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  1. vapor barrier needed under xps foam on concrete.

    Insulation
    I have a house with a converted garage into a living room. It is sunken living room with a 2 steps which is around 13 inches below the rest of the house. I want to raise this up as its a safety hazard with young children. The room currently has carpet right over top of the concrete and the steps...
  2. Crawl Space Reno!

    Insulation
    Hey everybody, this is my first post and first time being on this site. I recently bought my first home in Northern Ontario, Canada. It was a late 50's bungalow with a crawl space that now has a half storey addition. I've found some rebates through my gas company for insulating the crawl space...
  3. Rigid XPS + Pipes, electical and Great Stuff?

    Insulation
    I am finishing my basement and before doing so I wanted to get some Rigid Extruded Polystyrene on the walls. I have several places where there is plumbing (1/2" copper) strapped to the wall, as well as some electrical. Based on my searches, it sounds like it should be fine to get the XPS tight...
  4. Basement XPS approach

    Insulation
    I'm preparing to finish my basement, and I'm trying to figure out what combination of materials to use for insulating the walls. I'm going to use XPS, based on the information I've gathered from this site. I've considered 2" XPS with no cavity fill, but I'm leaning towards 1" XPS, 2x4 framed...
  5. Best Practices Detail for Exterior Foam Board Insulation

    Building & Construction
    I searched the forums but couldn't find a comprehensive thread on adding R-Value to a home using exterior foam board. I have done an exhaustive amount of research and yet still have question. Hopefully this thread can turn in to a Best Practices Detail so please only reply if you are...
  6. how to detail outlets on thick rigid foam walls

    Insulation
    While I think this question might be under the topic of electrical I have a feeling that people in this group have dealt with this issue before. I am working on a project that will re-skin my house. In the end the exterior walls will be 2 3/4" thick from the outside of the stud to the outside...
  7. Old home insulation upgrade during remodel?

    Insulation
    I just purchased an old home (~1910) that was converted to a duplex in the 70's that needed some major cosmetic work. When I purchased it the previous owner performed very little in maintenance and upgrades of the property, he apparently did not see the potential for return on investment...
  8. Another Basement Insulation question....

    Insulation
    I've read some recent posts about how homeowners didn;t like the job done by their builders. Here in Toronto, my builder did a very good job. They used pink with vapour barrier up to the frost line. Therefore, about 4 feet of exterior concrete wall is bare. My question is this, is it ok...
  9. Xps board

    Insulation
    So I installed my 2" xps board on my basement wall and the PL-300 really took and held well. However, when I put my hand over the top of the board I can notice a slight draft coming from behind the board. Should I seal this or leave it so it can "breathe"? If I should seal it, what should I...
  10. Subfloor or no in basement?

    Remodeling
    Hi All, This my second post and closely related to my first post, but felt it was wise to keep the questions independant. I'm getting ready to finish my basement in a home which was constructed in 2008 in St. Louis, MO. I'm debating about putting down a subfloor prior to the finish flooring...
  11. How to cut and seal insulation

    Insulation
    I was wondering what you guys thought the best way to cut 2" xps rigid foam board. Tools I have at my disposal are a table saw, circular saw, jigsaw, and simple knife. Can it be scored and snapped. I just want it to be a nice clean cut no matter what it is. Also, they are 4x8 pieces so...
  12. Final Advice before I start please.

    Insulation
    Ok, So I have been browsing and gathering knowledge for quite some time now and always, it never fails, someone suggests something that kind of makes sense that screws everything up lol. So instead of doing more research and reading, i'd love to hear from everyone personally concerning my...
  13. Basement Subfloor

    Insulation
    I'm working on a basement renovation on a 1960's bungalow and I'm a little unsure of how to proceed with the subfloor. The basement was stripped to bare concrete last year. Through the winter I framed the exterior walls and had 4" of 2lb spray foam installed. I spaced the framing off of the...
  14. Basement Insulation - Which XPS Foam

    Insulation
    Hi All - I'm getting ready to refinish my basement and want to start with applying 2 inch XPS foam insulation to the exterior walls. In searching around and visiting a few stores, there are a few options out there (green guard, multiple foamulars, etc). Any advice on which foam board to use...
  15. floating a sub floor over foamular 150

    Remodeling
    I am insulating the slab in my daylight basement. Is the below a solid way to do it? The floor will need to support a wood stove. 40 gallon water heat. Tile shower. Gas furnace. Washer / dryer. Does Foamular 150 have a strong enough PSI for this application or should I use something...
  16. Foam Insulation Questions - Please help

    Insulation
    Hello All I love this forum, but I hate this topic. I have done a good amount of research, and get so many conflicting answers. I live in Westchester NY (southen NY). I have a finished basement which was ruined by hurricaine Irene. It was old, witch warped wood paneling, so not a huge...
  17. Finishing a basement

    Insulation
    I purchased a home in Central New York that was built in 2006. The 2000 sqft basement is 12 courses of block with all but one or two blocks below grade. The blocks have been filled with CoreFoam insulation that has an R value of R-12.25. The basement is unfinished at this time. The walls...
  18. Finishing my Basement

    Building & Construction
    First post, but have been reading here a long time. My wife and I would like to finish our basement. They are poured concrete slabs that are in great shape with no moisture that we've seen (I know there could be in the future). I've had some contractors come over with different ideas but the...
  19. Insulating Split-Level Ground Floor Concrete Slab

    Building & Construction
    Hello, This is my first post to DIY Chatroom. I am looking forward to hearing some informed opinions on my questions. I have a split-level 1979 raised bungalow home in cold Quebec that I am doing a lot of energy-efficiency retrofits to. One problem area was the ground level entry room that led...
  20. Insulate split framed/poured basement wall, prior to framing...

    Building & Construction
    Hi, I'm planning to insulate my basement wall with XPS (glued with PL300 and sealed with sprayfoam) edge to edge, and then frame over the XPS giving room for more XPS and electrical and some plumbing in the framed cavity. The question I have is around the unframed upper section of the wall...
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