Aztec Washer Company SQ201GA - Master Flash Square Flashing - (7/8 in. - 4 in.)

The Aztec Washer SQ201GA Standard Master Flash is a medium-size pipe flashing designed for durable sealing on roof penetrations. Made from gray EPDM, it is engineered to resist ozone, UV rays, and weathering. The flexible sleeve accommodates pipe vibration and expansion, while trim-to-fit markings allow quick on-site customization. Its conforming base adapts to roof profiles and slopes, ensuring a watertight and secure installation.

Key Features:

• Gray EPDM material for long-lasting durability and resistance to UV and ozone.
• Trim-to-fit sleeve with marked guidelines for accurate pipe sizing.
• Flexible design absorbs vibration and movement from pipe expansion.
• Soft base molds to most roof panel configurations for a secure seal.

• Part number: SQ201GA
• Material: Gray EPDM
• Pipe range: 7/8 in to 4 in (22–101 mm)
• Base size: 6 in (152 mm)
• Application: Medium-size pipe penetrations on residential and commercial roofs
• Temperature resistance: EPDM up to 212 °F (100 °C) continuous, 275 °F (135 °C) intermittent
• Warranty: 35 years (ICC-listed standard Master Flash)

Q: What type of sealant should be used with SQ201GA?
A: Use urethane or silicone sealant. Avoid petro-chemical-based sealants.

Q: Is SQ201GA suitable for use on both residential and commercial roofs?
A: Yes, the base adapts to most roof panel types and roof slopes.

Q: Can SQ201GA be used for high-temperature applications?
A: EPDM is suitable for temperatures up to 212 °F (100 °C). For hotter applications, silicone flashings are recommended.

Q: Why choose gray EPDM instead of black?
A: Many installers prefer gray for aesthetics, but performance is the same as black EPDM.