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Update: How To Insulate A Church Using Vermiculite
I enjoyed the article in your last issue about an innovative way to insulate a church using vermiculite. Years ago we had an old farmhouse and had a contractor pump foam insulation into the exterior walls. It was a waste of time because as we found out later when remodeling that the foam missed spots and there was about 15 percent shrinkage of the foam.
  We decided to take another crack at insulating. Using a worm-drive circular saw with a carbide blade set at 5/8-in. deep, I cut through the lathe and plaster with the saw's baseplate up against the ceiling, cutting right to left on the interior walls and then flipping the saw over and cutting left to right. That gave me a 1 3/4-in. slit about 1 1/4 in. down from the ceiling. I poured vermiculte insulation into the walls and stuffed fiberglass insulation into the upper cavity.
  I then nailed a 1 by 6 board over the slit, up against the ceiling, and caulked all the edges. When painted it makes a nice-looking border board. We could notice the difference right away in the house and our heat bills dropped. (Bob Moty, 3816 Crockett Ct., Crystal Lake, Ill. 60014 ph 815-455-3203)

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2009 - Volume #33, Issue #3