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blown in...

Posted by jb on October 22nd, 2001 02:55 PM
In reply to The least expensive way to insulate a 100 year old two story home by Cheryl Mitchell on October 22nd, 2001 11:39 AM [Go to top of thread]

I would look into blown in type. There are some companies that use expanding foam but it is a bit tricky and probably costs more. Are you doing this yourself or having someone come in and do it? You use a hole saw and cut a hole into each stud bay, usually from the outside through the siding. There probably is blocking here and there. Sometimes each wall has 3 or more blocked in segments so each bay usually needs 2-3 holes. PLUS you have wind bracing. The pros use special probes (diy'er could use a wire fishing tool) to probe up and down from the hole, inside the bay to feel where any blocking might be in EACH bay.

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