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+-- Thread: marble window sill (/showthread.php?tid=7351188)
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RE: marble window sill - Cooler - 11-11-2019
I used to nitpick about dadoes. Dadoes originally were grooves going cross grain on lumber. All other grooves were called "grooves".
Nowadays they are all dadoes even on plywood or particle board.
"Stool" sounds too much like my doctor discussing bowel movements. I will stick with "sill".
Now that that's cleared up...
RE: marble window sill - Bob10 - 11-11-2019
PL Premium to attach it and seal the the edges like you would with anything else. If you ever need to remove it later a multi tool will get it out without breaking it
RE: marble window sill - aquaticjim - 11-11-2019
Each of the many construction adhesive companies manufacture a version for stone. I have granite on the sills in my master bath. Make sure you use spray foam insulation under the wind to isolate the marble as much as possible from air leaks that will create a cold surface. Make sure you tilt the stool slightly inward to allow water to drain.
RE: marble window sill - Cooler - 11-12-2019
(11-11-2019, 08:25 PM)aquaticjim Wrote: Each of the many construction adhesive companies manufacture a version for stone. I have granite on the sills in my master bath. Make sure you use spray foam insulation under the wind to isolate the marble as much as possible from air leaks that will create a cold surface. Make sure you tilt the stool slightly inward to allow water to drain.
Good advice. Thanks.
I think I have what I need at this point.
Thanks everyone.
Cooler
RE: marble window sill - MKepke - 11-12-2019
Since you are tiling the rest of the shower/bathtub area, just treat the window like its* a niche (including waterproofing).
The sill/stool would be thinset down over your water-proofing layer - Redguard, Kerdi, whatever.
You know to pick a marble-appropriate thinset I hope. The wrong adhesive, including the wrong thinset, can stain marble.
Tilt the sill/stool to drain water away from the window.
* see what I did there? :-)
-Mark
RE: marble window sill - Tapper - 11-16-2019
(11-11-2019, 08:48 AM)crokett™ Wrote: I would screw cement backer board to the framing around the window and then thinset the marble to that. Depending on how far the marble extends out from the wall you may need corbels or brackets attached to the wall to support it.
^^^^^^ This.
Doug