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CertainTeed's premium polyester-reinforced, smooth-surfaced, mop-applied, SBS-modified base sheet, Flintlastic® Ultra Poly SMS, is both robust and resilient and delivers the benefits of a homogenous roof system when paired with SBS-modified bitumen cap sheets such as Flintlastic® GMS, Flintlastic® FR-P and Flintlastic® Premium FR-P. Many members of the design and specification community prefer multi-layer modified bitumen roof systems constructed with the same polymer-modified material and application methodology for base and/or interply and cap sheets, to optimize stress resistance to the roof system with materials expanding and contracting at the same rate. Ultra Poly can also be torch-applied and, while most commonly utilized as a base ply or interply, may also serve as a cap membrane when coated with SMARTCOAT® reflective roof coatings. More polymerized asphalt and a heavier reinforcement than it's "younger brother", Flintlastic® Poly SMS, this 145-mil membr...See More

Features & Benefits

Quick Specs
• SBS-modified base ply • Polyester reinforcement • 89 lbs. • 1 Square • 3.7 mm (148 mils)
• Meets or exceeds ASTM D6164, Grade S, Type I • Pliable even in cold temperatures • Excellent elongation/recovery
Why Buy
• Projects where mopped or torch-applied SBS-modified bitumen roof system is preferred or specified • As thick as some cap membranes • Robust, versatile base ply allows for extended warranties when mopped in hot asphalt or cold adhesive • Tried and true modified bitumen protection
• Standard asphaltic membrane warranty durations between ten and twenty-five years • Credentialed Contractors can increase warranty durations by 25% with an Integrity Maintenance Agreement • Product and Product/Workmanship options: Limited Warranty on Materials, Integrity Roof System® Limited Warranty, and Integrity Roof System No Dollar Limit (NDL) Limited Warranty Warranty durations are based on a combination of system specification and product selection.

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