I have a piano bench to repair that looks to have been doweled with hide glue. Will the ready-to-use hide glue (Franklin) reactivate & mix with the old or will only traditional hot hide glue do that?
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Replies
No replies yet, eh? Well, I can only pass along a quote from Michael Dresdner:
Not a clear-cut answer, sorry, but it sounds like the old-fashioned approach would be the most reliable. On the other hand, if you try it with the liquid HG and it doesn't work, not much is lost, you can re-do the joint yet again with the hot hide glue. If I were going to try it, I'd steam the original glue a bit to soften it up good, and probably heat the liquid HD a bit (maybe 110*'s?) before applying it.
forestgirl -- you can take the girl out of the forest, but you can't take the forest out of the girl ;-)
Well I decided to call Franklin to get their answer on this (from work--their dime). The ready to use glue is very similar to the traditional, but with the addition of stabilizers to give it some useful shelf life. It will bond with the old glue. No need to remove any of the old. Most important is a tight joint--nothing new there.
I like the idea of using a reversible, repairable glue. This piano bench has the aprons attached to the legs with 2 1/4" dowels. No bracing was used. It has survived about 60 years like this but I feel racking & loosening will always be a problem.
Thanks for letting us know the results of your conversation. I'm liking the idea of using hide glue also -- flexible application procedure and reversability are major pluses!forestgirl -- you can take the girl out of the forest, but you can't take the forest out of the girl ;-)
I started using hide glue several months ago and so far I love it. I made a couple of boo-boos and was able to "unglue" the joint very easily. I used a little very hot water and my heat gun for a few minutes and the joints came apart with little effort. I cleaned them out with hot water when I got them apart and reglued them in the right position. While this doesn't answer you question about the off the shelf glue reactivating the origial glue, I would guess that it would not. From my experience, the heat and moisture will be needed. Hope this helps. Spencer in Tallahassee
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