Green Homes News

Recycled vs. Virgin Fiber in Cellulose Insulation

Green Homes 2 - Fri, 2023-02-10 05:16
Are cellulose manufacturers still using recycled material? My insulation contractor told me that cellulose manufacturers are using a lot more virgin fiber and a lot less recycled for cellulose insulation…
Categories: Green Homes

Getting Started with Air-Sealing

Green Homes 2 - Fri, 2023-02-10 02:00
More building departments are beginning to require verified air-sealing. With a little information and planning, even builders new to blower-door tests can do much better than code. 
Categories: Green Homes

Slab drop Front, Back and Garage Man Doors – Zero Entry Doors

Green Homes 2 - Thu, 2023-02-09 20:31
Planning for future, when I start to find it difficult to travers steps and other obstacles, I am thinking of changing the slabs for the front porch, back patio and…
Categories: Green Homes

Sill Plate Anchors – 6′ O.C. or less (Benefits?)

Green Homes 2 - Thu, 2023-02-09 19:12
Hello All,Code seams to call for min. 6' centers for PT, sill-plate, hold-down anchors (plus those at openings/edges). Any value in moving them to 4' or 5' centers?
Categories: Green Homes

Rain Screen Delete from Garage Detail

Green Homes 2 - Thu, 2023-02-09 15:54
Hey All,I performing a review of the Garage/Dwelling Detail of my current plans, I've noticed that they show a rain and bug screens on the garage side.  Sanity check here.  I…
Categories: Green Homes

Urban Planning Theory and Praxis Lecture

Green Homes - Thu, 2023-02-09 14:30
Location: Gund Hall 111, GSD, 48 Quincy St., Cambridge

UC Santa Cruz Associate Professor of Sociology Hillary Angelo will present "The Origins of Green=Good, and Other (Mis)conceptions."... Read more about Urban Planning Theory and Praxis Lecture

Categories: Green Homes

Marine Debris Fashion Show: Competition Launch

Green Homes - Thu, 2023-02-09 14:30
Location: Harvard SEAS Atrium, 150 Western Ave., Boston

The School of Engineering and Applied Sciences (SEAS) Makerspace, the Leman Program for Creativity and Entrepreneurship (LPCE) and the Office of the Fine Arts (OFA) present the Marine Debris Fashion show. All Harvard students, staff and faculty are welcome to join us in the Atrium in the SEAS building to learn more about the Marine Debris Fashion Show and competition.... Read more about Marine Debris Fashion Show: Competition Launch

Categories: Green Homes

Another Mini Split (Over)sizing Question!

Green Homes 2 - Thu, 2023-02-09 14:28
Hi everyone--first time caller, long time listener here. I had a 4-zone ductless mini split system installed a couple weeks back and am hoping that you all might provide some clarity.…
Categories: Green Homes

Lighting for High Ceilings

Green Homes 2 - Thu, 2023-02-09 12:59
Would you canless recessed lighting from luxrite be enough for 20 feet ceilings? The liviring room area is not that big where its double height mabe 11 foot x 15…
Categories: Green Homes

Planning Roof for Future Solar Panels

Green Homes 2 - Thu, 2023-02-09 12:37
Hey all, Should I specify CDX on my plan set for the portion of the roof that may later support solar panels. The area would be about 650 sq. ft.…
Categories: Green Homes

The Value of Verification

Green Homes 2 - Thu, 2023-02-09 12:00
A look at why third-party verfication of a project's materials, methods, and systems matters
Categories: Green Homes

Garage-Meets-House Wall Assembly

Green Homes 2 - Thu, 2023-02-09 11:24
Hi I’m remodeling my 1989 house and took the walls down to the studs. I have a garage that shares walls with the living room and one of the bedrooms…
Categories: Green Homes

Do I need a vapor barrier?

Green Homes 2 - Thu, 2023-02-09 09:16
I have a 1918 bungalow and am doing a full remodel of the finished attic including the addition of a shower.  I have not changed the roof venting but doubled…
Categories: Green Homes

The Impact of Wind Washing on Insulation R-Value

Green Homes 2 - Thu, 2023-02-09 02:00
Defining airflow pathways is key to maintaining an insulation material's thermal resistance capacity
Categories: Green Homes

Vapor barrier in middle of double stud wall will lead to condensation?

Green Homes 2 - Wed, 2023-02-08 21:48
Climate zone 7 (Montreal, Quebec, Canada)Wall assy:Cladding1x4 strappingR7.5 EPS with air barrier taped (+-1.2 Perms)R12 Fiberglass (16 OC studs, load bearing wall)6 mil Vapor barrier, taped seamsR12 Fiberglass (24OC studs,…
Categories: Green Homes

Poor insulation in old cathedral ceiling

Green Homes 2 - Wed, 2023-02-08 19:16
Having read the 5 options for insulating a cathedral ceiling (By Martin Holladay | December 11, 2020) I am in a dilemma...#3 seems the closest.  Here is my situation - …
Categories: Green Homes

Electrical Entrance – Sleeve Foundation Wall or Through Exterior Wall

Green Homes 2 - Wed, 2023-02-08 17:40
Hey all,I'm working on design details for what I hope to be a fairly well built and efficient house (Pretty Good House).  In considering the electrical entrance, I am thinking…
Categories: Green Homes

Footing Depth – Below Existing Elevation or Proposed Elevation

Green Homes 2 - Wed, 2023-02-08 17:31
Hey all,General interpretation of 5-1-6: FROST DEPTH: The frost depth level for the city is hereby declared to be two feet (2') below the natural surface of the ground. All foundation footings…
Categories: Green Homes

6″ penetration for exhaust fan

Green Homes 2 - Wed, 2023-02-08 16:45
Hello, I need to make a 6" penetration in a gable wall from a conditioned unvented attic. I'm not experienced with doing penetrations the right way but strive to do a…
Categories: Green Homes


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