Guide
Plywood thickness and fastener pattern: the deck rules under a new shingle roof
Written by Ultra Power Construction. The credentials page states that this contractor is licensed and insured in New Jersey and lists GAF and Owens Corning programs. Updated 2026-09-28.
Mountain Lakes, Florham Park, and New Providence re-roofs succeed or fail on the deck and the nail pattern as much as on the shingle brand. The decision on the estimate is whether plywood thickness and the fastening pattern are named to manufacturer and wind requirements.
- Thin or damaged deck cannot hold a warranty nail pattern
- Fastener pattern is a written specification
- What to require on the page
Thin or damaged deck cannot hold a warranty nail pattern
Soft, thin, or gap-filled sheathing lets nails miss or overdrive. Replace failed sheets before arguing about shingle color.
Fastener pattern is a written specification
High-wind and steep-slope installs often need more nails per shingle and sealed starter. “Nailed per code” without a pattern still leaves the crew guessing.
What to require on the page
Deck thickness for replacements, nail count and placement, and whether pneumatic pressure will be checked. A Florham Park or Mountain Lakes brand name alone is not a fastening plan.