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Old 11-21-2008, 06:14 AM
Ken Amelin Ken Amelin is offline
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Join Date: Mar 2007
Location: Cape Cod, Massachusetts
Posts: 143
Re: shake roof/ no drip edge
When installing wood shingles or shakes over plywood use a breather underlayment. Example of one type of alternative system

Cedar Breather Underlayment from Benjamin Obdyke
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