Beveled or integral slope necessary for railings on covered porches

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Old 09-17-15, 10:43 AM
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Beveled or integral slope necessary for railings on covered porches

I'm planning to add a railing to my front porch. Since I live in the rainy Pacific Northwest, water is a concern. After doing some reading online, I understand that it's recommended to use beveled top and bottom rails (e.g., with an integral slope built-in). However, I'm planning to just use 2x4's. Since I don't have a table saw (just a chop saw), I don't have a good way of quickly beveling the 2x4's. Since the porch is covered with a roof, is beveling the railing less of a concern?
 
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Old 09-17-15, 11:07 AM
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You can use the 2x4s. Just make sure that the cupped side is down. Then you could rent or buy a router & run it on the edges.
 
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Old 09-17-15, 11:44 AM
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You make a "L" shape for the top so that you have a nailing surface for the ballusters. Terefore, it would be best to use a 2x6 for the flat top portion of the rail and a 2x4 for the vertical attached to the 2x6. You can use a single 2x4 for the bottom rail.
 
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Old 09-17-15, 06:53 PM
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A 2x6 is hard to grab. The top of the balusters can be cut on a 45 degree angle, to stop water collecting.
 
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Old 09-17-15, 06:55 PM
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Lowe's and most real Lumber yard sell 2 X 4 rails with angled tops.
Last thing you want to do is cut the rails with a table saw.
Just going to leave a rough finish and remove the pressure treating.
 
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Old 09-18-15, 09:10 AM
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Thanks! I did not think about the "cupping" of the 2x4s. Good point. I will check with my local lumber yard to see what they stock in terms of railing to see if I can just buy the lumber pre-beveled.
 
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