Green Homes News

My question is what fasteners should I use when attaching subflooring on the bottom side of a raised floor? Specs below.I know that Huber recommends #8 or #9 screws, but…

I'm building a 28x30 garage in northern Vermont with conditioned space above, two bay garage below will be unconditioned. The back half of the garage will be set into a…

CZ 3A/4A (N GA area)2001 gut renoOur insulation company wants to use kraft-faced R-38 batts on our attic floor (blown-in would be much more difficult because of accessibility issues). They…

Any tips on ways to foam behind an electric box that has already been drywalled around? I don't think there is any way to remove the box without damaging the…

In our attic, sometimes when it rains really hard, we get a leak in our attic that then appears in our bedroom underneath it. My big question is: Is the…

I had a vetted HVAC company install a mid static ducted 9K mini split for me using third-party duct design. They spec’d a 20 x 10 x 2 return filter…

BTU's and Joules, comfort, and energy...how they are all interconnected

I'm curious why I see so many people run a bead of sealant around a new window opening, install the window, and then tape over the flanges anyway. Is this…

Working on a Spanish-style property in Los Angeles, CA and we're installing a Napoleon EX42 direct vent gas fireplace.  Instead of using the standard roof terminal/cap we'd like to make…

Is there an effective way to use batts below the sheathing when using trusses?  I am building a roof structure that has 4 to 5 inches of poly on top of…

I have 40 feet of square metal ducting in an attic. It is subject to extremes of temp and humidity.  I am located in climate zone 5A, southern NH.  Currently…

Hi all,I'm looking for advice on adding soffit ventilation. My attic was originally built as an unvented space with spray foam insulation, but we're now transitioning to a traditional vented…

What is the best way to seal within this type of exterior conduit? It is carrying wiring for the air conditioner. I was thinking of using duct seal compound, but…

I'm working on a roofing project where I'll be putting in a new deck with 19/32 plywood. This particular plywood pictured is Plytanium brand that I purchased from Lowes. I…

I'm insulating (rockwool) the wall between our mid-century home and the attached garage.  Garage was built with the home in 1964.  I intend to add strapping to the 2 x…

Hi all. I am hoping for guidance on the best way to insulate a converted covered deck. My understanding is that this deck was built with the intention of it…

Hello GBA Community, My name is Mike.I want to start by saying that I really appreciate all the contributors on this platform.  I have learned a great deal from all of…

We are getting ready to build and because we are doing some of the end work ourselves (insulation, molding, cabinets), our contractor is requiring a Hold Harmless agreement be signed.…

A friend of mine is doing a new build in Oklahoma, climate zone 3A.  Their builder is planning on doing zip sheathing, with brick cladding and then stucco directly over…

The development of International Energy Conservation Code (IECC) and how the 2021 edition changed that process