I have pieces of 5/8" spruce from a project that were given to me. That project was started in 1979 and never finished. The spruce has no coating, has been kept dry and looks like the spruce you would get from AC Spruce today. Keep it dry or coat all surfaces exposed to air (including bolt and staple holes) with epoxy and the spruce will last your lifetime and then some.
Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA ------------------------------------------------------------------- ... an A&P friend of mine (and aluminum experimental builder), mentioned some spruce fungus issue that if not caught can be disastrous. Is this an issue with the materials, and if so how to inspect/avoid/prevent? Thanks ------------------------------ At the risk of making a fool of myself, I bet he's confusing diseases of living trees with lumber/wood preservation and protection. Fungus can attack most any unprotected or ignored wood or wooden product, so some sort of protection is required for longevity. Varnish was the old standby but now there are a variety of synthetic finishes which can do the job. AND keeping wooden aircraft structure dry, of course. Maybe some really qualified person will chime in? ------------------------------------------------------------------------
