Deck Rails and Cap

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  #1  
Old 09-05-17, 06:34 AM
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Deck Rails and Cap

I have decided to make my deck rails from 2x4 supported and hangers. The top 2x4 will be flush with the top of the deck posts. The deck rail cap will be a 1.25x6 board that will cover the top rail and top of the posts.
One concern is how to prevent water from pooling on the top of the cap? On the web, I have seen the cap be a 2x6 that is ripped so that the cap is peaked in the middle. Unfortunately I only have a compound miter saw. Another person recommended tilting the cap slightly so that water would go off to one side. I have seen other boards that are routed to give a drip edge

Are there other options I should consider?
 
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Old 09-05-17, 09:50 AM
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My deck was composite so the tops of my railings were just as you described but I used a 1x6 composite board. They don't warp and if some water sat on it nothing would happen.
 
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Old 09-05-17, 10:04 AM
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There are post caps sold in big box stores that are already sloped.
 
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Old 09-05-17, 12:40 PM
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Rail Cap

Turn the bark side up when you install the rail cap.
 
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Old 09-06-17, 08:57 AM
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Using a composite board as the deck rail cap might work for me. I would like to attach the rail cap without screws showing. Is there a bracket that could attach to the top of the 2x4 and allow you to screw in to the bottom of the cap? I suppose I could drill pilot holes through the 2x4 and use screws.
 
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Old 09-06-17, 10:13 AM
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What about using an adhesive?
 
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Old 09-06-17, 11:26 AM
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I hadn't thought about adhesive. That may be an ideal solution for my deck.
 
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Old 09-06-17, 12:19 PM
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I hope that it works. Good luck.
 
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