All About ICF Foundations | This Old House
Kevin O’Connor learns about ICF’s (insulated concrete forms) used for the new foundation.
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Tom Silva shows Kevin O’Connor the ICF’s (insulated concrete forms) which replace traditional foundation molds. They finish up the last few forms and then pump in the concrete mix to complete the foundation.
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All About ICF Foundations | This Old House
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Request from (almost) desperate client. Is there any video which details how to waterproof a basement, like real watertight insulation? I'm living in the area where the underground water level changes with the season and basically water find the way into the basement whatever you do.
With the rebar holding slots on the plastic pieces are you not required to tie the rebar together?
How do you keep these walls VERTICAL, esp as pouring concrete into them ??
Cost versus standard ?also, why stop at basement ? Build the walls out of ICF !
This really looks interesting…and I’m Sorry…but I’m still a bit confused. (Increasingly, it seems, as I get older!!). But how is the form actually connected to the concrete footing? They showed running adhesive along the bottom….but certainly, that adhesive and the weight of the concrete alone can’t be doing it??? Is there a vertical piece of rebar every “so many feet” drilled down into the footing? Can anyone explain? Enjoyable educational video!
My neighbor built a one-level, geo-thermal ranch house with these forms on a slab. He was also a kind of geek engineer and spray foamed the attic. On a hot July day he shot the temperatures for the inside attic roof and the floor of the slab with a laser thermometer. There was only a 2 degree difference between the two measurements! A concrete guy told me the downside to using these form is ants. He said if you don't treat them with boric acid, the ants love them.
It's like living in a dry ice container
When you finish off a basement with ICF walls, how do you run electrical cables? How do you install receptacles or switches if the the drywall is adhered directly to the styrofoam?
So this is a no brainer for an addition if it's a livable space