Recent Q&A

• Unique situation for a hydronic floor system

  我穿过整个房子一半renovation of a 1888 2 story Victorian over a ventilated crawl space in New Orleans. We have been upgrading the insulation…

• Flashing 120-year-old windows to new ZIP R-sheathing

  I am slowly retrofitting an 120 y/o home in climate zone 1. As typical with homes of this vintage it was very leaky, both of air and occasionally wind blown…

• Would you be concerned about interior Formaldehyde levels with mineral wool

  I was looking at using mineral wool batt insulation between studs in a staged retrofit situation. It looks like most of the mineral wool batts available still use a formaldehyde…

• Drywall moisture problems with 2 inch Exterior Foam Board retrofit in Hot-Humid Gulf Climate

  I am beginning a deep energy retrofit on a 100+ year old home in a hot-Humid climate. The home is in great structural shape with very little if any moisture…