
FLASH IT YELLOW™
“We feature disruptive innovation, butyl-based products, contractor certification programs, and superior warranties to provide the highest-performing underlayment systems for the sloped roofing marketplace.
The “Code Minimum” Era is Over.
80% of roof leaks originate at perimeter edges and wall transitions—not in the field.
“In an era of code-driven Sealed Roof Decks and 100% Self-Adhered (SA) systems, Flash Deck™ defines the future of construction. Our innovative, integrated design approach settles age-old industry debates by providing the tools for a high-performance solution for the roof’s most vulnerable points.
A Complete Underlayment System
The Flash Deck™ Integrated System is engineered as a single, cohesive waterproofing envelope where every component is chemically and physically designed to bond with the next.

