Green Homes News

Bath fan Condensation issue

Green Homes 2 - Sat, 2025-12-13 18:19
Climate zone 5A. I’m seeing condensation dripping from a newly installed bath fan. Due to framing constraints I had to use two 90° elbows to get the duct high enough…
Categories: Green Homes

Aquabar b vs Certainteed membrain

Green Homes 2 - Sat, 2025-12-13 11:13
I’m finishing off my garage and have the walls insulated with Rockwool comfort bats r15.  I’m located in Rochester NY. I know I should now install Certainteed membrain and then…
Categories: Green Homes

Exterior door for conditioned basement / crawl space foundation?

Green Homes 2 - Sat, 2025-12-13 09:04
Title pretty much says it all. I am designing a small conditioned basement / crawl space foundation which will not have access from inside the house for various reasons.  The…
Categories: Green Homes

How Low To Bring Metal Siding & Foundation Protection

Green Homes 2 - Sat, 2025-12-13 07:57
Our home design has our final grade 12" below the top of the stem wall. The joint between the exterior foam covering the stem wall and sheathing are air sealed…
Categories: Green Homes

Venting my Eaves

Green Homes 2 - Fri, 2025-12-12 20:29
Thinking about running my soffits with a quarter inch gap between each board. I have 2 ft eaves and the boards are 3 1/2 inches wide. I would run some…
Categories: Green Homes

How much a Kitchen Renovation Costs in Florida 2025?

Green Homes 2 - Fri, 2025-12-12 14:34
We often see homeowners underestimate how much kitchen renovation costs can vary depending on the scope of work, materials, and design choices. In many projects, plumbing or electrical upgrades add…
Categories: Green Homes

Concrete Basement Wall – Insulation and Moisture Control

Green Homes 2 - Fri, 2025-12-12 13:13
I am working on a basement renovation project in Long Island NY to create living space in an existing unfinished basement.  The basement has a 4" concrete slab and 8"…
Categories: Green Homes

Proposed Solutions for Residential HVAC Problems

Green Homes 2 - Fri, 2025-12-12 02:00
Experts suggest ways to improve the quality of residential heating, ventilating, and cooling equipment installations
Categories: Green Homes

Garage ceiling vapor barrier

Green Homes 2 - Thu, 2025-12-11 19:59
In Ontario, Canada for reference.I have a garage (a shop technically) that sits below our main bedroom as part of a new addition. 90% of the ceiling is composed of…
Categories: Green Homes

Safe upper humidity level while skim coating walls

Green Homes 2 - Thu, 2025-12-11 12:35
Climate zone 6. I’m having skim coat plaster applied on my second floor walls and I’m wondering what’s the safe upper range of humidity level I should maintain.Second floor is 1160…
Categories: Green Homes

Mortar touching sheating

Green Homes 2 - Thu, 2025-12-11 11:15
Hello. Climate 2 , 1980 brick veneer wall assembly. I discovered that the mortar in my exterior walls is about 80 percent in full contact with the interior fiberboard exterior…
Categories: Green Homes

Potential on-going off gassing of natural stone sealer?

Green Homes 2 - Thu, 2025-12-11 10:32
We are installing a variety of natural stone flooring, including terrazzo, slate, and marble.  It is our understanding that we will need a sealer for these areas, but would like…
Categories: Green Homes

Ventilation Controls: Meeting Code and Managing IAQ

Green Homes 2 - Thu, 2025-12-11 02:00
A step-by-step guide to selecting, wiring, and configuring residential ventilation controls
Categories: Green Homes

On mechanical ventilation in attics

Green Homes 2 - Wed, 2025-12-10 21:27
I’ve been thinking about this question since June, because at the start of the summer there’s always a lot of people complaining that the upstairs of their house is hot.…
Categories: Green Homes

Can spray foam insulation of rim joists lead to rot?

Green Homes 2 - Wed, 2025-12-10 15:51
My old 1915/1970 home has a basement and crawlspace and is located in 4C Marine. There is a mold issue, so I am going to hire a contractor to spray…
Categories: Green Homes

What to do with a small amount of mold in the attic/small stain on ceiling

Green Homes 2 - Wed, 2025-12-10 14:02
Hello, We live in Texas and have a vented attic (yes, I know it would be better to encapsulate, but can't do that right now for money reasons). I noticed this…
Categories: Green Homes

seal stud/framing joints for air tightness

Green Homes 2 - Wed, 2025-12-10 12:15
Hey all,We have an exterior air barrier of Prosoco MVP on exterior of sheathing, sealed at the bottom plate to the concrete with Prosoco Fast Flash and a 10" tape…
Categories: Green Homes

Soffit material recommendation – AC vs A/B/CDX

Green Homes 2 - Wed, 2025-12-10 11:59
Hey all, We are looking into alternatives to the LP Soffit material (3/8" thick).  Are eves are about 18", so we'll likely have to run any product we select through…
Categories: Green Homes

Exposed Exterior Foundation Foam

Green Homes 2 - Wed, 2025-12-10 06:20
We have 2” exterior foam insulation around our foundation. The way our home is designed, the 2×8 walls line up with the exterior foam insulation making it a flush surface…
Categories: Green Homes

How EcoFlats Achieves Phius Zero at Market Rates: Systems and Strategies

Green Homes 2 - Wed, 2025-12-10 02:00
EcoFlats at Log City pairs a low-carbon envelope with cost-effective HVAC, ventilation, and hot-water systems to meet Phius Zero goals without increasing rent.
Categories: Green Homes

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