Coped Panel Doors

Aside from the typical widths of styles and rails used for cabinet doors, is there any width limit beyond which the coped glue joint will crack when the rail expands? Is this any better with mortice and tenon frames? How do they make the wide rails used in passage and entrance doors stay put?
Thanks very much.
TLE
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I don't if there is a "limit", but there are no promises when using wood.
I have seen brand new factory doors split.
You don't know how well the wood was dried, you don't know when the door was finished and you don't know if the glue was any good.
M&T will probably last a while longer but if there are any of the above problems, it will fail.
The entry way doors you mention are often dowelled, but some are using a "cope joint" with a M&T just for good measure.
I have seen "many" joint seperations in entry way doors, but the sooner the door is finished, the better the door will last.
The entry door guys are using VERY carefully dried material to build with. This is often not the case with the weekend warriors.
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On Tue, 15 Apr 2008 06:25:14 -0700 (PDT), Modern Composite Doors
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Mark
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Discount rated composite doors, french doors, uPVC doors, double doors, PVC doors, bifolding doors, sliding doors, doors stable doors, bi fold doors, uPVC french doors, sliding doors, GRP composite doors, entrance doors, front doors, residential doors, concertina doors, front and back doors buy online in UK via Imperial Door which is specialist of door supplier and manufacturer (home, residential and office). we also offer decorative doors, modern doors, black composite doors, black uPVC doors, white uPVC doors and wide range of uPVC doors, composite doors, french doors, bifolding doors, PVC doors...etc. If you want to buy then please contact us.
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I have never seen that happen. PVA glue allows some creeping and I have seen loads of cabinet doors where the rail has just shrunk a bit, you can feel or see the movement along the top and bottom of the door.
Is this any better with mortice and tenon

In this part of the world traditionally a double tenon would be used on a wide rail. That is one tenon above the other, in line. Traditionally the mortice and tenon would not necessarily have been glued but either pegged or wedged and if it was glued the traditional glues were a bit crap.
Tim w
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I have never seen that happen. PVA glue allows some creeping and I have seen loads of cabinet doors where the rail has just shrunk a bit, you can feel or see the movement along the top and bottom of the door.
Is this any better with mortice and tenon

In this part of the world traditionally a double tenon would always be used on a wide rail. That is one tenon above the other, in line. Traditionally the mortice and tenon would not necessarily have been glued but either pegged or wedged and if it was glued the traditional glues were a bit crap.
Tim w
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Typically if you apply a finish to all the surfaces there should not be enough movement to be of any worry. I have never really worried about that and have never had a failure, in 30 years.
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An Imperial Door also a leading supplier of bifolding doors in UK. Bifolding doors are also known as bi fold doors, bifold doors, concertina doors, folding doors and sliding doors. Our comprehensive range of bifolding doors includes bifold french doors, sliding bifold doors, bi fold french doors, wood bifold french doors, concertina doors, interior concertina doors, concertina plastic doors, sliding and folding closet doors, folding french doors, folding bedroom doors, sliding glass doors, sliding french doors, automatic sliding doors, sliding exterior doors, modern sliding doors, diy sliding doors, electric sliding doors, sliding wood doors, bifolding french doors, residential bifolding doors, uPVC bifolding doors, wood bifolding doors, outside bifolding doorsetc.
we also offer decorative doors, modern doors, black composite doors, black uPVC doors, white uPVC doors and wide range of uPVC doors, composite doors, french doors, bifolding doors, PVC doors...etc.
If you want to buy then please contact us. http://www.compositedoors.com /
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