Recent Q&A

• Exterior Foam Insulation and Fire Safety

  I'd like to see GBA address this issue as well as hear from fellow readers. With IRC2021 effectively mandating continuous external wall insulation on houses and with the large majority…

• Stucco rainscreen – site-made lath or

  I come to this from the design side, so I'm not familiar with material/labor costs in the "real world". I'm hoping some of you can advise on the most economical…

• EPS Coefficient of Expansion

  I'm working out the detailing of a new house with exterior EPS insulation. It will be in 2 layers of 1" thick each, with sheet joints staggered. The exterior layer's…