Replies

1. 
   rslatm | Jan 19, 2004 07:36pm | #1

   Epoxy...think boat! Can't get any wetter than a boat.

   jamestowndistributors.com carries West System and System Three and anything you need.

   
   

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   Edited 1/19/2004 11:47:24 AM ET by Rick at Arch. Timber and Millwork

2. 
   Mongo | Jan 19, 2004 08:43pm | #2

   My concerns would be water resistance and structural creep.

   Outdoors? I prefer epoxy. Best thing you can do is invest in a 2-part pump setup, then you always have it on hand and since it's convenient, it will get used. Up front $$$, but worth it in the long run.

   Personally, I prefer West Systems.

   For outdoor wood furniture, I also brush the bottom end grain of chair/table legs with a thinned epoxy. Somewhat seals the grain and helps prevent wicking of moisture into the leg and possible premature decay.

3. 
   HowardAcheson | Jan 20, 2004 01:48am | #3

   First, PVA adhesives are not good for bent laminations. PVA's are not creep resistant. In other words, they allow surfaces to slip past each other..

   Good for outdoor use is a urea formaldehyde like DAP/Weldwood Plastic Resin. It has no creep and is highly water resistant although it can fail in totally submerge applications. Resorcinal is totally waterproof and very strong in shear applications. But, its glueline dries to a dark purple.

   Finally, slow set, two part epoxy works well and it is totally waterproof. It is gap filling and can tolerate somewhat indifferent clamping.

   Avoid polyurethane glues as they tend to force surfaces apart as they cure so the parts must be well clamped over their full length to develop full strength.

4. 
   GT | Jan 20, 2004 02:34am | #4

   I build alot of outdoor  stuff,I use polyurathene glue,gorilla,excell etc. Most major glue  companys make one.It  expands like foam when it cures,once set your glue joints will never fail. Never had a problem with creep and is totally water proof.