How To Insulation The Floor Around Plumbing

A floor with ducts also should be insulated with a continuous layer of thick rigid foam under the floor joists.

How to insulation the floor around plumbing.

Rigid foam has a higher r value than batts so. Installing roll insulation in ceiling of basement which is under floors of living space my basement is heated but a smaller amount than up in living space usually 66 68 upstairs and 58 60 at the same time in basement my question is about the kraft paper facing i think it should face the basement because of any moisture in basement. 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. Whenever possible run the insulation between the obstructions and the subfloor.

If you re insulating framed walls make sure the insulation is the correct thickness for your wall studs. Insulate ducts and plumbing and put them close to the floor. 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. Measure between joists if insulating a floor or attic or studs if insulating unfinished walls to find the correct width for the insulation.

Tuck the front half of the insulation into the stud cavity in front of the pipes. Some people leave the front piece off to keep the pipes warmer but this decreases the r value of the wall. Work the insulation around pipes wires and heating ducts. Cut slits in the insulation so you can run it on.