Aztec Washer Company RD701BE - Universal Master Flash Round Flashing - (5-1/2 in. - 11 in.)

The Aztec Washer RD701BA Extreme Angle Master Flash is a large flashing designed for steep metal roof applications with slopes from 35° to 65°. Made from black EPDM, it withstands UV, ozone, and weathering while remaining flexible to accommodate pipe movement. The built-in 40° pitch ensures proper fit on extreme roof angles, and the trim-to-fit sleeve seals pipe penetrations from 5-1/2 in to 11 in. Its wide 14-1/2 in base provides a secure, watertight installation.

Key Features:

• Black EPDM compound engineered for long-term weather, UV, and ozone resistance.
• Built-in 40° pitch adapts to extreme roof slopes from 35° to 65°.
• Flexible trim-to-fit sleeve accommodates pipe sizes from 5-1/2 in to 11 in.
• Large 14-1/2 in base provides a watertight seal on steep metal roofs.

• Part number: RD701BA
• Material: Black EPDM
• Pipe range: 5-1/2 in to 11 in (140–279 mm)
• Base size: 14-1/2 in (368 mm)
• Application: Large pipe penetrations on steep slope metal roofs
• Temperature guidance: EPDM up to 212 °F (100 °C) continuous, 275 °F (135 °C) intermittent
• Warranty: 20 years (EPDM)

Q: What type of sealant should be used with RD701BA?
A: Use urethane or silicone sealant. Avoid petro-chemical-based sealants.

Q: What roof pitch is RD701BA designed for?
A: It is engineered for steep slopes between 35° and 65°.

Q: What pipe sizes can RD701BA handle?
A: It fits pipe diameters from 5-1/2 in to 11 in (140–279 mm).

Q: Is RD701BA suitable for high-temperature applications?
A: EPDM is suitable up to 212 °F (100 °C). For higher-heat applications, use silicone versions.