Learning the Basics of Plumbing for Bathtub Installation
Learning the Basics of Plumbing for Bathtub Installation
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Everybody seems to have their own unique opinion when it comes to How to Install a Bathtub Yourself.

Installing a tub isn't exactly brain surgery, yet it does need strong plumbing, woodworking, and often, tiling abilities. Changing an old bathtub with a brand-new one is also a moderately tough task. If the old tub is easily available, the task can relocate quickly; if you need to open a wall surface to remove the old bathtub as well as position the brand-new bath tub, the job is much harder. In either case, the job is within a residence handyman's abilities, although you will certainly need an assistant to leave the old tub and also embeded in the brand-new one. See to it you have actually qualified yourself for the task and also are comfortable attempting it. Instead of hiring a contractor to take over a halfway-completed task, it is far better to consider utilizing one prior to you start. Chances are you might need an expert plumber to make tube connections.
This post will certainly assist you set up a brand-new bath tub in your washroom if you have currently purchased a brand-new bathtub and also don't need to alter the setup of your previous water supply pipes.
Your devices and also material list ought to comprise the following:
Removing Old Touches
If you need to replace old taps with new ones as a part of your installment, after that the first thing you need to do is separate the water. After doing so, switch on the taps to drain pipes any water staying in the system. The procedure of removing the existing faucets can be fairly problematic because of the limited access that is commonly the case.
Use a container wrench (crowsfoot spanner) or a tap tool to undo the nut that links the supply pipes to the taps. Have a fabric prepared for the staying water that will certainly originate from the pipelines. When the supply pipes have actually been gotten rid of, utilize the very same device to loosen the nut that holds the faucets onto the bath/basin. You will certainly need to quit the single faucets from turning throughout this process. Once the faucets have been gotten rid of, the holes in the bath/basin will certainly need to be cleansed of any old securing substance.
Before going on to fit the new faucets, contrast the pipe connections on the old taps to the new faucets. If the old faucets are longer than the new taps, after that a shank adapter is needed for the brand-new taps to fit.
Fitting New Taps
If the tails of the brand-new taps are plastic, then you will need a plastic port to stop damages to the string. One end of the connector fits on the plastic tail of the tap and the various other end gives a link to the current supply pipelines.
If you require to fit a monobloc, after that you will certainly call for lowering couplers, which attaches the 10mm pipeline of the monobloc to the typical 15mm supply pipeline.
Next off, place the tap in the installing hole in the bath/basin guaranteeing that the washers remain in area in between the tap and the sink. Secure the tap in position with the maker offered backnut. Once the faucet is safely in place, the supply pipes can be linked to the tails of the faucets. The taps can either be linked by utilizing corrugated copper piping or with typical faucet adapters. The previous kind must be linked to the faucet finishes initially, tightening just by hand. The supply pipelines can later on be connected to the various other end. Tighten up both ends with a spanner after both ends have actually been linked.
Setting up the Bathtub
Using both wooden boards under its feet, place the tub in the required placement. The wood boards are valuable in evenly spreading the weight of the bath tub over the area of the boards instead of concentrating all the weight onto 4 small factors.
The next goal is to make certain that the bathtub is leveled all round. This can be accomplished by examining the spirit level and also readjusting the feet on the bathtub until the spirit level reviews level.
To install taps, fit the bottom of the furthest flexible tap port to the suitable supply pipe by making a compression join; then do the same for the various other faucet.
Turn on the water and examine all joints and also brand-new pipework for leaks and tighten them if necessary. Fill the bath tub as well as likewise check the overflow electrical outlet as well as the normal outlet for leaks.
Finally, fix the bathroom paneling as described in the producer's user's manual. Tiling and also securing around the bathtub should wait till the tub has been made use of at least when as this will resolve it into its last placement.
Getting ready for the Installation
To start with, the supporting frame supplied with the bathroom should be fitted (if needed) according to the supplier's directions. Next off, fit the taps or mixer to the tub. When suitable the faucet block, it is very important to ensure that if the faucet includes a plastic washing machine, it is fitted in between the bathroom as well as the taps. On a plastic bathroom, it is also practical to fit a sustaining plate under the faucets unit to prevent stress on the bath tub.
Fit the adaptable faucet connectors to the bottom of the two taps utilizing 2 nuts and also olives (sometimes provided with the bathtub). Fit the plug-hole outlet by smearing mastic filler round the sink outlet hole, and after that pass the outlet through the hole in the bath. Utilize the nut supplied by the manufacturer to fit the plug-hole. Examine the plug-hole electrical outlet for an inlet on the side for the overflow pipe.
Next off, fit the end of the flexible overflow pipeline to the overflow outlet. After that, screw the pipeline to the overflow face which need to be fitted inside the bathroom. Ensure you make use of every one of the supplied washing machines.
Link the trap to the bottom of the waste outlet on the bath tub by winding the thread of the waste electrical outlet with silicone mastic or PTFE tape, and screw on the catch to the electrical outlet. Link the bottom of the overflow tube in a comparable manner.The bath must currently be ready to be fitted in its last position.
Tiling Around the Tub
In the location where the bathroom meets the ceramic tile, it is needed to secure the joins with a silicone rubber caulking. This is very important as the installation can relocate enough to split an inflexible seal, causing the water to pass through the wall surface between the bath and the tiling, causing difficulties with moisture as well as feasible leakages to the ceiling listed below.
You can select from a range of coloured sealants to assimilate your components and also installations. They are marketed in tubes and also cartridges, and also can securing spaces as much as a width of 3mm (1/8 inch). If you have a larger space to fill, you can fill it with spins of drenched newspaper or soft rope. Remember to always fill the bath tub with water prior to sealing, to allow for the activity experienced when the bathtub remains in use. The sealer can split fairly very early if you do not take into consideration this motion before securing.
Alternatively, ceramic coving or quadrant floor tiles can be utilized to edge the bath or shower tray. Plastic strips of coving, which are easy to use as well as reduce to dimension, are likewise quickly available on the marketplace. It is suggested to fit the tiles using waterproof or water-proof glue and also grout.
How to Install or Replace a Bathtub
Find Your Dimensions
The first step in any bathtub installation or replacement is to select the right size tub for your bathroom. Start by measuring your existing bathtub’s alcove from wall to wall. The standard size for bathtubs is around 5 feet long and 30 or 32 inches wide. Purchase the size that’s closest to your previous tub.
After you’ve measured, you’ll need to figure out what type of tub you need. Face the alcove. If the drain is on the right-hand side, you’ll need a right drain tub. If it’s on the left, get a left drain tub. Easy enough, right?
Disconnect the Water Supply and Drain Assembly
Before you can start on your removal, make sure that you turn off the tub’s water supply. Some bathrooms have a shutoff valve, but if you don’t see one, you’ll need to turn off the supply at your house’s water main. Once the water’s off, open the valves to release any remaining air in the supply lines.
Then, disconnect the tub drain flange. This process varies based on the type of drain you have, but in most cases, you’ll need a drain flange removal tool to perform this task. If you’re feeling handy, you might be able to use a pair of needle-nose pliers to twist and pull the flange.
Now comes the fun part. In order to disconnect the drain assembly, you’ll need to be able to get to the space underneath the tub. You might need to access the tub drain from a crawlspace or a basement. Don’t forget to take a pipe wrench with you, as you’ll need it to loosen the pipe at the connection.
Cut Out the Old Tub
After removing the drainpipe assembly, you can take out the old bathtub. Cut a strip above the tub edge in the wall surrounding the bathtub that's about 6 inches in height. The tools you need here may vary depending on the type of wall surround you have in the alcove. If you’re cutting drywall, use a drywall saw and remove the section of the wall all the way down to the studs. If you have tile, you’ll need to use a grinder with a diamond blade to cut through the grout line. Then, use a chisel to remove the individual tiles. Take care here not to cut through any studs.
Find the tub flange. Remove the screws that attach the flange to the studs in the wall. At this point, the tub should be freed from the wall.
Once you’ve removed the flange, use a utility knife to cut away the caulk between the tub and the floor. When this is done, you should be able to lift the tub up and out of the alcove. Keep in mind that, depending on what it’s made of, the old tub could be tremendously heavy. You should plan to have a friend help you move it just in case.
Install the New Tub
Before you make any adjustments to the area, place the new tub in the alcove to make sure it fits properly and that the tub drain lines up with the P-trap underneath the floor.
Remove it and install a 2 x 4 ledger board. Measure the tub’s flange, then mark that height on the wall. Screw the ledger board to studs in the wall. This will help to support the weight of the tub.
Once the ledger board has been installed, go ahead and secure the drain to the tub. For this step, you’ll need some plumber’s putty. Roll a small amount of putty in your hands and wrap it around the underside of the drain flange. Push the drain into the tub from underneath the tub.
When the drain has been attached, connect the overflow drain. To do this, you’ll place the gasket on the overflow elbow and move it behind the tub. Once that’s on, connect the overflow pipe and the drainpipe, but take care not to overtighten.
Secure the Tub
After the connections are in, it’s time to set the tub in place. Before you start, make sure the flange lines up with the markings you made in Step 4. Because the ledger board holds the tub in place, it’s important that it matches up. If not, you’ll need to remove it and readjust.
Once your measurements line up, attach the flange to the studs on all three sides of the wall. Please note that you should not screw the flange to the wall. Instead, you should use roofing nails because they won’t rust over time. When the tub is in place, install the baseboard and the molding in front of and around the tub.
Repair and finish off the drywall or tile that you cut in Step 3. If you’re installing a fiberglass bath surround, now’s the time to adhere it to the alcove.
Then, enjoy your tub! While all these steps might seem intimidating, removing and installing a new bathtub is a relatively easy DIY project that can be completed in a single day. And now, when you settle in for your next bubbly soak, you can enjoy your bath without the distraction of a tub in disrepair.
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