Filling deck railing.
#9
  
Over time my deck rails, mitred together originally, shrunk and now there’s a gap. I layed in wood strips then filled with Minwax 2-part wood putty. But soon after the fill is cracking. The san diego sun is intense.

What works better?
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#10
  Re: Filling deck railing. by brookbend (Over time my deck ra...)
Taller posts with top rails that butt into the posts. Top rail shrinkage along the width is the problem.
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#11
  Re: Filling deck railing. by brookbend (Over time my deck ra...)
I used caulking but my rails are white stain.
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#12
  Re: Filling deck railing. by brookbend (Over time my deck ra...)
Taller posts is interesting. But too late - I’m a homeowner. I guess I dont want to switch out the posts, now. Thanx
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#13
  Re: RE: Filling deck railing. by brookbend (Taller posts is inte...)
Can you put a cap on top?  

John
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#14
  Re: Filling deck railing. by brookbend (Over time my deck ra...)
Wood moves.  Use a flexible caulk and paint to match.
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#15
  Re: Filling deck railing. by brookbend (Over time my deck ra...)
(Yesterday, 12:39 AM)brookbend Wrote: Taller posts is interesting. But too late - I’m a homeowner. I guess I dont want to switch out the posts, now. Thanx

Just a suggestion.

Cut the mitered ends off square to the edges of the post. Extend the post with a short cut off and cap it.
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#16
  Re: Filling deck railing. by brookbend (Over time my deck ra...)
I bet automobile body filler would work. If I can get enough of it into small spaces and sand it nice. It certainly would be stable.
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