On 2/2/2011 11:51 AM, Ron Nossaman wrote: > On 2/2/2011 10:26 AM, jimialeggio wrote: >> Its being used in exterior laminated structures, exterior exposure >> finger jointing etc. Their tests indicated machining and gluing are not >> effected...no first hand experience though yet. However, I will be >> getting some sample in from my wholesaler to beat up on and otherwise >> abuse. > > Hold it! One of their PDFs said that glues depending on moisture > absorption into the wood, like PVAs (Titebond, etc) may be > problematic, since the treatment drastically inhibits moisture > transfer within the wood. They recommend testing samples to see if > your specific application works before committing. > Ron N > don't know...but I find myself using non- PVA's (2 part urea formulations) for most laminated work and prefer polyurethane for panel glueup. Rib glueup is PVA though. For sash work its not an issue for me at all as I use no PVAs, (way to fast setup). On bellies though rib to panel is convenient and quicker in PVA. Jim I -- Jim Ialeggio grandpianosolutions.com 978- 425-9026 Shirley, MA
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