This manufacturer letter confirms that it is acceptable for GAF asphalt shingles to be installed directly to the ZIP System roof sheathing. The provided conditions must be satisfied.
This poster is a Portuguese translated overview of typical ZIP System sheathing details for roof applications, and is formatted to be used as a printable jobsite poster.
Jobsite Poster for ZIP System Roof Sheathing | Portuguese
This poster is a Spanish translated overview of typical ZIP System sheathing details for roof applications, and is formatted to be used as a printable jobsite poster.
Jobsite Poster for ZIP System Roof Sheathing | Espanol
