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-   -   How To Distinguish Between Felt Weight (http://www.diychatroom.com/f9/how-distinguish-between-felt-weight-122203/)

RealtorRickey 11-02-2011 07:25 PM

How To Distinguish Between Felt Weight
 
Hi There,

I'm in a situation where I need to figure out what weight of felt was used when the roof was installed. Any help is greatly appreciated!

Thanks in advance,
Rickey

sixeightten 11-02-2011 07:28 PM

Why the issue?
Lift up an edge and check.

RealtorRickey 11-02-2011 07:38 PM

Quote:

Originally Posted by sixeightten (Post 762542)
Why the issue?
Lift up an edge and check.

Our roof inspector noted that there is only 1 layer of felt when there should be 2 and is recommending a new roof when the current one is only 9 years old and has a life span of 25. My buyers are getting spooked, thus I need to figure out the weight and if it meets local standards.

So it's just printed on the material?

Thanks Sixeightten!

sixeightten 11-02-2011 08:10 PM

It wont be printed. A roofer can tell the weight by feeling the thickness. The #30 is twice as thick as the #15.

ParagonEx 11-02-2011 08:18 PM

Makes no sense. Where does it say there should be two layers of felt? Get a real inspector!

Gary in WA 11-02-2011 08:54 PM

A 2/12 up to 4/12 require two layers per IRC, though CA is usually way stricter on most everything.

Did you ask your local Building Department yet?

Gary

ParagonEx 11-02-2011 08:57 PM

Quote:

Originally Posted by GBR in WA
A 2/12 up to 4/12 require two layers per IRC, though CA is usually way stricter on most everything.

Did you ask your local Building Department yet?

Gary

Where was it said that it was less than a 4 pitch?

Gary in WA 11-02-2011 09:30 PM

"Where does it say there should be two layers of felt?"----- it was your question.

RR- start reading about felts/papers and their weights on page #4, here: http://www.dickseibert.com/martin.pdf

Gary

ParagonEx 11-02-2011 09:35 PM

Quote:

Originally Posted by GBR in WA
"Where does it say there should be two layers of felt?"----- it was your question.

RR- start reading about felts/papers and their weights on page #4, here: http://www.dickseibert.com/martin.pdf

Gary

I'm talking about in the original post. No where does the OP mention the pitch of their roof.

Maybe I worded my question wrong to the point it would only make sense to me.

Why does the inspector think there are two layers of felt needed? Most inspectors I've met have no knowledge of roofing.

loneframer 11-03-2011 05:21 AM

Quote:

Originally Posted by RealtorRickey (Post 762540)
Hi There,

I'm in a situation where I need to figure out what weight of felt was used when the roof was installed. Any help is greatly appreciated!

Thanks in advance,
Rickey

Just go to the local home center and feel for yourself. That's the best way to know what you're dealing with.:thumbsup:

seeyou 11-03-2011 02:41 PM

Quote:

Originally Posted by loneframer (Post 762800)
Just go to the local home center and feel for yourself. That's the best way to know what you're dealing with.:thumbsup:

I tried that and I'm no longer allowed in Home Depot. Wasn't sure if the clerk was a girl or a boy............:whistling2:

seeyou 11-03-2011 02:52 PM

Quote:

Originally Posted by GBR in WA (Post 762649)
A 2/12 up to 4/12 require two layers per IRC, though CA is usually way stricter on most everything.

Did you ask your local Building Department yet?

Gary

It's not just 2 layers. They are to be half lapped. So, in this case, one layer of #30 does not equal 2 layers of #15.

MJW 11-03-2011 03:04 PM

Or is he talking about the eaves? Two layers of 15# felt with roofing cement between them is acceptable instead of I&W.

loneframer 11-03-2011 05:27 PM

Quote:

Originally Posted by seeyou (Post 763145)
I tried that and I'm no longer allowed in Home Depot. Wasn't sure if the clerk was a girl or a boy............:whistling2:

That's a different kind of "felt" my friend.:laughing:


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