Question on installing grab bar on bath tub wall

Old 02-14-17, 06:07 AM
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Question on installing grab bar on bath tub wall

I have a ranch home built in the early 1950s. The bathroom tub is on an outside wall and the wall above the tub has glazed tile to 4 feet above the tub. I would like to install a grab bar on this tiled wall. However, I am having problems finding the wall studs behind the tiles. My Zircon stud sensor is giving odd results - it tells me there is a stud every 5 inches? Wondering if the stud finder will not work through tile? Or is the wall behind the tiles constructed in some peculiar way back in the 1950s?
Any input/suggestions would be appreciated,

Old 02-14-17, 06:55 AM
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What is on the other side of the wall? If you can locate the studs on the other side you can transfer the measurements.
Old 02-14-17, 07:01 AM
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If your walls are drywall, I would use a magnetic stud finder at the level above the wall tile.
One type is called stud 4 sure, it has powerful magnets that will find and hold onto the nails or screws.
I don't know of any stud finder that works through tile, I don't even trust them through drywall.

Here's a link to grab bar anchors rated at 500 pounds:
MOEN SecureMount Stainless Steel Grab Bar Anchors in Chrome (2-Pack)-SMA1000CH - The Home Depot

You will need to avoid studs in order to install these. The max thickness is 1.5", so a mortar bed might or might not be a problem.
Old 02-14-17, 11:04 AM
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I understand not finding the studs through the tile, but it should work above the tile; similar to what Handyone suggested, but using what you already have. Then you just use a level down to where you want them. Wide masking or painters tape works well to make your marks on.

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