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-   -   1 on 2 pitch (http://www.diychatroom.com/f9/1-2-pitch-131407/)

heavyonion 01-25-2012 08:15 PM

1 on 2 pitch
 
What does 1 on 2 pitch mean??

titanoman 01-25-2012 09:37 PM

Can you elaborate a little?
Maybe use it in a sentence?

heavyonion 01-25-2012 09:46 PM

1 on 2
 
What does a 1 on 2 pitch mean in terms of a roof?

Windows on Wash 01-25-2012 10:22 PM

Many of the terms get intermingled these days but most roofing contracts and discussions not refer to the angle of the roof in terms of the slope.

Slope of a roof would be something like a 6:12 where that would refer to 6" of rise for 12" of run.

Pitch is rise over 2X (times) run. So a 6:12 slope would be a 6/24 pitch or 1 on 4.

If they were referring to pitch and they said 1 on 2 or 1 over 2, it is very likely they could be referring to a 12:12 slope roof. This would be a pretty steep roof and have a 45 angle and would be quite un-walkable under normal conditions (i.e. not a mountain goat).

Is your roof steep?

mae-ling 01-25-2012 10:50 PM

I thought 1 on 2 or 1over 2 was a 6:12 pitch 6 over 12 equals 1 over 2?

heavyonion 01-25-2012 10:52 PM

1 on 2
 
Thanks.

Windows on Wash 01-26-2012 06:26 AM

Quote:

Originally Posted by mae-ling (Post 834934)
I thought 1 on 2 or 1over 2 was a 6:12 pitch 6 over 12 equals 1 over 2?

That would be referencing the slope.

The Pitch they double up the run for comparison.

I think it is an more old school measurement terminology.

AtlanticWBConst. 01-26-2012 10:37 AM

Some Roof Pitch Charts and Diagrams here: http://www.bing.com/search?q=roof+pi...search&shash=1


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