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Good stuff as usual Bob!!
One of the issues I've always found with cutting PVC is that the cut ends promote mold growth so much quicker, specifically if you don't paint them. That and the contract/expand issue that's hard to chase... great stuff, but it does have its issues.
I've found that "Spray & Forget" works really well with cleaning and protecting PVC. I wasn't a believer at first, as when I first applied it, it took a couple of months before I saw any results, but then it lasted a couple of years before I had to re-apply. An annual application will go a long way... almost eliminates the cleaning part as it works more of a preventative agent.
Keep up the good work! or rather GREAT work... LOL
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