Rounding Edges on Decking

Jan 20, 2006 6 Replies

Most of the decks in my neighborhood have the edges of the decking planks rounded, giving the deck a more finished look.



I'm considering a deck that will have about 600 linear feet of 2x6. That's about 2400 feet of edges -- almost a half mile. Do people route all that?



jim


Most decking lumber comes with the rounded edge.

I have a neighbor who had a guy use a portable router for all the end pieces. To me it looked like a waste of time money and noise. I would just cut and install, then go over splintery edges with a coarse sanding disk attached to a high speed drill chuck, and take off about 1/8 - 1/4 inch on the corners..

MLCS (mlcswoodworking.com) has decent-quality roundover bits from 1/8" to 1/2" radius for $13-$17. Or you could go even cheaper and get some no-name chinese bits, which would probably be fine for the edge of a deck. At that price, you could burn through several bits before it made any significant difference in the price of the deck. If you were happy with a 1/4" radius roundover, you could probably do it all in one pass. Keep in mind when routing end-grain it's likely to chip out at the edge of each board. Sounds like a lot of work to me, but if you really want your deck to look like all your neighbors' decks, it is a possibility. What about running a circular saw along the whole edge, with the sole plate set on a bevel, and taking off a 45 degree angle bevel about half the thickness of the board? Wouldn't be round, but it would be "eased" so it's not a sharp edge.

5/4" x 6" radius edge decking is already cut for you.

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Thanks, but here we make decks out of pressure treated pine, and I haven't seen and PT pine that's rounded for decking.

jim

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I don't know where your "here" is, but over here in CT, the pressure treated decking is just like that with nice rounded edges. I have a deck full of it.

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