How To Insulation The Floor Around Plumbing

Measure between joists if insulating a floor or attic or studs if insulating unfinished walls to find the correct width for the insulation.

How to insulation the floor around plumbing.

Insulate ducts and plumbing and put them close to the floor. Rigid foam has a higher r value than batts so. If hvac ducts are routed through the floor assembly the floor joists must be deep enough to install several inches of insulation under the ducts. Tuck the front half of the insulation into the stud cavity in front of the pipes.

Use our roll insulation calculator to estimate how much roll or batt insulation you ll need. A floor with ducts also should be insulated with a continuous layer of thick rigid foam under the floor joists. Cut slits in the insulation so you can run it on. Some people leave the front piece off to keep the pipes warmer but this decreases the r value of the wall.

If you re insulating framed walls make sure the insulation is the correct thickness for your wall studs. Whenever possible run the insulation between the obstructions and the subfloor. 3 06 the better way to insulate a wall cavity with plumbing pipes in it is to use rigid board insulation. When at all possible today s plumbers avoid running water supply lines and drainpipes in exterior walls to reduce the risk of the pipes freezing.