Frame the perimeter, sweep the field, repeat.
18 Videos, articles, and animations showing you how to get through Section 1 of the Energy Star Thermal Bypass Checklist. It is about the continuity between various components of the air barrier system and the thermal envelope.
Framing a roof with I-joists over the existing roof makes a ton of room for insulation and offers a short lesson in vapor movement through assemblies
Condensation is when moisture in the air hits a cool enough surface to convert the vapor into water.
Closed Cell, Open, Cell, High Density, Slow-Rise, or Fire Retardant?
Four ways to prevent ice dams in three types of roof, for two climates in one video. Boom.
Counting down the top 15 pages of 2016. This one is #2. Stop rot with house wrap
Bigger bottles and boxes for bigger coverage
Hands-on training with local pros at the largest construction event in the Northeast
A big problem, for roofs in cold climates, but what causes it and how can you fix it?
A tight air barrier is the best way to build an energy-efficient house. Outside the sheathing are many chances to make it better.
Keep mechanical equipment within the envelope to improve the quality of houses and homes
A thermal break and solid backing puts the window on the outer face of a thick wall. Now, there's room on the inside window sill for cats and bowling trophies
Stack effect is relentless: it is always working, when you’re awake or asleep, even during blackouts. And it feeds on itself.
When air sealing a house, begin with the biggest holes and work toward the small ones
"In order to maximize the buildable area on the infill lot, we had to go fairly deep and do some extensive shoring."
—Dan Whitmore of Hammer & Hand
Offset the joints and seal the gaps to keep air leaks out of the thick walls
This is the first episode of 7 Minutes of BS (building science). We break it down with engineers and building scientists.
What the HERS index is and how to make it work for you
Windows cannot rest on the foam, so they hang from wood bucks