Recent Q&A

• Minimum EPS density (compressive strength) for roof/wall external sheathing

  Do you know if it would be possible to use low density EPS on top of a roof sheathing? I suppose the critical thing here is the EPS being able…

• Does Low-e glazing affect plant growth?

  There seems to be an ongoing discussion about this subject and not a final conclusion yet, I imagined maybe somebody on this forum could know better.

• 这是possible to install rigid foam just below laminated flooring?

  Imagine a pier foundation house. The foundation beams and joists are already on place and the floor joists are only 5¨. Not enough for our insulation ambitions. Over the Floor…

• Additional insulation below laminated/floating floor over rigid-foam-insulated concrete slab?

  I have a 4" concrete slab insulated with 4" of rigid foam (on the underside, of course). I was planning to install laminated floating floor on top of everything. As…

• REMOTE-like with felt/asphalt paper?

  Could you do well with a REMOTE wall assembly in which, instead of the Hi-tech membranes, you just use Felt Paper? In Chile I don't have access to Grace products…

• R-35 wall assembly for a 4C Marine climate zone

  I am about to build on a 85" rainfall, 6000 HDD and no cooling system (I can withstand a little heat in summer) http://en.climate-data.org/location/147654/ I'm thinking of (from outside in)…

• If I don’t cool my home on summer, should I think like I’m in a cold climate when I design my wall assembly?

  In regards to vapor difussion, in a mixed-humid climate, where no AC will be used in summer, should a Cold Climate wall assembly design work just fine? In other words,…