Recent Q&A

• Baffle depth

  Zone 6 MplsHave a traditional 2 story with an unconditioned attic built in the 40's. This past summer when we had siding/roof replaced we popped the facia behind the gutters…

• Ridge vent issue

  Not sure what my options are here. We removed the orginal sofit and unfounrnatley discovered the sheathing goes all the way to the roof deck and therefore the cavity for…

• Flashing an exterior base plate

  在海rching the site similar to previous questions, I am not quite sure how to proceed. New LP siding will go up next week, in the meantime I am trying…

• Flashing Around Existing Window Openings

  I have existing window openings with orginal sash windows. Attached to exterior/outside stop is older storm windows that came with the house. While there is plenty of literature on flashing…

• WRB for retrofit

  I have looked through the site and most of the WRB articles seems to focus more on new construction. We have an old 1940 house in Zone 6. Wall profile…

• Furing in basement wall

  I have a rather basic question that's getting the best of me. I have just finished insulating my exterior walls in my basement using poly iso with a 2x4 wall…

• Rim Joist Area

  Zone 6 Mpls Fairly versed on what needs to be done to insulate this area. In my last 1940's house the rim joist area was a cavity in which spray…

• Canned foam around 6″ kitchen exhaust

  While I belive I know the answer any safety concerns about using canned foam to seal around metal duct that penetrates through the ceiling. My specific concern is the heat…

• 热阻

  I need to address the insulation situation specifically above the 2nd floor bathroom. (Pic is not the greatest) The bathroom is located in the octagon portion in the attached picture.…

• CertainTeed MemBrain

  Can the MemBrain go over kraft-faced fiberglass? Would this be a double vapor barrier? My wall assembly is aluminum siding, a shiny like paper under the aluminum, 30-lb felt, and…