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Splines for counter-top & filling knot holes

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Forum topic by handystanley posted 08-14-2013 04:13 PM 1460 views 0 times favorited 7 replies Add to Favorites Watch
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handystanley

169 posts in 2376 days


08-14-2013 04:13 PM

Topic tags/keywords: spline knot holes

Going to begin working on a walnut bathroom vanity counter top. So here are a couple of questions:

1. Going to cut splines to edge join the boards. Each end of the counter top will be between two bathroom walls..so they will not be seen. How deep should the groove for the spline be cut and how wide should the spline be?

2. After planning I now have holes were the knots were. How do you go about filling them?

Thanks!

-- "Projects beget projects and projects beget the need to buy new tools and that is what the cycle of life is all about." Stan Pearse, Novato, CA


7 replies so far

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Charlie

1100 posts in 1749 days


#1 posted 08-14-2013 04:26 PM

How thick is the top? And how wide? If it’s an inch and a quarter or more thick, and 6 feet or less wide, I wouldn’t bother with the splines.

Experience: My island counter top is 8 feet long and 3 and a half feet wide and made of walnut. I also have a small (36 inch) counter top in a “hutch” that holds a wall oven. Each board is about 4 inches wide and the top is just over an inch and a quarter thick. No splines, no biscuits. Just glue and clamps (lots of clamps!)

View Don W's profile

Don W

17962 posts in 2030 days


#2 posted 08-14-2013 04:44 PM

I agree with Charlie. I wouldn’t say I’ve made a lot of countertops, table tops and vanity tops compared to some of the guys on here, but I’ve done the splines, bisquits and dowels and for what you’re doing I’d just glue it up. If you’re set on a spline, I’d go 1/4” deep and wide.

As for filling the holes, you didn’t mention how big they were. You can cut plugs, make buterflies, fill with epoxy, (insert things I’ve forgot or don’t know about yet), smaller holes can be filled with a mix of glue and sawdust….....

Edit, the brackets I used cut out some of it.

-- Master hand plane hoarder. - http://timetestedtools.net

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Charlie

1100 posts in 1749 days


#3 posted 08-14-2013 04:50 PM

Holes in walnut also look VERY cool filled with epoxy and turquoise grit or another colored stone that would fit the general scheme of the room.

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handystanley

169 posts in 2376 days


#4 posted 08-15-2013 04:11 AM

The counter top will be 21-3/4” wide x just shy of 9’ long. The boards are planned down to 7/8” thick.

Considering on using 1/8” luan for the spines.

Charlie…interesting idea about the use of colored stone. Where do you pick this up at?

This afternoon on my way home from work I picked up a can of epoxy resin and hardner from Marine West to fill in the holes. I am going to be ordering some dark walnut dye from Rockler tomorrow to mix in with the epoxy.

Right now I am thinking of using 4 to 6 Rockler bar clamps (http://www.rockler.com/product.cfm?page=29076&site=ROCKLER). Do you think that will be enough?

-- "Projects beget projects and projects beget the need to buy new tools and that is what the cycle of life is all about." Stan Pearse, Novato, CA

View realcowtown_eric's profile

realcowtown_eric

565 posts in 1400 days


#5 posted 08-15-2013 07:37 AM

I’d forget about splines and biscuits and all that unnecessary complications. simple glue joints will do fine.

depending on the width of the individual pieces, 4-6 clamps is about half what I’d have on hand. You may not need them all, but then again you might!

don’t forget to put some finish all the ends, the bottom, and the edges of the sink and tap cut outs…..

How you gonna scribe it to fit?I use two inch wide strips of corplast and hot melt glue to fasten them. . If yer walls are wavy- and they will be…., use your block plane to shave to fit. And If you try to be to precise, you will have problems getting it in better to be 1/16 undersized than bang-on precise. good luck.

Eric

-- Real_cowtown_eric

View bondogaposis's profile

bondogaposis

4027 posts in 1814 days


#6 posted 08-15-2013 12:50 PM

I would forget about the splines, just another way to mess up a project w/o adding anything. I would however use a waterproof glue in an application like this. Inlay materials can be found here.

-- Bondo Gaposis

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handystanley

169 posts in 2376 days


#7 posted 12-09-2013 03:01 AM

True it has been awhile….will start sealing the countertop tomorrow. Since the photo below I have removed it from the bathroom to the spare bedroom. Will be using Waterlox as my sealer.

-- "Projects beget projects and projects beget the need to buy new tools and that is what the cycle of life is all about." Stan Pearse, Novato, CA

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