I’m having a house built in Lavallette at the New Jersey shore. I plan on having the builder install a red cedar shingle roof. Almost all of the houses I have observed in construction with a cedar shingle roof utilized the ribbon method. I have also spoken to some roofers who utilize a standard plywood/tar paper roof covered with a breather barrier prior to installing the cedar shingles. Could someone with cedar roofing experience please discuss the pros and cons of each method and differences in cost?
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Jersey shore probably requires conventional sheathing , probably even 5/8 T&G
so ... skip sheathing is out
we have used the Shingle Breather and copper drip edge on rakes & eaves
SS fasteners for the shingles
you have to detail your edges so the shingle breather can function and breathe & shed water
also... i wouldn't waste my money on a standard R&R red cedar shingle..
on a roof i would only use a "thick butt"
Heh heh heh heh heh heh........You said "thick butt" heh heh ....
By ribbon you must mean that the base is skip-sheathed, with builders felt woven into each course of shingles.
The more recently developed "breather" material is an attempt to provide as much air circ for the shingles, but I would have more faith in the old method.
I cannot comment about the longevity of one compared to the other, because I have no good test data. I have seen barns torn down here, that had 75-year-old shingled roofs, laid on skip sheathing, and no woven felt.
Let's say you and your builder decide to do your "ribbon" method. What will be the details of your attic insulation and air and moisture sealing below, and if venting is to be done, how will it be detailed?
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"A stripe is just as real as a dadgummed flower."
Gene Davis 1920-1985
Gene
By ribbon method I mean - an approximate two foot section of plywood at the bottom of the roof followed by 1 x 3 strips spaced every two feet for attachment of the 24" cedar shingles.
I'll have to back to the architect for insulation and air and moisture sealing below.
"1 x 3 strips spaced every two feet for attachment of the 24" cedar shingles."
A small point, but the skip sheathing wouldn't be at two ft, it would be at 8" or that ever your shingle exposure is.
from that description, it sounds like you are talking skip sheathing and shakes, not shingles. Do you know the difference between shakes and shingles? Novices commonly confuse perms and the methods for installation are different.
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I have used 1x furring on top of solid sheathing with good results, detailing the edges as Hussein mentioned above. I have not used the cedar breather.
Don't be confused by the interwoven tarpaper mentioned above. That is a snow baffle used with "shakes" not shingles.
Here's all the info you need:
http://www.cedarbureau.org/
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after forty years of this, I have no idea what the ribbon method is. Maybe you can describe that
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Taunton University of Knowledge FHB Campus at Breaktime.
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