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Thread: laminating glue
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22nd May 2009, 11:47 PM #1
human termite
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laminating glue
i have built a bar out of cedar with a mdf top which i want to laminate with 10 ml silky oak then2 pack over top, what do i use to glue/epoxy the silky to the mdf with ? ....thankyou..bob
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23rd May 2009, 12:13 AM #2
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I kinda did that with our kitchen bench top recently, but I deduced that the solid wood would want to move with weather etc and the mdf wouldn't, so going on the theory that you gotta let wood move if it wants to cos it will even if you don't want it to , I sort of glued it to itself, fixed it at the front of the bench and had these slidy screw hold downs at the back. (Nothing fancy. Just slots for the screws to slide in.
) Hasn't warped yet. Been a whole 4 weeks.
anne-maria.
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23rd May 2009, 12:54 AM #3
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23rd May 2009, 08:54 AM #4
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epoxy.
you will have to sandwich the mdf with silky, with the grain direction matching for the reason the Tea lady deduced
Seal it really well. Even so, it is fraught. 10mm thick veneer can do a lot of work and if the EMC of the two layers changes (more heat one side, less ventilation etc etc) or even if they start out with different MC, you'll have a hard time stopping movement.
Cheers
Michael
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23rd May 2009, 10:04 AM #5
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would there be any benefit in going down to 5mm or would that make it worse?, i want to then cover it with 2 pack polyurathane (pour-on).....bob
Originally Posted by mic-d
epoxy.
you will have to sandwich the mdf with silky, with the grain direction matching for the reason the Tea lady deduced
Seal it really well. Even so, it is fraught. 10mm thick veneer can do a lot of work and if the EMC of the two layers changes (more heat one side, less ventilation etc etc) or even if they start out with different MC, you'll have a hard time stopping movement.
Cheers
Michael
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23rd May 2009, 10:29 AM #6
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Even 1mm veneer has the power to move the substrate. I assumed you could get the top off when I wrote the answer below. Originally Posted by robyn2839
I would just ensure that the veneers for both sides are at the same MC, by storing them in the same area with plenty of air around them. Don't know how long exactly, maybe a couple of months. You might also want to use the same cut of wood for both sides, eg all qtr sawn or all backsawn (may not be important but they will move at different rates... if they move.)
Cheers
Michael
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