Aztec Washer Company SQ701BA - Master Flash Square Flashing - (6in. - 11 in.), #7

The Aztec Washer SQ701BA Standard Master Flash is a large-size roof flashing designed for extra-large pipe penetrations. Made from black EPDM, it delivers superior resistance to ozone, UV, and weathering. The sleeve includes trim-to-fit markings for quick and accurate field sizing, while its flexibility accommodates pipe expansion, contraction, and vibration. The soft base conforms to most roof panel shapes and slopes, providing a watertight, long-lasting seal.

Key Features:

• Black EPDM material engineered for durability and weather resistance.
• Extra-large trim-to-fit sleeve with size markings for precise customization.
• Flexible sleeve absorbs vibration and pipe movement.
• Base conforms to a wide variety of roof panel profiles and pitches.

• Part number: SQ701BA
• Material: Black EPDM
• Pipe range: 6 in to 11 in (152–279 mm)
• Base size: 12-1/4 in (311 mm)
• Application: Extra-large pipe penetrations on 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 SQ701BA?
A: Urethane or silicone sealant is recommended. Avoid petro-chemical-based sealants.

Q: Can SQ701BA be used for both residential and commercial roofs?
A: Yes, the base conforms to most roof panel shapes and roof slopes.

Q: Is SQ701BA suitable for high-heat applications?
A: EPDM is suitable up to 212 °F (100 °C). For hotter conditions, use a silicone flashing.

Q: How is SQ701BA installed?
A: Trim the sleeve to the correct pipe size, slide flashing over the pipe, form the base to the roof surface, apply sealant, and fasten securely.