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Foundation foam insulation/ trim detail

hot_rod
hot_rod Member Posts: 25,003
in THE MAIN WALL

I adding onto my shop. I spent the week digging, pouring a footing and foundation for the small addition.

The 2" foam around the foundation wall will get this Z flashing over the edge and down to the grade.

I have a flashing break and built these with coated aluminum stock.

Companies that supply metal building siding will build flashings like this also. Usually up to 10' long.

My first time using one of these U Haul concrete trailers, I was able to back right to the pour. Still a lot of work moving 2 yards of concrete!

Screenshot 2025-04-19 at 1.01.22 PM.png Screenshot 2025-04-19 at 1.01.32 PM.png Screenshot 2025-04-19 at 1.01.41 PM.png Screenshot 2025-04-19 at 1.02.46 PM.png
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream
ethicalpaulBernie_the_Brewermattmia2

Comments

  • Peregrine
    Peregrine Member Posts: 23

    nice

  • Larry Weingarten
    Larry Weingarten Member Posts: 3,817

    Hi, I like seeing all of that foam. There will never be a better time to insulate it than now. 👍️

    Yours, Larry

    hot_rodethicalpaul
  • The Steam Whisperer
    The Steam Whisperer Member Posts: 1,266

    x2 on the insulation comment. . However, if I am seeing the detail correctly, you are creating a perfectly insulated and protected path for termites to get into the wood framing.

    To learn more about this professional, click here to visit their ad in Find A Contractor.
  • hot_rod
    hot_rod Member Posts: 25,003

    Any time I use foam around a foundation like this, I have pest treatment people treat the area.

    I had plenty of experience with termites and ants getting into foam when I worked in Missouri.

    They need food and water, so keeping a good drainage away from the building helps keeps the bugs away also.

    Screenshot 2025-04-22 at 11.31.38 AM.png
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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