Green Homes News

Does GBA have an article illustrating various ways to detail roof overhangs for an unvented roof where 100% of the insulation is rigid foam on top of the roof sheathing?…

1550 square foot duplex home built in 1900 in Western Massachusetts3 floors: first floor is one unit, second and third floor is a second unitCurrently heated by a 90k btu…

My garage workshop will have interior osb sheathing. The building inspector says I don't have to have any vapour barrier because it's a garage. It seems that the argument against…

We are having a coravent rain screen installed with vertically hinged corrugated metal siding over it. With this siding material, it will be impossible to make sure every nail securing…

What the building industry can do with forever chemicals

I am in the process of finalizing design and beginning build of a 1500 square ft slab on grade ranch in climate zone 5 and I am trying to decide…

My renovation - green I promise - has encountered some difficulties, and I need either a suspended slab or floor joists just below grade.  (The ground cannot support a slab,…

Looking for advice on best way to insulate brick veneer exterior walls. I don't have the 1" minimum gap between the sheathing and the brick. The sheathing is some kind…

I'm planning a retrofit rainscreen facade on our home in zone 7.  We have tall walls with zero overhangs (the house is a box).  I am wondering if it would…

What’s a bullet-proof sequence of installation for an “innie” window?

Hi all! So as I slowly work away at my 23x26' basement, I'm still miffed by what to do with my floor. It is a concrete slab that is heavily sloped…

I posted a question and saw a typo, so edited and saved the edit.However, the posted question still has the typo - the editing is not saving...Anyone else having this…

See below for questions for those who understand using air pressure gauges.  I'd like to measure the pressure across my HVAC filters for the purposes of both selecting the correct…

We just had an inspection and one of the items flagged was how our contractor used shims under the sill plate, which sits under the floor trusses (see attached picture).…

Hi all, I’m having trouble with the transition details of cedar board&batten siding on my new construction house. I’ll be using 1/2” coravent at top/bottom of wall, and 1/2” diagonal…

I just became aware of an interest free loan for solar installations here, but it expires in about a week, so I have very little time to decide. A 10kW…

The fabrication guide for my Durasein solid-surface countertop as well as the one for the very similar Corian both briefly recommend a "single-flute" or "double-flute" router bit, by which they…

We have a 15 yo 5 ton Carrier WTA unit paired with a SpacePak. The coax has failed and is slowly leaking refrigerant into the ground loop. we have 2 options:…

Hi everyone,I’m looking for advice on properly air sealing and waterproofing the exterior door frames on my new construction. I’ve attached pictures to show what I mean. The frames have…

I have a slightly negative grade towards the house. A landscaper wanted to fix the grade by compacting layers of modified gravel near the house until we reached a positive…