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subfloor spike holder

holds double ended spikes to butt splice plywood
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When laying pre-cut tongue and groove plywood subfloor, the tongues and grooves are cut from a standard 4 foot by 8 foot sheet. The result when the tongues and grooves are milled and joined together is the loss of the overall 4 foot by 8 foot dimensions. This is of concern if your floor dimensions are based on 4 feet (e.g. 20'x28'), because laying sheet after sheet that is just a little short adds up. The result is you need to purchase a few more sheets just to finish out a couple of inches of floor length.

I want a 4-foot long, thin, plastic strip that has grooves cut (every 6 inches) perpendicular to the long axis of the strip. The strip would only be about 1.5 inches tall. Inch-long spikes (like small double pointed nails) would be held in the grooves of the plastic strip. Attach one sheet of plywood to the joists and take the the now loaded (spiked) strip and place it at the edge, then place the next sheet of plywood (full 4'x8' sheets mind you) and push (hammer) it into the strip. The two sheets would be butt spiced for added strength.

You no longer need expensive tongue and groove plywood that is not even the advertised dimensions. You only need a cheap plastic subfloor spike holder, some spikes, and a floor to build.

saprolite, Oct 31 2010

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       //butt spiced// mmm delicious
pocmloc, Oct 31 2010
  

       "Butt, splice! What light through yonder window breaks? It is the east, and Juliet is the sun."
baconbrain, Oct 31 2010
  

       Would work, but might sell better in metric sizes.
8th of 7, Oct 31 2010
  

       Wouldn’t the nails tend to split the plywood? Better to have both sheets grooved, and insert a long double-sided tongue into the butt.
pocmloc, Oct 31 2010
  

       hahaha   

       I'm not sure your idea would eliminate squeaks [saprolite].
Love the quote on your profile page. What does it mean if other folks dogs 'do' listen to you?
  

       // Would work, but might sell better in metric sizes. //   

       I worked on a building project in a metric country for a month or so before I realized that the metric-sized plywood was actually standard American 4 by 8 foot plywood.
baconbrain, Oct 31 2010
  

       I thought this would be a device that held spikes below the floor, and whenever you have unwanted guests, the floor opens up and they are impaled.
DrWorm, Nov 01 2010
  

       [DrWorm], you don't have one of those? Come on over to my house sometime. Any time at all.
baconbrain, Nov 01 2010
  
      
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