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LP Smart Side Siding & 1 x 4 Pre Primed Trim Boards do they really last 50 years ??
How do they know when it hasn't been out that long ?
Thinking of using it on a small barn but 5/8' T1-11 sounds beefer than 3/8" Smart side. 3/8" is all they stock around here inless you order a bunch.