FEBRUARY JLC 2000
by Dave Holbrook
The survey results are in: 12 out of 13 people don't want to
hear any sounds coming from the bathroom. Ignoring
that thirteenth character, perforated white NoiseReducer batts
when used to
fill interior stud
bays. The manufacturer
inch-thick batts add
4 to 12 points to
the sound transmission
class rating of
the wall assembly.
(Plan on using thermally-
in exterior walls.) The batts come in 15- and 23-inch
widths at a cost of about 16¢ per square foot.
Contact: CertainTeed Corp., Valley Forge, PA; 800/233-8990;
fax 610/341-7571; www.certainteed.com.
Emergency Power Panel
We may have put the fear of Y2K behind us, but there are
still weather- and accident-related