how do I insulate register boots

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Old 02-02-08, 08:16 PM
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how do I insulate register boots

How do I insulate the register boots in the crawl space under the house? This is all new installation so I would like to insulate them in a shop and then install them. The sub-floor is not down yet. I bought all my HVAC stuff as a system and I got a roll of reflextic boot wrap which I'm thinking is what I'm supposed to use. The roll is about 3 feet wide. If this is the right stuff to use what's the easiest way to cut and attach it to the boot. The boots are various sizes but basically the rectangle turning into a round duct style. If there is a web site that shows what to do or at least a picture of what a finished one would look like that would help.
 
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Old 02-05-08, 12:00 PM
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Like said. No insulation on the duct or pipes in the crawl space. 2 small registers for out and one small return down there. 6 mil poly on the ground and 2" or 3" insulation on the walls. A block of R19 insulation in each joist space on the sill plate all around the home. This lets the crawl work as a heat sink for you . go
http://aboutsavingheat.com/crawlspace.html
 
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