<div dir="ltr"><span style="color:rgb(5,5,5);font-family:system-ui,-apple-system,BlinkMacSystemFont,".SFNSText-Regular",sans-serif;font-size:15px;white-space:pre-wrap">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 </span><span class="gmail-html-span gmail-xdj266r gmail-x11i5rnm gmail-xat24cr gmail-x1mh8g0r gmail-xexx8yu gmail-x4uap5 gmail-x18d9i69 gmail-xkhd6sd gmail-x1hl2dhg gmail-x16tdsg8 gmail-x1vvkbs" style="margin:0px;word-wrap:break-word;padding:0px;font-family:system-ui,-apple-system,BlinkMacSystemFont,".SFNSText-Regular",sans-serif;color:rgb(5,5,5);font-size:15px;white-space:pre-wrap"><a tabindex="-1" class="gmail-html-a gmail-xdj266r gmail-x11i5rnm gmail-xat24cr gmail-x1mh8g0r gmail-xexx8yu gmail-x4uap5 gmail-x18d9i69 gmail-xkhd6sd gmail-x1hl2dhg gmail-x16tdsg8 gmail-x1vvkbs" style="color:rgb(56,88,152);margin:0px;text-align:inherit;word-wrap:break-word;padding:0px;font-family:inherit"></a></span><span style="color:rgb(5,5,5);font-family:system-ui,-apple-system,BlinkMacSystemFont,".SFNSText-Regular",sans-serif;font-size:15px;white-space:pre-wrap">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.</span><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 14, 2024 at 3:12 PM Kristi R-C via Stagecraft <<a href="mailto:stagecraft@theatrical.net">stagecraft@theatrical.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div><div style="font-family:Arial,Helvetica,sans-serif;font-size:16px"><div></div>
        <div dir="ltr">Done. </div><div><br></div>
        
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                        On Monday, October 14, 2024, 12:40:14 PM CDT, christopher R. pike via Stagecraft <<a href="mailto:stagecraft@theatrical.net" target="_blank">stagecraft@theatrical.net</a>> wrote:
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                <div><div id="m_6938181878071521430ydpbd9d8a70yiv7374693956"><div><div dir="ltr">Kristi, can you accept my request to join the facebook page ? thanks.</div><br clear="none"><div><div id="m_6938181878071521430ydpbd9d8a70yiv7374693956yqt26069"><div dir="ltr">On Sun, Oct 13, 2024 at 6:44 PM Kristi R-C via Stagecraft <<a shape="rect" href="mailto:stagecraft@theatrical.net" rel="noreferrer noopener" target="_blank">stagecraft@theatrical.net</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div><div style="font-family:Arial,Helvetica,sans-serif;font-size:16px"><div></div>
        <div dir="ltr">I suspect theres a size limit to what you can post. Else put them in the Facebook Group - that’s why we started that. </div><div dir="ltr"><br clear="none"></div><div dir="ltr"><a shape="rect" href="https://www.facebook.com/groups/1399100473636632" rel="noreferrer noopener" target="_blank">Log in or sign up to view</a><br clear="none"></div><div><br clear="none"></div><div id="m_6938181878071521430ydpbd9d8a70yiv7374693956m_7310603920749225860ydpbfcd27b7enhancr_card_9435490433" style="max-width:400px;font-family:YahooSans,OpenSans,Helvetica,Arial,sans-serif"><a shape="rect" href="https://www.facebook.com/groups/1399100473636632" style="text-decoration:none;color:rgb(0,0,0)" rel="noreferrer noopener" target="_blank"><table border="0" cellpadding="0" cellspacing="0" style="max-width:400px"><tbody><tr><td colspan="1" rowspan="1" width="400"><table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border:1px solid rgb(224,228,233);border-radius:2px"><tbody><tr><td colspan="1" rowspan="1"><table border="0" cellpadding="0" cellspacing="0" style="background-color:rgb(255,255,255);width:100%;max-width:400px;border-radius:0px 0px 2px 2px;border-top-width:1px;border-top-style:solid;border-top-color:rgb(224,228,233)"><tbody><tr><td colspan="1" rowspan="1" style="background-color:rgb(255,255,255);padding:16px 0px 16px 12px;vertical-align:top;border-radius:0px 0px 0px 2px"><img src="https://s.yimg.com/nq/storm/assets/enhancrV2/23/logos/facebook.png" height="36" style="min-width: 36px; margin-top: 3px;"></td><td colspan="1" rowspan="1" style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:YahooSans,OpenSans,Helvetica,Arial,sans-serif;border-radius:0px 0px 2px"><h2 style="font-size:14px;line-height:19px;margin:0px 0px 6px;font-family:YahooSans,OpenSans,Helvetica,Arial,sans-serif;color:rgb(29,34,40);max-width:314px">Log in or sign up to view</h2><p style="font-size:12px;line-height:16px;margin:0px;color:rgb(151,158,168)">See posts, photos and more on Facebook.</p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br clear="none"></div><div><br clear="none"></div><div dir="ltr">Kristi R-C</div><div dir="ltr"><br clear="none"></div><div><br clear="none"></div>
        
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                        On Sunday, October 13, 2024, 07:08:37 PM CDT, christopher R. pike via Stagecraft <<a shape="rect" href="mailto:stagecraft@theatrical.net" rel="noreferrer noopener" target="_blank">stagecraft@theatrical.net</a>> wrote:
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                <div><div id="m_6938181878071521430ydpbd9d8a70yiv7374693956m_7310603920749225860ydp61ef0314yiv6589934946"><div dir="ltr">I have a question about sprung floors.  Can I post some pictures here?  I tried a few minutes ago and my message was rejected.</div><br clear="none"><div><div dir="ltr">On Sun, Oct 6, 2024 at 4:43 AM Bill Conner via Stagecraft <<a shape="rect" href="mailto:stagecraft@theatrical.net" rel="noreferrer noopener" target="_blank">stagecraft@theatrical.net</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><p dir="ltr">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.</p>
<p dir="ltr">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.</p>
<p dir="ltr">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.</p>
<br clear="none"><div><div dir="ltr">On Sat, Oct 5, 2024, 5:56 PM Jon Ares via Stagecraft <<a shape="rect" href="mailto:stagecraft@theatrical.net" rel="noreferrer noopener" target="_blank">stagecraft@theatrical.net</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">All you Plyron folk out there - must be nice to have money, or<br clear="none">
something. In my spaces (19 years and counting) - we have 1/4"<br clear="none">
tempered hardboard over 3/4 or 4/4 plywood (on sleepers, neoprene,<br clear="none">
etc).... This sacrificial top layer has been replaced twice in 19<br clear="none">
years, and is hopefully going to be replaced a third time in the next<br clear="none">
couple of years.  Overall, our stage floors still look great. They get<br clear="none">
one coat of Breakthrough a year, and we do screw into them, as needed.<br clear="none">
<br clear="none">
Eons ago, I was working on a soundstage with a Plyron floor, and<br clear="none">
screws were snapping right and left.  Was not a fan. And didn't envy<br clear="none">
the people in charge of that studio.<br clear="none">
<br clear="none">
 - Jon<br clear="none">
<br clear="none">
On Sat, Oct 5, 2024 at 9:23 AM Bill Conner via Stagecraft<br clear="none">
<<a shape="rect" href="mailto:stagecraft@theatrical.net" rel="noreferrer noopener" target="_blank">stagecraft@theatrical.net</a>> wrote:<br clear="none">
><br clear="none">
> 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.<br clear="none">
><br clear="none">
><br clear="none">
> On Sat, Oct 5, 2024, 11:29 AM Duncan Mahoney via Stagecraft <<a shape="rect" href="mailto:stagecraft@theatrical.net" rel="noreferrer noopener" target="_blank">stagecraft@theatrical.net</a>> wrote:<br clear="none">
>><br clear="none">
>> 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.<br clear="none">
>><br clear="none">
>> I would not want a plywood floor without a top layer of something that would not splinter.<br clear="none">
>><br clear="none">
>> Duncan Mahoney<br clear="none">
>> Technical Director<br clear="none">
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Jon Ares<br clear="none">
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