GatorSeal® Underlayment is a heavy duty, modified asphalt reinforced underlayment that seals around nail penetrations and protects against ice dams and wind driven rain

  • Modified asphalt reinforced with an extra heavy fiberglass mat
  • Uniformly seals to the deck and around fastener penetrations
  • Helps to protect building from damage due to ice dams and wind driven rain
  • UV protected surface
  • Aggressive bond at low temperatures
  • 20 year warranty

GatorSeal® Underlayment Brochure

GatorSeal® Underlayment Installation Guide

GatorSeal® Underlayment Warranty

GatorSeal® Underlayment SDS Sheet

Order Sample*
*Due to increased sample order volumes, delivery times may be a bit longer than normal.