ultraply & underlayment staple question


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Old 11-29-14, 05:18 PM
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ultraply & underlayment staple question

I plan to install UltraplyXL 1/4" underlayment over a plywood subfloor. The manufacturer recommends staple with 7/8" leg & 3/8" crown. Searching for an electric staple gun that handles this staple has yielded one cordless tool which is unavailable and would cost close to $500.00.

My questions are:

Can I move up to a 1/2" crown staple?
Will a 9/16" leg staple be long enough?

I'm a do-it-yourselfer so would prefer not to spend a lot for a tool I will use once.

Thank you,

Ed
 
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Old 11-29-14, 06:38 PM
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Most pros use a staple with 1/4" crown. And you will need an air stapler. An electric won't give enough power to drive the staple in.
 
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Old 11-29-14, 10:16 PM
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Old 11-30-14, 06:42 AM
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For a one time use, this is definitely an item worthy of rental. You can pre-cut and hand lay all your underlayment and basically have it ready to go. Then rent the crown stapler for the smallest amount of time. You can probably shoot off a floor of average size in less than 1 hour easily. 6" on the edges, 8 inches in the field.

What type of flooring are you installing over this?
 
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Old 11-30-14, 08:46 AM
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I use my narrow crown staple gun all the time.
It can be used for paneling, trim, tonged and grooved ceilings, ECT.
 
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Old 11-30-14, 09:01 AM
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I would go with no less than 4" on the edges, 6" in the field. If you are installing vinyl, the adhesive can draw the underlayment upwards and cause bubbles.
 
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Old 11-30-14, 10:03 AM
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Thank you to all for answering my questions. The underlayment would be installed over a 3/4" plywood subfloor. I was planning to install either 12"x12" cork flooring or a bamboo clic floor.

When I think about buying or renting staplers, nail guns, air compressors, this is not a first time job for an aging amateur. Plus I just added a radial arm saw to the renting list for cutting the T&G planks to stagger the joints.

I think the best way to go is to have a solid wood T&G hardwood floor installed by a professional.

Thank you all for the advice and suggestions.

Ed S.
 

Last edited by edsphill09; 11-30-14 at 10:05 AM. Reason: add/correct info.
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Old 11-30-14, 02:10 PM
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1/4" underlayment is not necessary under a click lock bamboo floor. You will need a sound deadening foam cushion underlayment. Not sure about your cork, - send us a link to your brand and style and we will get back to you. As previously mentioned, I also assumed LVT installation as the need for 1/4" underlayment.

If you are looking for structural integrity, you will need to install 1/2" material, and probably use exterior grade decking screws.
 
 

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