Author Topic: rafter framing updates  (Read 2293 times)

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Offline RIjake

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rafter framing updates
« on: April 20, 2011, 03:13:19 AM »
Got the 20x30 1.5 story plans recently.  In the package there's a slip of paper with a note referencing some changes to details that don't quite jive with the plans.  My basic question is whether the site built trusses are OK to build as shown?  I'll be building a 12 pitch roof steel roof in Western Maine.  The snow load is pretty substantial but I'm not sure if the metal roof will negate that.

What exactly is the note referring to?  My plans don't have an alternative framing detail on page 11.

Offline John Raabe

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Re: rafter framing updates
« Reply #1 on: April 20, 2011, 04:40:55 AM »
The alternative framing diagram is on page 11 of the booklet (last page). Those notes were referring to the booklet pages (less used options) not the main plan pages.

A metal roof will help snow slide off but won't change the design load for the snow. The best method for the truss roof is to have a local truss company build them to your design loads (which they will know). If that is not possible, build the sturdy site built truss with lots of nails and adhesives. It has been built successfully in heavy snow areas.
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