20 years ago I was also wondering which pinblocks were the longest lasting. So I took a sample from every pinblock that I had cut out of pianos and set them outside. After 20 years of rain, snow, sun, freezing, etc. there is only one left that didn't delaminate. Guess which material it is? Also, one manufacture's pinblock split, curled, and fell apart within one month. Most took a few years. Interesting results. If you'd like to know which is which, E-mail me personally. NBWW wrote: > Hello List. > I want to up date myself on the various wrest plank materials, and the bit > sizes each requires. I've used a variety of stock and tested a variety of bits > sizes for each, but have not ventured into the "thick" ply material yet. Every > manufacture is proud of their plank and are successful with its use, but they > all have R&D that I don't have. Hopefully this question isn't too general; and > if this ground has been covered before, just let me know. Thanks! > > Paul Chick RPT > Plainview Mn
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