<html><head></head><body><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div>I use something called Wolman end cut preservative, which is the solution they use to make PT lumber. Another company (Jasco) makes a simlar product. </div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"></div></div></body></html>