Aztec Washer Company MFSQ101BA - Multi-Flash Square Vent Master Flash, #1

The Aztec Washer Multi-Flash Square Vent Master Flash® provides a secure and weather-tight seal for square vent applications. Engineered from durable EPDM rubber, this flashing is designed for both standard and retrofit installations, offering long-lasting resistance against UV, ozone, and weather conditions. Its versatile design includes a stainless steel gripper for retrofit use, making it a simple and reliable solution for sidewall penetrations, stucco walls, drywall, corrugated siding, and roof penetrations.

Key Features: 

• One design with multiple functions: works for both standard and retrofit installations
• Built-in stainless steel gripper for easy retrofit applications
• Made from EPDM rubber, compounded for superior UV and ozone resistance
• Designed for square or rectangular vent applications in roofing and wall systems

• Product Name: Multi-Flash Square Vent Master Flash®

• Part Number: MFSQ101BA

• Material: Black EPDM

• Pipe Range (Standard): Closed up to 5 in (125 mm)

• Pipe Range (Retrofit): 3/4 in – 4-1/2 in (20–115 mm)

• Base Size: 8 in (203 mm)

• Applications: Drywall, sidewall, stucco walls, corrugated metal siding, roof penetrations

• Design: Square vent flashing with retrofit compatibility

Q: What is the MFSQ101BA used for?
A: It is designed for square vent applications on walls and roofs, providing a weather-tight seal.

Q: Can this flashing be used for retrofit installations?
A: Yes, it comes with a built-in stainless steel gripper that allows for quick retrofit applications.

Q: What materials is it made from?
A: The MFSQ101BA is constructed from durable black EPDM rubber for maximum UV and ozone resistance.

Q: What size range does it cover?
A: It fits standard pipes up to 5 inches (125 mm) and retrofit applications from 3/4 inch to 4-1/2 inches (20–115 mm).