Cushioning Underlayment For Floating Floor

 
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Old 04-09-2011, 06:33 AM   #1
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Cushioning Underlayment For Floating Floor


My Client wants to use her basement for ballet and would like a very cushioned floor. We have strand woven bamboo floating flooring. Is there a thicker underlayment that will give better cushioning? Most of the underlayments I see are only 1/8" thick or less. What about felt?

Basement floor is concrete slab with radiant heating. It is very dry, new construction, great perimeter drain, no wetness even when a hard spring rain melts 30" of snow. I built it myself.
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Old 04-09-2011, 09:55 PM   #2
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Re: Cushioning Underlayment For Floating Floor


you can use 1/4 inch cork. not more than that , because its a floating floor and is loose , it can buckle if installed over something thicker . another option but more expensive is rubber underlayment for wood floors. some suppliers carry this and is available in rolls , easier to install and more coverage than cork squares but way more expensive. Quiet Walk is another great and affordable product.
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Old 04-09-2011, 10:00 PM   #3
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Re: Cushioning Underlayment For Floating Floor


Be careful. If your client has seen or is referring to a "sprung floor", they are a system & very expensive. They are very common in pro dance studios. No amount of cushioned underlayment will provide the feel of a sprung floor.
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Old 04-10-2011, 01:15 PM   #4
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Re: Cushioning Underlayment For Floating Floor


Kahrs actually makes a gym floor system that would give more the feel the clients seems to be looking for. It's their regular locking hardwood floor with a built in sleeper system attached to it. It's expensive but very easy to do compared to building a traditional sleeper. Since you already have materials that might not be an options anyway.
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Old 04-10-2011, 03:51 PM   #5
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Re: Cushioning Underlayment For Floating Floor


You can use rubber pads(#4) like this under a T&G ply (min 1/2" thick) and float the floor over it. it will raise the floor about 3/4" then otherwise. Mark 1 ft grid on ply (9x5) 45 pieces per sheet and attach with short staples.
The pic below is sport surface system, no need to follow all in your case.
I did couple of Arthur Murray Dance Studios with rubber pads under 2 layers of ply and solid wood over it.
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Last edited by astor; 04-10-2011 at 03:54 PM.
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Old 04-11-2011, 06:50 PM   #6
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Re: Cushioning Underlayment For Floating Floor


Astor's method looks nice, but the radiant isn't going to be very efficient with that setup. The radiant will lose efficiency with any setup that you're trying to soften the floor up. Keep that in mind
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Old 04-11-2011, 07:23 PM   #7
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Re: Cushioning Underlayment For Floating Floor


I like to use Sound Solution with vapor block, by Healthier Choice Products.
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Old 04-11-2011, 10:17 PM   #8
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Re: Cushioning Underlayment For Floating Floor


Quote:
Originally Posted by Morning Wood View Post
Astor's method looks nice, but the radiant isn't going to be very efficient with that setup. The radiant will lose efficiency with any setup that you're trying to soften the floor up. Keep that in mind
I did not realize it is going over radiant floor!
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Old 04-12-2011, 05:55 AM   #9
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Re: Cushioning Underlayment For Floating Floor


Quote:
Originally Posted by astor View Post
I did not realize it is going over radiant floor!
Yep I missed that too. Unfortunately, you can't have it both ways in this case. If they have radiant heat, they need to forget about adding too much spring to the floor. It isn't worth negating the heat.

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