Clothesline post to deck

wedgieApril 13, 2008


I currently have a 4x4 clothesline post tied to my old deck. The clothesline runs from the deck to the end of my backyard (about 40'). The post is fastened to the deck with (2) 1/2" through-bolts to the outside of the rim joist and extends about 6' above the deck. It is completely supported by the bolts (i.e not notched) and also doubles as a railing post. The post (as well as the railing section tied to it) now leans in the direction of the clothesline because of all the weight. The culprit seems to be the connection to the rim that's not strong enough to hold to post plumb.

I plan to demo the old deck this summer and build a new one. I have to find a way to tie a clothesline post so it won't lean in the direction of the clothesline. I thought about pouring an extra concrete pier for the post and still attach it to the rim joist with bolts, but I'd really like to avoid the extra pier if possible.

Any ideas/advice?


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It's not the connection, it's the size of the post. Up size to a 6x6 next go around. I'd add that footing too.


    Bookmark   April 14, 2008 at 9:56AM
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Sounds like the rim joist may be rolling over. How you fix it depends on the surrounding structure. How far off the ground is the deck? If you're up off the ground a bit, you could extend the post down below the rim joist, then add a support under the deck that prevents the bottom of the post from leaning in (and thus the top from leaning out). The post length below the rim joist will need to be at least 2/3 the length above for this to work. If your deck is closer to the ground, then you can set this post directly into the footing, so long as the footing is deep enough (30" or so ought to do it).

Be aware that if you make the structure more rigid using one of these options, the post itself may bow over time due to the weight (rather than simply leaning as it's doing now). In that case, a bigger post may be required, but you'll still need to stiffen up the structure.

    Bookmark   April 14, 2008 at 7:39PM
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