Outdoor Glue for Oily Wood
I want to build a garden bench out of ipé, and I’ll have to laminate some pieces. Given the density and natural oils of ipé, what type of glue should I use? And would it help to apply acetone to the surface prior to glue-up?
Paul Clark, Springdale, AR
Use a waterproof PVA glue. In our recent test of different glues (“How Strong Is Your Glue?” FWW #192), the strongest of three waterproof glues tested on ipé was Type I PVA.
For a glue to be certified by the American National Standards Institute as Type I (waterproof) PVA, the joint must survive being boiled for four hours, dried in an oven at 150ºF, boiled for another four hours, and then cooled in water just prior to testing. This extreme test is designed to simulate the many cycles of hot and cold, wet and dry, that woodwork will undergo…