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New Member
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Jan 11, 2012, 12:55 PM
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Cutting cultured marble
How can I cut 2 inches off a cultured marble sink?
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Ultra Member
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Jan 11, 2012, 06:03 PM
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Need more info.
Why the cut.
Where the cut.
Type of finish in the area u want to cut.
Chuck
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New Member
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Jan 12, 2012, 07:39 AM
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I was given a 55" wide sink/counter top for the restroom and my existing sink/counter top that I want to replace is in a 53" space. So to fit between the 2 walls I need the new sink to be 2" shorter.
Thank you!
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Ultra Member
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Jan 12, 2012, 08:41 AM
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If sink is center on counter cut 1 inch from each side. Allow 1/16 inch for wiggle room.
U can use a power saw with a carbide tip blade with at least 40 teeth per inch. I like a 60. This will give a smooth cut.
Cover area to be cut with duct tape. This will help prevent chipping.
Hot glue a strip of wood to counter as a straight edge.
Take ur time while cutting. Do not push to fast.
Sand cut edge with fine grit paper to remove sharp edge. Install and finish edge with caulking.
Good luck
Chuck
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New Member
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Jan 12, 2012, 08:46 AM
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Wow, just a regular circular saw!? Sweet! I will give it a try! Thanks so much! Does it matter if I cut from the top or the bottom of the sink? It has a formed back splash, so for that it seem I have to cut from the back.
Thanks again!
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Ultra Member
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Jan 12, 2012, 09:28 PM
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Have never tried cutting from back. Usually not smooth enough for a clean cut.I have cut the back splash first using a saber saw. Also have used a hack saw.
Chuck
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Junior Member
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Jan 13, 2012, 06:12 PM
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I've always used a fiber-type masonary blade, or a diamond concrete blade.And I've had fine luck cutting from the back using these.Be ready for a lot of dust, whichever way you go.
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New Member
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Jan 15, 2012, 05:54 PM
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Flip the sink over on a couple of saw horses and on the back side of the sink, draw a line with a lead pencil where you want to make the cut. Assuming the bowl is in the center and you want to keep the bowl in the center, you'll want to cut 1 inch from each side. If the location of the bowl is not important to you, you can cut 2 inches from only one side. If you're going to cut one inch from each side, draw your line one inch from the edge, and after you've made your first cut, measure over 52 7/8" to the other side and draw your line. (This will allow room to install it between the walls.) Be sure to draw this line down the back splash as well. If your pencil won't write on the back side of the back splash, which may have gel coat on it, use a Sharpie, China Marker (grease pencil) or crayon.
Make sure your sink is hanging over the edge of the saw horses and using a circular saw and a simple carborundum (cement) blade, make your longer cut. This type of saw bade won't chip the marble but will create dust so wear a dust mask. Set your carborundum blade to cut at least 1 ½ inch deep because when you get to the back splash part of the sink, you'll want to cut deeper than the 3/4" thickness of the countertop. After you cut all the way to the end, you're ready to cut the back splash part of the vanity top. Start at the bottom, cutting up. (It's upside, down so you're actually starting the cut at the top of the back splash). Align your saw so you'll meet the previous cut you made. When you cut through to your previous cut, your 1" wide piece will simply drop off.
Sand the sharp edges with some 60 or 100 grit dry sandpaper. The gel on the surface of the sink will be quite sharp.
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New Member
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Oct 18, 2013, 06:28 PM
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Will this method work if we want to cut out the sink portion? The sinks finish has worn off so we thought if we could cut out the sink, we could purchase a drop in. What are your thoughts?
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Home Improvement & Construction Expert
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Oct 20, 2013, 01:40 PM
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You can probably do that but is it worth it?
If you do decide to try cutting out the existing bowl, purchase the drop in replacement sink. Turn it upside down on a piece of card board. Mark its outline. Measure the flange. Cut out cardboard pattern. Put masking tape around existing bowl so you can see your cut line. Put pattern over existing bowl and mark cut line. Drill hole two holes inside the cut line on opposite sides of bowl. Use jig saw to cut out existing bowl. At each hole cut a few inches in each direction. Put a wooden shim under bottom counter top at each hole. Run screw (with washer) into shim from top to support bowl as you cut. You don't want bowl to drop as you finish cutting.
Cultured marble counter tops are not that expensive and not difficult to install, is it worth it?
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