I have several 4x4 deck railing posts wrapped in composite sleeves. Some of the sleeves are rotting or deteriorating and I’m looking for solutions. I have considered replacing them but the colors of any new sleeve will not match the existing deck and they will be difficult to install. I am thinking that pulling off the rotted sleeves and trying to stain the posts with a color matched stain might be the best option. Has anyone had experience with this and what did you do?

deteriorating composite sleeve

  • Remove all the sleeves (damaged and not), then finish as desired. Frankly, I think this is only going to generate opinions, but no vote to close yet.
    – FreeMan
    Mar 31, 2022 at 13:18
  • How about a few pictures... they always help.
    – JACK
    Mar 31, 2022 at 14:01
  • 1
    If that thing in the middle of your picture is one of the posts then 1) I have to question whether it's really "composite" (and not just wood), and 2) (regardless) just replace the post. There's really nothing holding the post in place beyond a few nails/screws.
    – Hot Licks
    Apr 2, 2022 at 23:23
  • That sleeve might be a composite of iron and rust.
    – FreeMan
    Apr 3, 2022 at 13:42
  • It may be difficult to tell, but there is a treated 4x4 post that is actually functioning as the post. The piece that is deteriorating is a composite sleeve that slides over the 4x4 and matches the rest of the composite deck. I have several that are in as bad shape as the one in the pic some have almost completely fallen apart, but I also have quite a few that look fine.
    – Jon Looney
    Apr 4, 2022 at 2:58


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