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Re: Loose Joints

Author: clarnibass
Date: 2011-06-14 05:04

The problem is either from the cork or from a loose fit of the tenon itself.

If it's the cork then there are several possibilities.
The cork just might be too thin and needed to use a thicker cork.
If very thick cork (e.g. 1.6mm or more, without much or any sanding) needs to be used, then it's possible it wouldn't be very solid for long. In that case, either the tenon needs to be modified to allow a thinner cork to be used or a two layer cork is need by first corking with a firmer material like rubber cork (aka tech cork, aka gumi cork), then installing the natural cork over it.
Some tenons are for whatever crazy reason made wavy... it wouldn't be terrible with old (worse IMO) method of installing with shellac, but the makers originally installed with contact glue! These tenons support the cork poorly and best to fill the gaps for better support.

If the tenon itself is loose then even the firmest cork probably can get slightly loose at some point if not imediately. Then best to correct the problem instead of trying to get around it with the cork.

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