Grecca Corrugated - Closure Usage ---> Corrugated Quote & Order--Reload Site
 
Use closures under ridge flashing ( see below ). At lower edge of roof sheets and at top & bottom of wall sheets. closures are placed between poly & purlin or girt.
At ridge closures are placed between ridge flashing and polycarbonate.
• Closures 3 ft. long. To determine needs take linear footage of top and bottom of sheets and divide by 3.
 
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