The nailing requirements for a FORTIFIED Roof in Louisiana depend on the specific certification level you are seeking to achieve. According to the IBHS FORTIFIED Home standards, these requirements focus on both the number of nails used per shingle and the type of nails used for the roof deck.
The specific nailing patterns by certification tier include:
- Bronze Level: Requires a minimum of 6 nails per shingle.
- Silver Level: Requires a minimum of 8 nails per shingle.
- Gold Level: Requires a minimum of 8 nails per shingle.
In addition to the shingle patterns, the installation must utilize specific materials and techniques to improve wind resistance:
- Ring-shank nails: These are required for roof deck attachment to create a continuous load path from the roof to the foundation.
- Precise spacing: Enhanced nailing schedules and precise spacing requirements must be followed to satisfy IBHS criteria.
- Reinforced deck attachments: The standards mandate reinforced attachments to ensure the roof deck remains secure during severe weather and high-wind events.
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