I'm building an indoor climbing wall out of 3/4" plywood in a finished
space. The wall will be well-secured to beefed-up framing. How do I
avoid rough edges/splinters, particularly at the butt joints between
My joint finishing options are:
1) Do nothing, simply risk splinters (it's decent grade plywood)
2) Tape/mud as you would with drywall (I doubt it would hold up)
3) Leave a 1/8" gap and use some T-molding between sheets (not exactly
the look I'm going for).
Any other ideas? Besides NOT building a climbing wall, that is? :)
Paint it. Any sealant with some body will help bind the edges. But
if you're looking for something tougher you'll have to cover it with
something else. One possibility would be some sort of tape, such as a
roll of the tape used for flashing roofs and windows.
The surest way other than a moulding would be to chamfer the edges
slightly before putting it up. Clean up any remaining roughness and
sand enough to be smooth edge. As another said, a good coat of an
enamel paint will then help prevent edges getting started altho one
might presume that the textured surface is an objective...
What he said, and then mud the joint with epoxy or urethane, depending
on what color you are going for. I'd coat the whole damn thing in the
same stuff they use on bare concrete floors in stores, if you can afford it.
On 4/19/2011 8:55 PM, firstname.lastname@example.org wrote:
If he can find a cheap source for 5/4 car siding or 2x t&g roof decking,
that would produce a better-looking wall than plywood. Unless this is a
wall for little kids, it pretty much needs to be 3x or 4x the climbers
height, to provide any sort of climbing experience.
aem sends, trying not to think about younger stronger days when I could
climb into the attic area of a just-framed house by jumping up and
grabbing the joists, and pulling myself up with arms and legs....
I've been afraid to respond, there have been so many good
suggestions! I hate to pick one and make everyone else feel left out!
To answer the question, the wall will only be 8' tall. It is intended
more as a traverse wall rather than a climbing wall. Some sections
will be vertical, some at approx. 30 degrees. It takes up a corner of
one room, about 10' along either wall. The ceiling will be used as a
complete overhang. I also plan on attaching climbing ropes (more as
an obstacle course than climbing).
T&G was considered but I have some small sections so T&G would only be
a partial solution.
As mentioned, all will be 3/4" ply. Chamfering/paint sounds like a
really good option at this point...you'll know the joint is there but
it won't be conspicuous. I *could* fill with epoxy/bondo but I may
want to remove/salvage the wall at some later date. It'll be a trade-
off vs. potential splinters on the chamfered joint...time will tell.
Taper the butt joint, coat with a slow cure epoxy, put on several
several layers of fiberglass, and let it cure hard. Next day, coat it
with Bondo, sand smooth and paint to suit. It ought to last you for
years done like that.
I vote for #3, except that I'd use H-channel (overlaps sheets on both
sides), assuming that wouldn't interfere with the climbing function of
the wall. Not the look, no, and extra work and expense, but it would
certainly save the edges of the ply, which *will* get chewed up otherwise.
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