Tri-Ply® APP Smooth Membrane is a smooth-surface modified bitumen membrane manufactured to stringent GAF specifications. Its core is a strong, resilient, non-woven polyester mat that is coated with weather-resistant APP polymer-modified asphalt.
- For low-slope roofing systems
- Ideal for new construction and re-roofing of built-up or modified bitumen roof systems
- Smooth surface can be used as a cap or interply membrane
- Resilient polyester core resists splits and tears
- Can be installed during cold, damp weather
- Suitable for torch-applied applications
- Meets ASTM D6222, type I, grade S
- FM approved
- UL listed














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