That will make room for the mounting flanges on the grab bar. These circles should be approximately two inches. Figure out the distance between the top of the shower wall and the stud. You can use a utility knife for the precise cutting to ensure that your grab bar will fit your shower perfectly. Put the lag bolt and washer into the mounting spacers. Then, put the completed mounting spacer lag bolt into the hole you just drilled. This is where you will need a socket wrench to make sure that the bolt is firmly in the wall.
Add a small amount of silicone caulk around every hole you have drilled. This caulk will allow the seal to be watertight, which is important since it is a shower. You will need your screwdrivers in order to tighten the mounting bracket onto the spacer. You will need to peer in closely to ensure that the bracket actually touches the shower wall.
You can continue to use your screwdriver to finish mounting the actual grab bar onto the mounting brackets. The final step of the installation is making sure that the grab bar actually works.
How do you do that? Easy, just grab the bar and give it a yank. Suppose the bar comes loose from the fiberglass; that likely means that you did not install it over a wall stud. You will need to relocate the studs in the wall and begin the process again to anchor the grab bar to your fiberglass firmly.
Although it may seem intimidating to install a grab bar on fiberglass when there is a risk of it cracking, your family will thank you when they can grab ahold of the bar in the slippery shower or bathtub and stop themselves from taking a tumble. With these easy steps, you can ensure that a shower is a safe place for everyone to be.
Suction grab bars can work on fiberglass provided that the intended users do not weigh more than pounds. Insert the lag bolt and washer into the mounting spacers. Insert the mounting spacer lag bolt assembly into the pilot hole. Drive the bolt into the stud with a socket wrench until its hand tight. Place the mounting bracket with the disc side of the bracket facing you onto the mounting spacer.
Screw the mounting bracket onto the threaded shaft of the spacer until the back of the mounting bracket disc touches the shower wall. Align the screw holes on the grab bar mounting flanges with the holes on the mounting brackets.
Drive screws through the holes with a screwdriver until they are hand tight to secure the grab bar to the shower wall. Attach the other grab bar the same way. Grab bar mounting brackets must be attached to wall studs. Failure to do so may result in the grab bar pulling out of the shower wall during use, which can cause you to fall.
Alexis Rohlin is a professional writer for various websites. In the case of fiberglass shower it may have some sort of reinforcing materials already in the walls to stiffen the fixture. If the reinforced fiberglass or acrylic wall is not specifically labeled as built for grab bars and meeting the ANSI load requirements, then additional reinforcing will be needed. Interlock Grab Bar Kit shown in Fiberglass shower. The problem that presents itself with adding a grab bar to a molded fiberglass shower is there is no way to access the frame to add in solid wood blocks between cavities to allow the grab bar to be mounted properly to something.
This is why products like the solid mount are an ideal solution for anchoring grab bars to existing fiberglass shower walls.
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