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Discussion Starter · #1 ·
I will soon be building my stage and plan on putting a layer of roofing felt between each layer of plywood. Searching this forum, I noticed almost everyone recommends using 30lb paper for optimal result. The problem is I cannot find that kind of paper where I live (montreal, Canada). 15lb paper is common around here, and I also manager to find 60lb paper, but no 30lb paper...



15lb paper looks like thick paper that can easily torn with hands. 60lb paper on the other hand seems much thicker, almost the same thickness as the shingles they used on my roof (warranty 30 years).


Could anyone help me: what kind of paper should I use. Will the 15lb one still do the trick? should I double it to achieve expected results? is the 60lb one too thick?


Thanks everyone for your input!
 

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Quote:
Originally Posted by stef2 /forum/post/0


I will soon be building my stage and plan on putting a layer of roofing felt between each layer of plywood. Searching this forum, I noticed almost everyone recommends using 30lb paper for optimal result. The problem is I cannot find that kind of paper where I live (montreal, Canada). 15lb paper is common around here, and I also manager to find 60lb paper, but no 30lb paper...



15lb paper looks like thick paper that can easily torn with hands. 60lb paper on the other hand seems much thicker, almost the same thickness as the shingles they used on my roof (warranty 30 years).


Could anyone help me: what kind of paper should I use. Will the 15lb one still do the trick? should I double it to achieve expected results? is the 60lb one too thick?


Thanks everyone for your input!

Stef:

I think now-a-days, people are suggesting the use of "green Glue" instead of the felt.

If you are planning on using it for the double drywall sandwich, maybe pick up a bit more?

Just my two cents...

Tom

Chinaclipper
 

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Discussion Starter · #3 ·
Well, I hadn't thought about that...Good thing is I used GG for my walls, bad thing is I only have three tubes left. What amount of GG is required for the stage? (I mean per sheet of plywood, or 2x8)?
 

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Discussion Starter · #6 ·
How much Green Glue should be used between the layers of plywood? I browsed through Audio Alloy's site and could not find any data or recommendations for such use. Should I use the same amount of GG as what they recommend for the walls? that would be my bet...can anyone confirm?
 
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