Aztec Washer Company RD101BE - Universal Master Flash Round Flashing - #1 (1-7/8 in. - 2 1/2 in.)

The Aztec Washer RD101BA Extreme Angle Master Flash is a small-size flashing designed for steep metal roofs with slopes between 35° and 65°. Constructed from black EPDM, it offers long-term resistance to UV, ozone, and weathering. Its built-in 40° pitch allows for proper alignment on extreme slopes, while the flexible trim-to-fit sleeve provides a secure seal around smaller pipe penetrations.

Key Features:

• Black EPDM construction for superior weather, ozone, and UV resistance.
• Built-in 40° pitch adapts to roof slopes between 35° and 65°.
• Trim-to-fit sleeve marked for accurate on-site cutting.
• Compact 4-3/4 in base for small pipe penetrations.

• Part number: RD101BA
• Material: Black EPDM
• Pipe range: 1/4 in to 1-7/8 in (6–48 mm)
• Base size: 4-3/4 in (121 mm)
• Application: Small 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 RD101BA?
A: Urethane or silicone sealant is recommended. Avoid petro-chemical-based sealants.

Q: What roof pitch is RD101BA designed for?
A: It is made for extreme slopes between 35° and 65°.

Q: What pipe sizes can RD101BA handle?
A: It fits pipe diameters from 1/4 in to 1-7/8 in (6–48 mm).

Q: Is RD101BA suitable for high-heat applications?
A: EPDM is rated up to 212 °F (100 °C). For higher temperatures, silicone models are recommended.