Gaps between stair trades and stringers - Woodworking Talk - Woodworkers Forum

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post #1 of 6 Old 08-07-2011, 10:51 PM Thread Starter
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Question Gaps between stair trades and stringers

Give stairs 95 years in San Francisco, and....well, things will move a bit! These gaps where the treads enter the stringers actually aren't my worst issue, but they are something I'd like to improve visually if I can.

Is there anything that will work well to fill these gaps?? I'm guessing anything hard will end up cracking due to stair movement, so would caulk be the way to go? (Actually, a friend who works at a hardware store started spackling them in with Durhams...he said it would be fine, but again, wouldn't that seem destined to crack?)

Anyhow advice would certainly be appreciated-
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post #2 of 6 Old 08-07-2011, 10:56 PM
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That is not a stringer, it is a skirt board.

If you are going to paint, caulk would be fine.

OH, wait a minute ............Yep!.............That's what he said!

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post #3 of 6 Old 08-08-2011, 04:20 AM
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That doesn't look like an old age/movement issue. It appears to be just carpentry issue. I would use Polyseamseal adhesive caulking.

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post #4 of 6 Old 08-08-2011, 07:13 AM
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"That is not a stringer, it is a skirt board." x 2

i think rock putty will harden too much and crack out over time. i would not use it. you need something that will remain flexible. i'd buy the best paintable caulk i could find, and use it.
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post #5 of 6 Old 08-08-2011, 01:49 PM Thread Starter
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Thanks for everyone’s help so far…and you’ve also reminded me that I forgot to put a footnote in my original post that I wasn’t sure if this board was the stringer or not

It’s sounding like caulk is probably the best choice, and I've already got some Dap Dynaflex 230, so hopefully that's an acceptable choice. I’ve actually not done too much caulking before, so I think my only fear is getting a nice flat surface since you can’t sand/shape it once it sets. Maybe that’s not such a worry, so unless I hear otherwise, I guess I’ll go that route.

Thanks again
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post #6 of 6 Old 08-08-2011, 03:58 PM
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Once you put the caulk in, take a putty knife and smooth it out.
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