Aztec Washer Company SQ801GA - Master Flash Square Flashing - (6 3/4 in. - 13 1/2 in.)

The Aztec Washer SQ801GA Standard Master Flash is a heavy-duty flashing designed for very large pipe penetrations. Constructed from gray EPDM, it provides outstanding resistance to UV, ozone, and weathering. The flexible sleeve includes trim-to-fit markings for accurate on-site cutting and adapts to pipe expansion, contraction, and vibration. Its wide base conforms to most roof profiles and slopes, ensuring a watertight and durable seal for residential, commercial, and industrial roofs.

Key Features:

• Gray EPDM compound for long-term weather, ozone, and UV resistance.
• Extra-large trim-to-fit sleeve accommodates pipes up to 13-1/2 inches.
• Flexible design absorbs pipe movement and vibration.
• Large base molds securely to a variety of roof panel shapes and roof pitches.

• Part number: SQ801GA
• Material: Gray EPDM
• Pipe range: 6-3/4 in to 13-1/2 in (171–343 mm)
• Base size: 17 in (431 mm)
• Application: Very large pipe penetrations for residential, commercial, and industrial roofs
• Temperature guidance: 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 SQ801GA?
A: Use urethane or silicone sealant. Avoid petro-chemical-based sealants.

Q: Can SQ801GA be used for very large pipe installations?
A: Yes, it is designed for pipe sizes up to 13-1/2 inches (343 mm).

Q: Is SQ801GA suitable for high-heat applications?
A: EPDM is rated up to 212 °F (100 °C). For higher temperatures, silicone versions are recommended.

Q: How is SQ801GA installed?
A: Trim the sleeve to the required pipe size, slide it over the pipe, form the base to the roof, apply sealant, and fasten securely.