Green Homes News

This is a piggyback off a previous post. I have two conduits running horizontally across an exterior framed wall. Warm moist indoor air is entering it, condensing where the conduit…

Hi, I have 3 locations that I'm (mostly) unsure about what to do with. I cant seem to get the uploads to work, so here is an imgur link: https://imgur.com/a/jcoXSvp1.…

From freestanding tubs to poorly placed shower controls, today’s bathrooms often ignore the fundamentals of safe, functional design.

Hello, I don't know if this is the right place to ask these questions. I am a homeowner with no knowledge of construction and looking for advice. We recently bought a…

Hi all, I'd just like to sanity check whats going on in my vaulted cieling attic space. Fairly new to this but have been reading as much as I can on…

The walls may not have footings below the frost line, which complicates things

I've been asked to help with a design in Newport County, RI. Newport is a popular summer destination because it's cool by the ocean, you can have your windows open…

Hi all, I’m installing Simpson post bases into concrete using 1/2” Titan HD anchor screws (4” length).  I’ve overdrilled the depth to account for dust, and vacuumed out the hole…

Hey - homeowner here, with a 140 year old Queen Anne. With all the snow this winter, I've got major ice dam issues. My attic desperately needs additional sealing & insulation,…

Hello Hoping to reduce labor and simplify floor insulation. Considering: Wood floor over rubberized underlayment on subfloor sheathing,2 inches high density rigid foam on top of 2x10 joists filled with 9.5rockwool. Bottom…

Just curious if there are any first hand accounts of how unbalanced an HRV/ ERV can be made to run to create positive pressure? My owner built home is coming along…

I have a conduit running across multiple stud cavities in an exterior facing wall. The conduit runs from a cantilevered fireplace bump out to the adjacent wall.I went to fish…

We have an engineered white oak floor that we are hoping to install soon. The company recommends a minimum of 35% humidity for their product, however in winter, our home…

Hi all,I’m looking for feedback on an attic air-sealing and insulation plan. I’ve been digging through GBA articles and want to make sure I’m not creating a moisture trap or…

Now that I have made decisions on the insulation and housing envelope, I'm trying to get some ideas for a budget on the HVAC system. I've called five companies in…

Hello Everyone,First let me say I have really enjoyed the content here and the Q&A's.I realize a good amount of my wall assembly considerations have been covered but I wanted…

The IECC and IRC offer multiple paths for crawl spaces—but it's best if you understand the building science behind them.

I'm framing an addition where the largest floor span is about 8 feet. According to the span tables, 2x8 at 24" on center is totally fine for this. But I've…

Hello, I started to air seal and insulated my attic and have a concern with one of my details. The ceiling joists rest on exterior wall, then another double 2x4…

A cautionary tale for anyone who thinks, “How bad could an ERV install really be?”