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Parrothead member
Join Date: Jul 2003
Location: Monmouth county, NJ USA
Posts: 13,914
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Quote:
Originally Posted by John_AZ
A couple of questions.
1. Can 2x4 rafters support (steep pitch) a second layer of architectural shingle?
2. Would a second layer of architectural shingles over an existing layer have a roof with a shadow from the bottom layer?
Thanks.
John_AZ
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It would depends on the rafter span and spacing. What kind of a roof is it that has 2x4 rafters?? Or is it a truss roof?
Im not a big fan of two layers of architectural shingles, although Ive seen it done. Way too thick in my opinion. Plus you have to use like 4 inch nails. 
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Vinny
Red '86 944, 05 Ford Super Duty Dually '02 Ram 3500 Diesel 4x4 Dually, '07Jeep Wrangler '62 Mercury Meteor '90 Harley 1200 XL
"Live your Life in such a way that the Westboro Baptist Church will want to picket your funeral."
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