Coping Saw

Tim Carter, of AsktheBuilder.com, shows how to easily cut perfect angles for trim in the corners of your room.

{ 25 comments }

AsktheBuilder October 26, 2011 at 12:08 pm

@Gel1ebtedesregens No, the circle is too big. You need a power jig saw.

Gel1ebtedesregens October 26, 2011 at 12:53 pm

is it possible to cut 1/2 inch plywood with coping saw
i need to cut a 10 inch circle in a sheet of plywood

warprin October 26, 2011 at 1:19 pm

THANKS!

AsktheBuilder October 26, 2011 at 1:33 pm

Very good tip. Thanks for sharing.

39knights October 26, 2011 at 2:09 pm

I usually use a jig-saw and coping blade, takes some practice. Which piece to cope? Good to remember to cope the piece along your line of sight to hide those slight imperfections even more.

schuhby October 26, 2011 at 2:29 pm

Thank you for taking the time to show this, I’m confident I can do this after watching your video.

tribulation138 October 26, 2011 at 3:07 pm

Thaaaannnkkksss TIIIIMMMMM

Centralia62801 October 26, 2011 at 3:44 pm

I learned this in college. To get the perfect cope, you need to follow this video but remember he has probably been doing this for awhile. My instructor told us to have patience and take our time. You also should take a carpenters pencil and trace the outside (it helps me alot) especially if you have vision problems. So far I’ve got A’s on my coping :P

AsktheBuilder October 26, 2011 at 3:55 pm

Bay-window cuts are too difficult to cope. Just miter the joint. Make some test cuts to get the perfect fit. Use a fine-toothed blade for smooth cuts.

searchlight22 October 26, 2011 at 4:01 pm

Tim !

When dealing with an inside corner which is not a 90, will coping work ? I have a corner which is about 130 d.
Can I still use a “straight” cut for the left side molding and cope the right side ? Or, vs versa.

Have you any experience with coping MDF moldings. It doesn’t seem to cut “as cleanly” as wood.

freakman420 October 26, 2011 at 4:32 pm

nifty.

Wolliom October 26, 2011 at 4:48 pm

How well will a Coping Saw cut through vinyl? I’m hoping to make a new pickguard for my old guitar.

AsktheBuilder October 26, 2011 at 4:54 pm

You should be able to make the cuts in a 10-inch saw. If not, just rent a 12-inch one for a day.

lti12 October 26, 2011 at 5:12 pm

vary good tip

jradai October 26, 2011 at 5:25 pm

ok… my husband have spent the entire weekend trying to make the corners fit doing the method that doesnt use coping. Then today, we tried to cope using a coping saw. the profile face has some detail. that was a nightmare! my spouse and I are hardly speaking. If I buy your EBOOK…can I do it your way using a 10 inch compound miter saw with 5 1/2 inch crown molding? Or do I have to go out and buy a larger one, as we have come to find out that compound miter isnt tall enough to hold our molding.

AsktheBuilder October 26, 2011 at 5:48 pm

Maybe…. It depends on the profiled face of the molding. Why futz with that? Cut crown the way I show you in my Crown Molding EBook.

jradai October 26, 2011 at 6:24 pm

will this same method work using 5 1/2 inch crown moulding at the ceiling?

AsktheBuilder October 26, 2011 at 7:11 pm

Just follow the instructions in this video.

magnetpi21 October 26, 2011 at 7:42 pm

Im putting some “waines coating trip around the top where the paneling and drywall meet. I’m having trouble coping in the the corners with this type of trim. I’ve coped before and usually get a decent fit. I can’t get this type of moulding to fit in right. Any idea’s.

AsktheBuilder October 26, 2011 at 8:03 pm

By gosh you are right! The sound editor didn’t catch that error when we taped. Impossible to fix now. Thanks for pointing that out. You are supposed to cut an *inside* miter at a 45-degree angle. Cutting the outside miter is completely wrong. Oooooops! That’s what happens when you work without a script.

drea12121 October 26, 2011 at 9:00 pm

inside or outside miter? you say outside, I kinda thought that was considered a inside corner.

fraydcat October 26, 2011 at 9:59 pm

Ok thank you I got it now You are just cutting the profile at a slight angle so the profile fits, great and thanks again, I’ll try it when I get home…

AsktheBuilder October 26, 2011 at 10:46 pm

Yes and no. Tilt the coping saw in about 5 degrees from the vertical. Before replying again, just go test it and report back.

fraydcat October 26, 2011 at 11:14 pm

So is that cut the 45 on the miter one way then follow the shape of the molding the other way at a 45?
Joe

AsktheBuilder October 26, 2011 at 11:59 pm

Excellent question! It is indeed a 45-degree angle. Be sure to cut at an angle so you get a great fit.

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