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 technical tip addresses the 2021 code changes in the Florida Building Code requiring a sealed roof deck, updated roof sheathing thickness requirements, and updated drip edge flashing requirements.
Florida Code Compliance for a Sealed Roof Deck Using ZIP System Sheathing and Tape
This manufacturer letter confirms that it is acceptable for DECRA Roof System metal panels to be installed directly to the ZIP System roof sheathing. The provided conditions must be satisfied.
