Green Homes News

Mitsubishi Mini Splits

Green Homes 2 - Sun, 2024-12-01 08:18
We recently purchased a home where the prior owner had installed $24,000 of Mitsubishi hyper heat mini splits for heating. So far the experience has been terrible. The units can kick out…
Categories: Green Homes

Door threshold details?

Green Homes 2 - Sun, 2024-12-01 08:08
Any details available for air/water connections for US style aluminum door thresholds?I looked at the new 475 "Smart Enclosure" details; they show a window detail that seems likely to also…
Categories: Green Homes

Rim Joist Insulation Assembly with Exterior XPS

Green Homes 2 - Sun, 2024-12-01 06:50
I know this question has been brought up before, but I'm not sure I've seen a conclusive answer on the best approach.  I have 1" of exterior XPS insulation.  What is…
Categories: Green Homes

Spray foam direct on dirt foundation

Green Homes 2 - Sun, 2024-12-01 05:48
Can spray foam insulation be applied directly to dirt with 2” gap to floor joists without moisture barrier?then spray underside of subfloor and seal seams from top side?
Categories: Green Homes

Sill seal under or outer or?

Green Homes 2 - Sat, 2024-11-30 20:51
I have a project about to start framing. It is slab on grade and I will fully tape or liquid (Zip) flash the sheathing (Zip again) to the slab top…
Categories: Green Homes

Stack effect in airtight house

Green Homes 2 - Sat, 2024-11-30 13:28
I built a 2 story 2000 sqft house in southern Vermont with zip sheathing and double stud walls with 12 inches of dense pack cellulose and 22 inches of cellulose…
Categories: Green Homes

Air Sealing and Insulating Masonry Walls

Green Homes 2 - Sat, 2024-11-30 08:25
We're in the process of renovating part of a late 19th century carriage house in Philadelphia.  The stem walls are Wissahickon Schist and change to triple wythe brick about 3o"…
Categories: Green Homes

Wall detailing and siding for uninsulated barn build?

Green Homes 2 - Sat, 2024-11-30 07:53
I am getting ready to build a barn near my new, airtight and humidity / ventilation manage home…so very much a different build.i am planning to stick build and for…
Categories: Green Homes

New Tight House – Negative Pressure – Wood Stove Causing Issues – Make up Air issue?

Green Homes 2 - Sat, 2024-11-30 07:29
Hello!Just recently finished and moved into our new Construction house.  First (and last) house I built and designed myself with zero prior experience.Western MA, Zone 6.  3 indoor mini split…
Categories: Green Homes

Is a rainscreen mat more important than exterior insulation if only one can be installed behind fiber cement cladding?

Green Homes 2 - Fri, 2024-11-29 22:00
Homeowner Long Island NY.  Having new fiber cement siding installed soon.  Everything has been finalized but there is still an open question about whether to use a rainscreen mat or…
Categories: Green Homes

Exterior basement coating conundrum

Green Homes 2 - Fri, 2024-11-29 12:52
I own a 1350 sq/ft SFR in Maryland built in 1958. Walk-out basement on sloped lot.  The front basement wall entirely underground and the rear-most wall 2’ underground.  The visible…
Categories: Green Homes

Upgrading to Continuous Insulation– Keep Interior Poly Barrier?

Green Homes 2 - Fri, 2024-11-29 12:12
My home, located in Minnesota, was built in the late 70s. The construction is 2x4 walls with batt insulation. There is NO solid sheathing. Instead of plywood there is  1"…
Categories: Green Homes

Tyvek + Drip Cap Question – Is this OK?

Green Homes 2 - Fri, 2024-11-29 10:19
I'm back with another check-in as I just had some window trim installed in preparation for some board and batten-style metal siding.I've read varying things regarding the order of operations…
Categories: Green Homes

how should you think about heating load for a garage?

Green Homes 2 - Fri, 2024-11-29 09:49
I'm building a 3-bay garage (L-shaped with one 40' tandem portion and a 20' single car portion) which is approx. 600 sq ft in size and has 13' ceilings.I'd like…
Categories: Green Homes

Garage insulation help please

Green Homes 2 - Fri, 2024-11-29 05:54
Hi new member here and this site seems really great!  I am trying to insulate my garage to convert it to a golf simulator for the winter months.  I live…
Categories: Green Homes

Footing drainage needed on top of interior waterproofing system?

Green Homes 2 - Fri, 2024-11-29 05:45
Hi all,I'm in the middle of rebuilding a cabin that sits downhill from a decent slope. I already have a french drain to intercept surface water coming down from the…
Categories: Green Homes

InSoFast for Basement Insulation

Green Homes 2 - Fri, 2024-11-29 02:00
A rundown of the properties of this EPS foam insulation product that solves for heat, air, and moisture flows
Categories: Green Homes

Can tyvek carefully taped be as robust of an air barrier as exterior foam insulation?

Green Homes 2 - Fri, 2024-11-29 01:54
Homeowner in Long Island ny. Getting new hardie siding on the house. Our house has very few overhangs in an area that doesn’t get a lot of sun and significant…
Categories: Green Homes

Update on Vented, Vaulted, Closed-Cell Roof

Green Homes 2 - Thu, 2024-11-28 23:32
A few months ago I posted about the insulation in my home addition. Original post here:https://www.greenbuildingadvisor.com/question/vaulted-hip-roof-venting-strategyAfter some discussion and reading, I opted to follow the plan of installing site-built baffles…
Categories: Green Homes

Is it too risky to remove basement ceiling insulation and insulate basement walls in a drafty basement?

Green Homes 2 - Thu, 2024-11-28 22:21
Homeowner in Long Island. My  unconditioned basement has concrete foundation on three sides and framed wall with sheetrock and insulation on the fourth side. There’s a sliding glass door and…
Categories: Green Homes

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