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Old January 13th 21, 09:10 PM posted to rec.woodworking
DerbyDad03 DerbyDad03 is offline
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Default Epoxy, Fabric and Wood

On Wednesday, January 13, 2021 at 10:12:45 AM UTC-5, Sonny wrote:
Often, a swivel type clasp is used for securing cushions to the sofa proper.... in your case the plywood.
https://www.walmart.com/ip/Swivel-Ba...of-6/308664373

There needs to be some attaching piece(s) on the cushion (corners) to clip to. No matter what kind of DIY fix, this concept of attachment is likely your best, easiest, least expensive, most permanent, cushion-removable fix.

Probably the springs have not weakened. Rarely do I see broken springs. Most likely the spring supports have failed in some capacity, not the springs themselves. I see and fix this fairly often with older furniture. Spring support failure cause: 1) clips loosen or detach from the wood frame 2) Spring ties (string/twine) loosen or break 3) jute webbing or other banding straps loosen or its attachments (nails, staples) fail 4) a broken or loosened board (frame member, wood joint). None of these repairs are difficult, but more time consuming.... upholstery, in general, is really simple and easy work. For these internal fixes, it's just a matter of diving into the internals to access the problem..... just awkward maneuvering often times. We did a ply-sheet fix for Mom's sofa seating (spring support failure), until I fixed it later.

Sonny


I have done some upholstery repair in the past and as you say, it's not difficult. However,
"it's just a matter of diving into the internals to access the problem" is a tad simplistic.

"Diving in" is easy. It's the "climbing back out" that poses the problem for me :-)

I dove right in to open up this box spring to get it up the stairs. Once it was upstairs, closing
it back up was as simple as a bunch of staples, but the sloppy closure method will remain
hidden until the mattress is moved again. IOW, if the broken part is not accessible from an
area that will be hidden from view, I'm screwed. :-)

https://i.imgur.com/LA9zYeQ.jpg