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Integral Nailing Fin

Most Sun window and door products include nailing fins that are formed as an integral part of the frame, not separate "add-on" fins. The integral nailing fins are much stronger and provide a stronger, more stable installation.
SunClad Nail Fin SunVinyl Nail Fin Add-On Nail Fin

SunClad Nail Fin

• Integral Part of the frame
• Ridgid Fin for maximum stability
• Stronger Installation
• Minimizes flexion in the opening

SunVinyl Nail Fin

• Integral part of the frame
• Very good stability
• Strong Installation
• Minor flexion in the opening

Competitor's
Add-On Nail Fin

• Separate fin attaches to product
• Flexible fin
• Product moves in opening

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