Aztec Washer Company SQ601BA - Master Flash Square Flashing - (4 3/4 in. - 10 in.), #6

The Aztec Washer SQ601BA Standard Master Flash is an extra-large size roof flashing manufactured from black EPDM. It is designed for large pipe penetrations in residential, commercial, and industrial roofing. The flexible sleeve includes clearly marked trim lines for easy field sizing and absorbs pipe expansion, contraction, and vibration. The soft aluminum-free base conforms to most roof panel profiles and slopes, creating a long-lasting, watertight seal.

Key Features:

• Black EPDM construction engineered for weather, ozone, and UV resistance.
• Extra-large trim-to-fit sleeve with pipe size markings for accurate cutting.
• Flexible design accommodates pipe movement and vibration.
• Base conforms to a wide range of roof panel shapes and pitches.

• Part number: SQ601BA
• Material: Black EPDM
• Pipe range: 5 in to 9-1/4 in (127–235 mm)
• Base size: 12 in (305 mm)
• Application: Extra-large pipe penetrations on residential, commercial, and industrial 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 SQ601BA?
A: Use urethane or silicone sealant. Avoid petro-chemical-based sealants.

Q: Can SQ601BA be used on both commercial and residential roofing?
A: Yes, it is designed to fit most roof panel configurations and slopes.

Q: Is SQ601BA suitable for high-heat applications?
A: EPDM is rated up to 212 °F (100 °C). For higher temperatures, silicone flashings are recommended.

Q: How is SQ601BA 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.