The Contradictions of Cold Climate Crawl Spaces

Questionable Guidance from the IRC The International Residential Code (IRC) identifies two different ways to build a new-home crawl space that resists frost heaving: place the footings below the frost line (historical frost-depth) or heat the a home to 64 degrees for...

The Miraculous Properties of Cellulose Insulation

Cellulose the Air Barrier According to some experts in our industry, cellulose insulation has truly miraculous powers. Many years ago we noticed that blower-door readings dropped significantly after we dense-packed the walls of an existing home with cellulose...

New Construction Guide for Alaska

Building Energy Efficient in Alaska We at Saturn are pleased to announce a new project with the Alaska Craftsman Home Program (ACHP) to republish their excellent new-construction manual, Northern Comfort. Northern Comfort is all about building heavily insulated homes...

The Worst Siding Ever Made

Bad Siding In the past decade, the building industry has introduced pre-weathered galvanized siding for buildings. Same idea as weathered new blue jeans I guess. However if you look at the new building shown here, you’ll see that the siding is quickly...

Superinsulation Retrofit in the Wild West

Recent Details: Superinsulated Retrofits This post is for building and insulation  nerds. I’ve been thinking a lot about the superinsulation projects I’ve accomplished over the past decade and what those retrofits cost. Yesterday I got an eMail from Eric...

Earth Day Greetings from Helena Montana

Mother Nature had mercy on Montana  yesterday dumping 5-20 inches of heavy snow over a wide area: Snow depth depends on elevation. Saturday offered a blustery spring folf match, and Sunday snowed a winter blizzard most of the day.  Horray for moisture however we get...