Planning a bathroom remodel?
before you dive in construction, see our tips and information on bathroom plumbing and materials.
Before deciding on relocating any plumbing fixtures, a few more critical decisions must be made in abathroom remodel.
Minimize long horizontal runs of drain and vent pipes by installing fixtures on or close to the wet wall.
Plan for a layout that’s comfortable and convenient.
Sinks and vanity sink tops range from 20 to 30 inches in width.
A standard bathtub is 60 inches long by 32 inches wide.
If your plans call for a larger tub, alter the layout to fit it.
The framed openingnot the finished wallmust be 60 inches long to accommodate a standard tub.
The framing must be almost perfectly square.
Local codes may call for a 4-inch main drain, and some plumbers prefer to run larger vent pipes.
Cast-iron drainpipeis coming back in some areas because it’s quieter than plastic pipe.
However, cast-iron pipe should be installed by a pro.
Reduce the noise of water draining through PVC by wrapping the pipe with insulation.
Bathrooms are usually supplied with 1/2-inch pipe.
Run 3/4-inch pipe to the bathroom for maximum water pressure and use 1/2-inch for short runs only.
While exploring layout options, maintain these clearances in your plan to ensure ease of use and installation.
You also might be able to tie into an existing vent on the same floor.
Consider hownew plumbing lineswill affect existing vents.
This plan calls for a 3-inch horizontal drain; codes may permit 2-inch pipe.
Seal openings where pipes enter attics or crawlspaces to prevent drafts and to act as fire stops.
Consider Your Drain-Waste-Vent System
The pipes supplying hot and cold water can run in any convenient configuration.
Related:Everything it’s crucial that you Know About Venting for Successful DIY Plumbing Work
