read the just some observations on cutting boards .. discussion from the chowhound cookware, cutting board food community. join the discussion today.
if the board is installed wrong side up (or bark side up) it will curve up on the edges when dry and water can gather and sit in the cup. that is a recipe for wood rot and problems. if you look at a dry deck board from the end grain you can see the rings in the wood.
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wood board cupping: bark side up or bark side down? which way to place deck boards to avoid cupping or shelling damage. cause of outdoor deck board & stair tread or wood trim cupping & shelling - advice for which side should go up when placing wood deck boards, stair treads field experience and carpentry school argued for bark side up - place the arced wood-grain facing convex surface upwards
regarding your direction to “orient the deck boards so the growth rings in the end grain have the arc facing up”, wouldn’t that method result in, in time, in making the deck have a ripple surface which also causes water to pool in the cups of the wood surface? why would it not be better to put the cups down so the wood flattens over time?
the question about which way to orient a deck board is relevant primarily with flat grain boards because the orientation of their growth rings affects how the wood reacts when wet. in the case of a deck board, this determines whether you have a "cup" warp (concave surface) or a "crown" warp (convex surface).
installing deck boards: rings up or down and the good news is that the answer is simple. grain direction (bark side up/pith side up) doesn’t really matter. bump up to a 2×6 deck board. more wood means more wood, both to resist the forces of nature and for the fastener to hold on to. we hope you enjoyed this post. you should