How To Rough In Bathtub Plumbing

Introduction

Installing a bathtub is one of the most important tasks in bathroom renovation. Before installing a bathtub, you need to rough in the plumbing. Roughing in plumbing involves installing pipes, valves, and drains that will connect to the bathtub. In this article, we will discuss how to rough in bathtub plumbing.

Tools and Materials

The following tools and materials are required for roughing in bathtub plumbing:

• Tape measure
• Pipe cutter
• Soldering torch
• Lead-free solder
• Emery cloth
• Adjustable wrench
• Plumbers putty
• Bathtub drain assembly
• Bathtub overflow assembly
• PVC or copper pipes
• Valves

Step-by-Step Guide

Step 1: Measure and Mark

The first step is to measure and mark the location of the bathtub drains and water supply valves. Use a measuring tape to determine the distance between the center of the drain and the center of the overflow. Mark the location of the drain and overflow on the subfloor.

Step 2: Install Drain and Overflow Assemblies

Install the bathtub drain assembly and overflow assembly. Apply plumbers putty to the underside of the bathtub drain flange and insert it into the drain hole. Tighten the drain flange from the underside of the tub. Insert the overflow assembly into the overflow hole and tighten the screws from the front of the tub.

Step 3: Install Water Supply Valves

Install the water supply valves. Use a pipe cutter to cut the pipes to the correct length. Clean the ends of the pipes with emery cloth. Apply flux to the ends of the pipes and insert them into the valves. Heat the joints with a soldering torch and apply lead-free solder to the joints.

Step 4: Install Pipes

Install the pipes that will connect the drain and overflow assemblies to the water supply valves. Use a pipe cutter to cut the pipes to the correct length. Clean the ends of the pipes with emery cloth. Apply flux to the ends of the pipes and insert them into the valves, drain, and overflow assemblies. Heat the joints with a soldering torch and apply lead-free solder to the joints.

Step 5: Test the Plumbing

Test the plumbing by turning on the water supply and checking for leaks. Fill the bathtub with water and check for leaks around the drain and overflow assemblies. Make any necessary adjustments to the plumbing before installing the bathtub.

Conclusion

Roughing in bathtub plumbing is an important task that requires careful planning and attention to detail. Follow these steps to ensure that your bathtub plumbing is installed correctly and functions properly. With the right tools and materials, you can rough in bathtub plumbing in no time.