Green Homes News

Has anyone used the Powerwool exterior insulation yet?         Spec's all look the same to Comfortboard for flammability and water resistance,  except it is a fair bit stiffer,…

Hi all, I need to put some penetrations in some corrugated fiber cement siding that is screwed directly to the sheathing such as a 4" bath fan exhaust and some AC…

Curious to get input on the attached roof assembly.   West coast of Vancouver Island.  The main focus is a highly durable roof to protect from the elements and also needs…

As I work to install an underground gutter or underground roof around my ICF house during construction, I am looking for a solution for how to finish the ground cover,…

Looking to install foam board directly behind the skirting of a mobile home. What type of foam board will be good for this?Does thickness matter? Trying to prevent the wind from blowing…

How can one encapsulate closed cell spray foam that is off gassing, giving odors -- to stop the odors/gases from getting into the attic / home?Reason for question: In the…

Hi, Longtime lurker, first-time poster.  We bought a house with foundation issues and will be excavating three walls (thankfully the fourth wall is exposed, like a walk out basement) and planning…

Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman",serif;}…

Hi everyone, Bit of a long two-part question. We have an old summer kitchen that we are turning into a conditioned office / ADU. The building is ~200 sf  and has a…

Hello have a question about two way breather vents. I had a Roofer come and install a TPO roof and I want to be sure that the correct ventilation has…

A first-aid kit of short-term solutions for bringing down the temperature of uncomfortably hot upper floors

I live in the high desert and am going to build a deck. Humidity is very low and the deck will be on the southeast side of the house. The…

Zone 5, slab on grade foundation. I'm wondering if it would be worth the ~$800 to blown in cellulose in my raised floor. The top of the slab is even…

Zone 5, Coastal CT.I requested a blower door test pre-drywall to see how well we might have done with the renovation of our 1850's modified cape. The final test for…

Have a double wide sitting on gravel located in WI. The floor gets mighty cold in the winter and much worse when the wind is blowing. Underbelly insulation is decent.…

Detailing the four control layers when installing a triple-pane window in a wall with continuous insulation outboard of the sheathing

Hello,I’ve got a 1914, 1-1/2 story house in zone 6. The roof is 2x4 rafters, currently insulated with dense pack fiberglass. (No ventilation from soffit.) Half the roof is over…

Hey everyone! Our builder is having our black tin roof removed (low slope), adding rigid foam to the top side of the sheathing and then put the metal roof over…

Hi there,I have a 1.5 story 1910 house in Climate Zone 4C (Seattle area) and have my second floor gutted, so I need to insulate. I have sloped ceilings, so…

We are considering a building site on our property where there is a ~20x30 foot area of exposed bedrock/ledge protruding a couple feet up from the ground in an otherwise…