes

Passive House Accelerator: Fenestration & Ventilation Impacts on Occupant Health

Green Homes 2 - Fri, 2026-05-29 02:00
Passive House windows and balanced ventilation systems do far more than improve energy efficiency. Thoughtful fenestration and fresh-air strategies can improve comfort, indoor air quality, and occupant health every day
Categories: Green Homes

Please review my Shingle Gambrel Roof & Wall Assembly

Green Homes 2 - Thu, 2026-05-28 13:05
Hello. I am working on a new build in climate zone 4A.One side of the gambrel roof is squarely facing south. The other side is facing north. There is a basement,…
Categories: Green Homes

Insulated Subfloor Over Concrete?

Green Homes 2 - Thu, 2026-05-28 07:27
Thinking about adding a floating insulated subfloor over an old concrete basement slab to make the space warmer and more comfortable. Basement stays mostly dry with no visible water problems,…
Categories: Green Homes

Insulating around basement bracing beam

Green Homes 2 - Thu, 2026-05-28 07:19
Short time lurker, first time poster. Anyways, I recently had some basement walls jacked back into place and bracing installed. The walls required excavation due to the amount of deflection…
Categories: Green Homes

It’s Hard to Undersize a Heating System

Green Homes 2 - Thu, 2026-05-28 02:00
Think your heating system might be undersized? Data from real homes suggests that’s unlikely—and that oversizing is far more common.
Categories: Green Homes

Why Are Growing Families Choosing New Homes in Red Deer?

Green Homes 2 - Thu, 2026-05-28 01:26
For growing families, the decision to move into a new home in Red Deer is often driven by a combination of space, long-term value, and modern construction standards?New residential builds…
Categories: Green Homes

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