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foam board

  1. Insulation
    Reinsulating bonus room above garage. So far have Asphalt Shingles + Decking, 1.5 inch air space, 2 inch XPS (between rafters, spray foamed in place), R-19 Un-Faced Fiberglass. I am in Northern New England (Cold Winters) but also A/C in Summer. Do I need a Vapor Barrier behind the Sheetrock or...
  2. Concrete, Stone & Masonry
    Can I wrap the sink in something and use it as the form or do I need to use foam? It's a farmhouse sink, it will sit under the counter. It would be ideal for the concrete to have the same shape as the sink.
  3. Insulation
    Hi all, Please excuse any mistakes--this is my first time posting and I'm a novice DIYer! My husband and I recently bought a little 1949 kit T&G cabin in upstate New York and have been trying to make some modest updates/improvements. I love the cabin but one of the things I knew had to go was...
  4. Insulation
    Hi, I was wondering what thickness of foamboard should I put under the bottom plate in my basement? I was thinking 1" attached to the floor with foamboard adhesive.
  5. Building & Construction
    Hi Folks, I’m working on finishing an area in my basement below our porch and have a number of questions. Here is the relevant info for context of the project: Space size is 5’x10’ with 9’ high ceilings. The ceiling, floor and all walls are concrete. The space is adjacent to an...
  6. Insulation
    Hello, I'm looking for some suggestions on insulating a particular part of my house. I've attached a picture that will hopefully provide enough information. This picture is taken from an attic above a garage. The picture is showing the space over a front porch. The plywood on the left of...
  7. Insulation
    I have a 95 year old brick home and the brick is two layers thick. In most rooms, the interior lathe and plaster is laid directly on the brick. The exterior already has a layer of stuuco put on, which doesn't look very good and is cracking and peeling in many places. I'd like to insulate the...
  8. Insulation
    While I welcome any and all comments I do hope GBR will provide his/her helpful hints. The situation: - Full replacement of all siding on my 100 year old house. - There is actually two lays of wood siding with the bottom layer being nailed directly to the structural members of the house. -...
  9. Roofing/Siding
    Live in SF Bay Area (CA) in an Eichler-style house built with a low-sloped, hot roof and no insulation. The existing roof system is composed of (top to bottom) tar & gravel roofing, celotex fiber board, and 3”x 6” exposed ceiling beams placed 24” OC. Plan to re-sheath the beams, add insulation...
  10. Building & Construction
    My house is in Houston, Texas, known for hot, humid summers. The attic is not insulated at all, but has a gable fan that draws air across the attic in from the cool side and out the hot side. I use my attic for storage, so using loose-fill insulation is not really an option. My thoughts are...
  11. Building & Construction
    Hello - some advice needed. I've been reading all the info i can find about proper basement insulation techniques including the building science report. I now realize that using foam boards attached directly to the foundation walls is the way to go. My probelm is that a friend and handyman...
  12. Roofing/Siding
    Trying to decide how to insulate the slanted ceilings in my bedroom of my 1.5 story cape. Take a look at these diagrams. The areas I'm looking for guidance is in the 2x6 rafter areas. Have gotten quotes, but from everything I read seems like it wouldn't be too difficult to do myself... Quotes...
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