When you take in consideration remodeling your home, maybe you need to plan your new plumbing service. This is means that you need new routes for your running pipes. Obvious, when you build a new house, where you do not have the drywall installed and the framing is exposed, running pipes is an easy job. In a home remodeling, the things are more complicated.
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a) First, you do not know what to expect when you remove the flooring or the drywall. Maybe you need to make changes in your plan.
b) Removing and replacing back the walls and flooring, after plumbing, it is a long and expensive job. However, it is better to make large openings in walls. Your plumbing job will be simplified. Anyway, replacing an entire drywall is easier than patching walls.
First, you should open the drain and vent lines. Usually, the supply lines run alongside the drain and vent lines. Therefore, opening the drain and vent lines will make your job easy.
Running, Stabilizing and Protecting the Pipes
The best way is to make holes through the middle of framing elements.
a) Run the pipes through the holes.
b) To be sure, they will not rattle line felt or use wooden shims inside the holes. Place the wooden shim under the pipe until the pipe is well fixed, but not too tight.
c) When you need notches, make them very small otherwise, you can weaken the framing element.
d) Use metal plates to avoid the contact between your pipes and nails.
Check the Plumbing System Before Moving In – Smart Ideas (howtobuildahouseblog.com)
Running Pipe through a Floor
To run a drainpipe through a floor is not an easy job. You should plan everything carefully. Take into consideration two aspects:
a) You need to run the drainpipe through joists, which is a pretty hard work to do.
b) The drainpipe has to follow a straight and a sloped (1/4” per foot) line.
Running Pipe through a Wall
Running a vent pipe is somehow different from running a drainpipe. They run straight or at least in a slight slope toward the main drain.
