Aztec Washer Company RS051BA - Residential Master Flash Mini - Black

Aztec Washer RS051BA is the mini size in the Residential Master Flash line. It’s molded from UV- and ozone-resistant EPDM with a lead-free aluminum base that conforms to common roof profiles. A built-in 20° pitch helps it sit correctly on steep roofs, and the pull-tab, smooth tear rings make trimming fast and clean on site.

Key Features:

• Mini Residential Master Flash in black EPDM with lead-free aluminum base.
• Built-in 20° pitch; suitable for roof pitches up to about 45°.
• Pull-tab design with smooth tear grooves for knife-free sizing.
• Designed for long-term weathering resistance and easy field customization.

• Product line: Residential Master Flash (mini).
• Part number: RS051BA.
• Material/color: EPDM, black; base is lead-free aluminum.
• Pipe range: closed to 3-1/4 in (0–82 mm).
• Base size: 16 in × 19-1/4 in (410 × 490 mm).
• Built-in pitch: 20°; suitable for roof pitches up to about 45°.
• Installation: cut to size using pull-tab tear rings; form base to panel profile.
• Listing/notes: self-extinguishing feature suitable for type “B” vents; IAPMO listing noted in catalog.

Q: What pipe sizes does RS051BA cover?
A: Closed top to 3-1/4 inches (0–82 mm).

Q: What does the “mini” designation mean?
A: It’s the smallest Residential Master Flash size, with a compact 16 × 19-1/4 inch base for tight spaces.

Q: What is the base material?
A: Lead-free aluminum designed to form to common roof panel profiles.

Q: Do I need to use a knife to trim it?
A: No. The pull-tab design with smooth tear grooves is intended for clean, knife-free sizing.