Aztec Washer Company RS201BA - Residential Master Flash - Black

The Aztec Washer RS201BA Residential Master Flash is a pipe flashing specifically designed for residential roofing applications. Constructed from durable black EPDM, it is engineered with fire-retardant agents for added safety and is listed for use with type “B” vents. The flashing provides a long service life with enhanced resistance to ozone, UV, and weathering. Its built-in 20° pitch adapts to most residential roof pitches up to 45°, while the environmentally safe aluminum base ensures secure installation and fit.

Key Features:

• Made from black EPDM with self-extinguishing, fire-retardant properties.
• Built-in 20° pitch for compatibility with steep residential roof slopes up to 45°.
• Environmentally safe, lead-free aluminum base for secure rooftop sealing.
• Long-life design with superior resistance to ozone, UV rays, and weathering.

• Part number: RS201BA
• Material: Black EPDM with aluminum base
• Pipe range: 7 in to 11-1/2 in (177–292 mm)
• Base size: 26 in x 30 in (660 x 762 mm)
• Temperature resistance: 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 RS201BA?
A: Avoid petro-chemical-based sealants. Urethane or silicone sealant is typically recommended.

Q: Can RS201BA handle steep residential roof pitches?
A: Yes, the built-in 20° pitch allows adaptation to most residential roof slopes up to 45°.

Q: Is RS201BA suitable for high-heat applications like chimneys?
A: For continuous temperatures above 212 °F (100 °C), silicone versions are recommended instead of EPDM.

Q: What makes this flashing safe for residential use?
A: RS201BA includes a fire-retardant compound, is self-extinguishing, and comes with a lead-free aluminum base.