Aztec Washer Company SQ301GA - Master Flash Square Flashing - ( 5 3/4 in.)

The Aztec Washer SQ301GA Standard Master Flash is a medium-to-large size roof flashing built from gray EPDM. It is engineered for long-term durability with excellent resistance to UV, ozone, and weathering. The sleeve is flexible to absorb vibration and pipe movement while marked trim lines make on-site sizing quick and accurate. Its soft, conforming base adapts to a wide range of roof panel profiles and slopes to deliver a watertight seal.

Key Features:

• Gray EPDM compound provides strong resistance to UV and weathering.
• Trim-to-fit sleeve with cut guides for accurate pipe fitting.
• Flexible sleeve absorbs expansion, contraction, and vibration.
• Conforming base adapts to roof panels and slopes for reliable sealing.

• Part number: SQ301GA
• Material: Gray EPDM
• Pipe range: 2-3/4 in to 7 in (70–177 mm)
• Base size: 8 in (203 mm)
• Application: Medium-to-large 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 sealant should be used with SQ301GA?
A: Use urethane or silicone sealant. Avoid petro-chemical-based sealants.

Q: Is SQ301GA suitable for both residential and commercial roofing?
A: Yes, the base adapts to most roof profiles and roof pitches.

Q: Can SQ301GA handle high-temperature applications?
A: EPDM is suitable for temperatures up to 212 °F (100 °C). For higher-heat applications, silicone flashings are recommended.

Q: Why choose gray EPDM over black?
A: Many installers prefer gray for aesthetic reasons, though performance is the same as black EPDM.