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Old 08-04-2011, 09:16 PM   #1
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Spacers in plywood subfloor?

I'm currently pulling out all the old carpet in my house to get ready for the new Bamboo floor which will get here soon. I've noticed that the subfloor (plywood) has small metal looking spacers in between most boards. I haven't seen that before but I'm guessing it's for expansion.

Does anyone know what they're there for and is it ok to pull them out? I'm assuming I shouldn't keep them there when I install my bamboo. They don't stick up too much but I'm just worried that I might damage the subfloor (from expansion) if I take them out.

Any suggestions?



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Old 08-04-2011, 09:23 PM   #2
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Not sure what you have exactly. I've never seen that type (or any type) of spacer used for sub-flooring. The spacers I have in mind are common on roof decking but never sub-flooring.

If they appear to be made of extruded aluminum, what they may be is... what you see on the top of the floor panel is also what is under the floor panel. Meaning the clips/spacers are substantial and you aren't going to get them out of there without damaging the panels severely.

Let's see if anyone else is more familiar with this technique.


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Old 08-04-2011, 09:44 PM   #3
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I'm with you Bud, sounds like H clips were used for a subfloor instead of tongue and groove......weird
Sundh, gotta picture?
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Old 08-04-2011, 09:54 PM   #4
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If you come to the point of removing them, I would use a rotary tool with a cut off wheel and cut them at the center parallel to the seam. When you get most of the way thru you can snap the ears off the top side and push them thru the bottom side. But listen to these guys and get to the bottom of 'why' they are there first.
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Old 08-04-2011, 09:59 PM   #5
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Thanks for the replies. It is weird, and I've never seen it before either. I'll take a picture an upload it tomorrow. Thanks again!

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