Running Pex Through Floor Joists

Have a helper feed the line to avoid kinks and snarls.

Running pex through floor joists. Secure the line to the joists using clamps image 2. Running drainpipe through joists calls for meticulous work. Run it the length of the joist bay the space between joists to the hole in the next joist at the other end of the room. 3 pull pex tubing through each hole down the length of each joist bay.

Do your best to separate the hot and cold lines to minimize heat transfer. I need to replace most of the 60 year old copper plumbing in my house and have been considering pex. The holes must follow a straight line across the floor and must ascend or descend so the pipe will be sloped 1 4 inch per foot. But they were run under the joists instead of through them as would be required by code for electrical wires.

Notches can t be deeper than one sixth of the joist depth. Run the water lines through the center of the joist and don t drill holes bigger then you have too. So the otherwise flat ceiling has an 18 foot long section where the drywall is an inch lower than the surrounding drywall. And it entirely depends on the type of floor joists you have.

The lower section is about 8 wide to accomodate the two pipes. Using a stud finder determine which way the joists run the ceiling. Running pex through floor joists. Keep the hole at least 2 in.

Pull the lines up through the holes drilled in the sub floor image 1 and then run the other end to the area where the water will be coming into the home. Terry may 12 2013 3. If you have a standard 2x. Area in the middle of the 2 10.

Run your main lines first. Jun 25 2005 occupation. Be sure to leave extra pipe on both ends of the run. Floor joist then where i am from you can run water lines through them.

Some manufacturers recommend adding abrasion clips at each hole. Many of the lines need to be moved as part of a remodel and as i pencil out how the new lines would run i m trying to decide if pex is really meant to be run through holes in joists like romex for example or whether it should be placed beneath runners that span the bottom of the joists. In the case of your 2 10 joists the maximum diameter is 35 64 in. In the case of your 2 10 joists the maximum diameter is 35 64 in.

That gives you a 5 1 4 in. If you re running pex through joists or studs drill 3 4 in. You also have to leave at least 2 in. The issue isn t with the water lines it s with where you drill the holes.

You leave 2 on the top and 2 on the bottom of the floor joist drilling in the middle portion.