with or without laminate ? - Router Forums
 
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post #1 of 9 (permalink) Old 12-17-2009, 02:42 PM Thread Starter
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Default with or without laminate ?

i have a question concerning laminate, in the process of building a new router table and i have seen a few router tables without laminate and some with if the top and bottom is finished with a poly would it be necessary to apply laminate?
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post #2 of 9 (permalink) Old 12-17-2009, 03:03 PM
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Nope. Personal preference applies.

One should have a flat surface on which workpieces slide easily. This can be achieved with laminate. It can also be achieved by sealing the top, with something like poly, Danish Oil, Tung Oil, shellac, varnish, wax or whatever.

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post #3 of 9 (permalink) Old 12-18-2009, 08:42 AM
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One of the reasons you see lam on both sides is to create equal tension. Quite often a table top is made up of 1 or 2 sheets of 3/4" MDF, AC or cabinet grade plywood, top and bottom layer of 1/4" hardboard and then a top and bottom layer of lam.

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post #4 of 9 (permalink) Old 12-18-2009, 08:51 AM
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Laminate will last you for ever but as mentioned, both sides must be covered to prevent warping.

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post #5 of 9 (permalink) Old 12-18-2009, 10:18 AM Thread Starter
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thank you to everyone for such quick replys.
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post #6 of 9 (permalink) Old 12-18-2009, 10:42 AM
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Quote:
Originally Posted by Ghidrah View Post
One of the reasons you see lam on both sides is to create equal tension. Quite often a table top is made up of 1 or 2 sheets of 3/4" MDF, AC or cabinet grade plywood, top and bottom layer of 1/4" hardboard and then a top and bottom layer of lam.
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Originally Posted by harrysin
Laminate will last you for ever but as mentioned, both sides must be covered to prevent warping.
Thanks guys I never knew that. I have an old kitchen counter top I was going to make into a router table. I will laminate the bottom side or should I sandwich the 2 together to make it a 1 1/2" thick?
Thanks again.
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post #7 of 9 (permalink) Old 12-18-2009, 11:55 AM
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Originally Posted by okanagan View Post
Thanks guys I never knew that. I have an old kitchen counter top I was going to make into a router table. I will laminate the bottom side or should I sandwich the 2 together to make it a 1 1/2" thick?
Thanks again.
I would make the top 1-1/2" to help with sagging over time. If using a plate you will cut very center out to mount router.

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post #8 of 9 (permalink) Old 12-18-2009, 06:23 PM
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okanagan,
It would depend on the make up of the counter top.
Often home made and factory built may only be 3/4" thick in the field and doubled or tripled up at the perimeter.

Many hot mold factory jobs are set with raised drip edges.
If I were to consider it and the counter top was going to be junked anyway I'd cut it into the shape I wanted then run a trusted 3' metal straight edge over it with a bright flashlight.

I don't know about the rest of the guys but here but I'd accept being able to slip a couple maybe 3 of sheets of writing paper between the straight edge and table, but that would depend on where the depression/s were.

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post #9 of 9 (permalink) Old 12-18-2009, 08:58 PM
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+1 on laminating the unfinished sides on 2 panels to get 1-1/2" thick. In addition to added rigidity, you have equal tension / moisture (changes in humidity) absorption, which will help maintain flatness. Even with a ridgid steel base, if the bottom swells unevenly with a change in humidity you either have induced stresses or an uneven top.

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