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Discussion Starter · #1 ·
I am using a pneumatic nailer with 2in cleat nails, and the tongue is sometimes splitting when I put the fastener in. The compressor is set at 90 psi as stated by the tool. What is causing the splitting?
thanks
 

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The salesman recommended the 2in cleat nails. The wood is a 3/4 in x 5in cikel Tigerwood hardwood. We put in 3 rows and everyone has split.
Sales people can be mistaken! He may have had good results from another type of wood! Whereas, it appears that the gauge is too large for the type of wood that you have.
Flooring usually comes with a flyer with install instruction and 1-800 number that you can call for assistance.
 

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Discussion Starter · #8 ·
We did check with the manufacturer and it does state we should use the 2in cleats. I am trying it now with turning down the psi to about 75 and hitting it not as hard. Thanks alot. I will see what happens.
 

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From what I've seen, hitting a pneumatic flooring nailer too hard will split the tongues. Also, do you have the gun adjusted so it places the nails properly. There is some adjustment with them. I would have guessed that with the flooring cleats...they are pretty much good with any tongue and groove flooring.
 

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Another possible reason

Also check to see that your nailer has the correct "seat" installed. There is a pad on the bottom of the nailer that gives you the correct height for the thickness of your board. If the pad is too thin, you can be putting pressure on the tongue with the nailer.
 
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