Green Homes News

Building a log cabin where there will be an insulated flat roof, then open gables, then a pitched, uninsulated roof with a standing seam metal roof.  Above the rafters are…

Hello, I’m in the middle of remodeling a first-floor room in my house in South Central Pennsylvania (Zone 4). The room is currently gutted to the studs, and the ceiling…

Hi, I had our driveway poured on Sep 15 (in Houston Texas) and requested my builder not to have any vehicles on it for 4 weeks to let the concrete…

Building a new home in south Arkansas. The roof I have in mind is as follows. R44 blown in mineral wool, 2x4 trusses, 5/8 plywood decking, underlayment, 3/4 EPS rigid…

I am hoping to convert my existing garage into a part-time golf simulator for the winter in upstate New York zone 6.  Currently, there was only insulation in drywall on…

Dormers complicate a vented roof, and the owner doesn’t want spray foam.

We recently gut-renovated our 100yo brick home in Cleveland, OH (Zone 6A). We modernized it with two heat pump systems covering 4 distinct zones. The upstairs zone - the original…

We have a interior bathroom that will have a long bath fan exhaust pipe (~30') to an exterior wall through the attic.  It's a small full bath with an 80…

Building a “pretty decent house” lol in BC Canada zone 6. I am wondering if there’s any red flags in my roof system.Layup from inside to outside is as follows:-exposed…

Hi!  This is the first time we've done Rockwool ourselves and we are type A(AAA) personalities so we tend to want everything perfect, which is not great when building a…

Hello. I’ve just about got every detail narrowed down on my future build including all the materials I’d like to use.For reference: Climate Zone 4A, Kentucky Flooring System: TJI are a…

I’m planning to finally finish the basement this winter. We live in zone 5. A section of basement was framed 2x4 walls with r13 between the studs with poly on…

I have been searching on the web for information on vacuum-insulated glass (VIG). I know Pilkington has been offering them for a few years, in the R-5/U-0.2 range, and I…

Question for those familiar with using Drainage Mats along with exterior foam: is it necessary??Working with my local building inspectors on this wall design and they are not familiar with…

Hi All,This project takes place in Zone 6A, Chittenden county, Vermont.The bungalow we are renovating has 2x4 walls, a vaulted ceiling, and doghouse dormers. I need your help in brainstorming…

A photo is worth a thousand words

Hello everyone,Our contractor had to pause work on our project for a little while, and I’m wondering about a couple of things regarding humidity and insulation. We’re hoping the pause…

We are renovating a 100-year-old home in a historic preservation district. The house originally had two chimney stacks serving gas furnaces and gas fireplaces. All gas service and piping have…

Coming home from a short trip we found the house to be a little chilly, so I turned on the one year old Mitsubishi HP around 1AM. At 3am I…

We are considering either stucco (three coat with cement board )or James Hardie planks for the siding. Both are poor insulators. We considering adding a layer of rockwool to boost…