[SML] Floors again

Tue Oct 15 00:36:31 UTC 2024

I'm not in theater, but rather fitness. I built a sprung basketweave floor
based on ballet floors for leaps and kettlebell swings. There are four
layers of sleepers, a rectangular frame to keep everything together, and
the 3/4 plywood on top. I posted pictures on the facebook page just now. It
works great, actually! Problem is, the sleepers move around. A dance floor
guy told me not to try to nail or screw the sleepers together because the
nails and screws will 'back out'. I've been struggling with this issue for
almost three years. Do you have any suggestions? p.s. Just last night I
realized the solution, which will make the construction a little more
complicated but should work. I will tell you my idea after I hear yours.
Thanks.

On Mon, Oct 14, 2024 at 3:12 PM Kristi R-C via Stagecraft <
stagecraft at theatrical.net> wrote:

> Done.
>
> On Monday, October 14, 2024, 12:40:14 PM CDT, christopher R. pike via
> Stagecraft <stagecraft at theatrical.net> wrote:
>
>
> Kristi, can you accept my request to join the facebook page ? thanks.
>
> On Sun, Oct 13, 2024 at 6:44 PM Kristi R-C via Stagecraft <
> stagecraft at theatrical.net> wrote:
>
> I suspect theres a size limit to what you can post. Else put them in the
> Facebook Group - that’s why we started that.
>
> Log in or sign up to view
> <https://www.facebook.com/groups/1399100473636632>
>
> Log in or sign up to view
>
> See posts, photos and more on Facebook.
> <https://www.facebook.com/groups/1399100473636632>
>
>
> Kristi R-C
>
>
> On Sunday, October 13, 2024, 07:08:37 PM CDT, christopher R. pike via
> Stagecraft <stagecraft at theatrical.net> wrote:
>
>
> I have a question about sprung floors.  Can I post some pictures here?  I
> tried a few minutes ago and my message was rejected.
>
> On Sun, Oct 6, 2024 at 4:43 AM Bill Conner via Stagecraft <
> stagecraft at theatrical.net> wrote:
>
> I can't explain the screws snapping in the floor you worked on previously
> if it was plyron, since plyron is simply plywood with 1/8" hardboard outer
> plies. Should not different than hardboard on ply you have now.
>
> I did soecify a particular particle board like product on, iirc, 2 stages.
> It was a product designed for covering industrial timber floors, in
> particular fabric mills.  Very high resistance to steel wheeled casters.
> Came predrilled and countersunk.  It broke screws but both places quickly
> learned to get better screws, not big box drywall screws, thankfully. Held
> paint great.
>
> I'll just add that of the high school stages I've specified plyron for
> over 20 years, I don't believe any of them have had to replace or recover
> their floor.  I don't believe hardwood veneered ply will last that long.
>
> On Sat, Oct 5, 2024, 5:56 PM Jon Ares via Stagecraft <
> stagecraft at theatrical.net> wrote:
>
> All you Plyron folk out there - must be nice to have money, or
> something. In my spaces (19 years and counting) - we have 1/4"
> tempered hardboard over 3/4 or 4/4 plywood (on sleepers, neoprene,
> etc).... This sacrificial top layer has been replaced twice in 19
> years, and is hopefully going to be replaced a third time in the next
> couple of years.  Overall, our stage floors still look great. They get
> one coat of Breakthrough a year, and we do screw into them, as needed.
>
> Eons ago, I was working on a soundstage with a Plyron floor, and
> screws were snapping right and left.  Was not a fan. And didn't envy
> the people in charge of that studio.
>
>  - Jon
>
> On Sat, Oct 5, 2024 at 9:23 AM Bill Conner via Stagecraft
> <stagecraft at theatrical.net> wrote:
> >
> > Well, fwiw, my stage floor top down is 3/4" plyron, 1 1/8" ply  2x4
> sleepers 24" on center, and 3/4" neoprene. I switched from 1/2" plyron
> years ago when I started putting stage edge warning lights in, which are a
> 1/2" deep.  Needed 3/4" top to route 1/2" deep.
> >
> >
> > On Sat, Oct 5, 2024, 11:29 AM Duncan Mahoney via Stagecraft <
> stagecraft at theatrical.net> wrote:
> >>
> >> 3 of our theaters have sprung plywood floors with a top layer of MDF.
> I prefer a top layer thicker than 1/4" if the thickness can be
> accommodated.  Performance has been good, we have only had to replace
> floors after floods.
> >>
> >> I would not want a plywood floor without a top layer of something that
> would not splinter.
> >>
> >> Duncan Mahoney
> >> Technical Director
> >> Professor of Theater Practice in Production
> >> USC School of Dramatic Arts
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>
>
> --
> Jon Ares
> www.arescreative.com
>
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