Recent Q&A

• Air leakage when below freezing

  I have a question about air tightness, I am seeing frost or condensation in my eve’s of my house on below freezing days. I have a unvented roof assembly…

• Vapor Retarder With Rainscreen Assembly

  Good Morning, I know this topic has been talked about! I’m building a 2000 sq foot home in zone 5 , I have 2x6 walls with zip sheathing taped and…

• Unvented roof assembly

  I am building a compact unvented roof, following Joseph Lstiburek builders guide to cold climate. What I have , is ceiling is 2x6 t&g with ice & water shield for…