Palm Beach Roof System Wind Loads

Comprehensive roof wind load calculations for HVHZ. Metal, tile, shingle, and flat roof systems engineered for 180+ mph design speeds.

180+
MPH Design Speed
-150
PSF Uplift (Corner)
+45
PSF Downward
Roof Pressure by Zone
Corner
-150 PSF
+45
Edge
-110 PSF
+38
Field
-75 PSF
+30
Ridge
-90 PSF
+33
Uplift (Suction)
Downward Pressure

Roofing Systems

Metal Standing Seam

Class 90
  • 24-26 gauge steel
  • Concealed clips
  • 180+ mph rated

Concrete Tile

HVHZ Rated
  • Foam adhesive
  • Hurricane clips
  • Secondary barrier

Asphalt Shingle

Class H
  • 6-nail pattern
  • Enhanced starter
  • Hip/ridge caps

Flat/Low-Slope

FM 1-90+
  • Fully adhered
  • Enhanced perimeter
  • Metal edge detail

Technical Requirements

Attachment

  • Enhanced fastener schedules
  • Ring-shank or screw fasteners
  • Increased edge zone density
  • Clip spacing per pressure zone

Secondary Barrier

  • Peel-and-stick underlayment
  • Self-adhered at perimeters
  • Sealed deck required
  • Water intrusion prevention

Edge Metal

  • FM-approved drip edge
  • Continuous cleat system
  • Corner reinforcement
  • Fascia-mounted details

Testing

  • Florida Product Approval
  • Miami-Dade NOA
  • TAS 100/105/107
  • Uplift test certification

Get Your Roof Calculations

Instant wind load analysis for any roof type and zone. PE-certified reports.

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-150 PSF
Max Corner Uplift