Tub overflow elbow standard screw pattern; 2 or 1 screw?




Last Updated February 27, 2016 01:09 AM

Is there a standard screw for tub overflow elbows? Or most popular? I am installing a new tub and looking for a overflow elbow with a screw pattern that will lend itself to a stylish overflow now, and replacement parts for when it gets rusty and grimy down the road.

I've included a picture of a one-screw overflow and two-screw that I have available to me.

Answers 2

Actually, the only standard is what your bath faucet, knob, overflow & drain (maybe showerhead too, but who buys those they're always the worst clean out the warehouse afterthoughts) ensemble is. The manufacturer of whatever you buy should include its own overflow & drain. If you already have it & it doesn't have these for some reason, then either is fine & just depends on what's available at the store.

February 27, 2016 00:03 AM

Get the 2 hole one; it'll work for those, and single screw...

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I've tried looking all over for a solution, but I've yet to find a solution that matches my situation. The cover I have (I think) is supposed to turn so the hole is downwards so you can remove the screw to remove the cap. However, this unit seems to be (somehow) installed upside-down. The cap can rotate easily from the 12 o'clock to the 3 o'clock, but there's a rim inside that's mostly covering the screw inside. I can also turn the cap (with some effort) from 12 o'clock to 10 o'clock but it sounds like something is cracking or grinding when I do.

I also tried removing the screw despite the metal rim inside, but it just loosened until it was pressing against that rim and wouldn't come out any more.

In case anyone is wondering, I'm trying to remove it because I think there's leaking happening behind there.

As requested, here's a closer picture of the hole in the cap. I highlighted the screw head as it's hard to see. You can see that the screw head in...

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In addition to the answer provided by Drew Dias, keep in mind that the building code specifies spacing which may be overridden by the construction notes on a set of plans. Fire walls often require additional screws and inspectors in some jurisdictions are especially critical of both screw patterns and how close to the edge of the sheet screws may be placed. I have worked in locations, Pinellas County Florida comes to mind, where entire rooms had to be torn down and replaced because the screws were too close to the edge of the board, or where the screw had punctured the face paper. Ditto for screws in exterior sheathing. Drywall installation as I am sure Mr. Diaz knows, can be simple or extremely complicated, and when the inspector says "rip it out and do it again and call me when you are ready", the only answer is " yes sir or yes...

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