Insulating Metal Ductwork In Crawl Space

Your home s supply and return ducts may or.
Insulating metal ductwork in crawl space. Finally installers will spiral wrap the ducts to building code with r 11 insulation. There are several products but i tend to go with the high density foil backed fiberglass wrap most of the time. Things to consider when addressing your duct work.
Insulating ducts reduces the load on your furnace. Remove several duct hanger brackets and slide the insulation around the top of the duct. Adding insulation to your ductwork regulates the temperature.
You ll also save on furnace maintenance and repair. Then peel away the foil backing and cut off 2 in. How to insulate furnace ductwork in a crawlspace 1.
Round vs rectangular i always seal any seams in the insulation with foil tape. When you aren t heating the air twice to get your home to the right temperature you ll save on your utility bills. Any time you have heating ductwork in an unheated area it is very wise to insulate it.
It keeps your ducts from being affected by the temperature in the crawl space. The exact type differs depending on the shape of the ductwork. Measure the circumference of the ducts running through your crawlspace.
Cut the ductwork insulation to match the circumference of the duct plus 2 in.