Woodturning With Spalted Wood

In the early stages of a project when you're justhandy, you'll be glad to hear that creating your own
starting to consider materials, do you ever findspalted wood isn't a difficult process. Read
yourself thinking, "Hmm, I bet a nice piece of rotten"Intentional Spalting" from the Woodweb Knowledge
maple would be just about right"? If you're aBase for great discussion of various methods for
woodturner, or any woodworker who's interested inencouraging and controlling the spalting process.
exploring the visually exotic, you might. You'd be"Producing Spalted Wood", published by the Forest
thinking about the unique figures and patterns thatService's Forest Products Laboratory and available at
occur only in "spalted" wood. Highly prized for itstheir website, offers a good overview and includes
remarkable colors and patterns, spalted wood ismore technical information on the types of fungus
readily available and can produce spectacular results,involved in the process.
especially when it is turned on a lathe.One thing to watch out for, whether your find
Is spalted wood really rotten? Not exactly, but it's onspalted wood in nature or oversee the spalting
its way. Spalting occurs in an early stage of theyourself, is sections of the wood that have gone a
decay process, when various colonies of fungi stakelittle too far along in the decay process and have
their claims to a piece of fallen wood. Thebecome mushy. In some cases, the only course of
characteristic blue-black lines that run through spaltedaction is to throw the wood away. But if the piece
wood actually represent the lines of demarcationisn't too far gone, it is possible to strengthen it with a
between incompatible colonies of micro-organisms.wood hardener. Wood hardeners come in two
But the specific biological facts aren't what interestvarieties: there is a one-part pour on type and a very
most woodworkers in spalted wood, it's the factthin two part epoxy type. Either will work, but many
that nothing else looks quite like it.experienced turners prefer the epoxy variety.
Many hardwoods spalt, but maple is perhaps theIn some cases you'll find that the spalting is just on
most common variety used in woodworking projects.the edge of making the wood too soft to work with.
One way to get your hands on some - obviously - isFor projects where a great deal of strength is not
to go on a field trip to a wooded area where spaltingrequired - such as turned platters or bowls that you
species grow and gather your own naturally occurringactually intend to use - you can simply work with
specimens. You can also give Mother Nature a handborderline-soft spalted pieces as you would any other
and "spalt your own". Either way, it helps to have amaterial. When you finish it though, be sure to avoid
little background information. Fortunately, there's nofinishes that will penetrate and greatly darken the
shortage of information on spalted wood, how tocolor of the softer areas, such as Danish oil or boiled
work with it, and how to make it. Here are twolinseed oil. A couple of thin coats of wax or a few
excellent resources:very thin coats of shellac without seriously
If you don't happen to have a hardwood forestcompromising nature's beautiful handywork.