Stanley QRM311 8 600 Grade 1 Mullion Hardware

Stanley Security QRM311 8 600 GRADE 1 MULLION is an exceptional choice for enhancing the security and functionality of paired doors, especially when utilized with Rim Exit Devices. This Grade 1 Mullion, standing at a robust 8 feet, is designed for durability and versatility, featuring a 2" x 3" steel tube with a substantial 1/8" wall thickness. Engineered for use with Stanley's QED100 and QED300 Series Exit Devices, the QRM311 is pre-prepped to streamline installation, making it an ideal solution for building professionals and contractors. The mullion is adaptable for openings less than 8 feet and can be field-sized for heights up to 12 feet, providing flexibility for various applications. Constructed from high-quality investment cast steel, the head cap, bottom sill, and hurricane mullion adapters ensure reliability and strength, earning a fire rating for openings up to 8 feet high. Available in a primer finish (600), the QRM311 can be integrated seamlessly into diverse architectural styles. Whether addressing fire safety or providing robust support for exit devices, the Stanley Security QRM311 8 600 GRADE 1 MULLION delivers performance and peace of mind, making it a valuable addition to any building project.

GRADE 1 MULLION

Grade 1 Mullion, Standard, 8 Ft Mullion, Primer

Stanley Commercial Grade 1 Mullions are perfect for use with Rim Exit Devices on pairs of doors.

Pre-prepped for Stanley's QED100 and QED300 Series Exit Devices (respectively), the QRM100 and QRM300 Series Mullions are available in a variety of finishes.

QRM100 Series Mullions:

• 2" x 3" steel mullion tube. 1/8" wall thickness.
• Hurricane – 2" x 3" steel mullion tube. 5/16" wall thickness.
• Head cap, bottom sill & hurricane mullion adapters – investment cast steel.
• Size – Standard for openings 8' high, eld sizable for openings less than 8.' 9,' 10', 11' & 12' also available and are field sizable.
• Fire and Hurricane Rating 8' high max.
• Mullion is pre-prepped for QED100 Series Exit Devices.

QRM300 Series Mullions:

• 2" x 3" steel mullion tube. 1⁄8" wall thickness.
• Size – Standard for openings 8' high, eld sizeable for openings less than 8'. 9,' 10', 11' & 12' also available and are field sizable.
• Mullion is pre-prepped for QED300 Series Exit Devices.
• Fire Rating 8' high max.
• Available finishes – Primer (600), Aluminum (689) & Dark Bronze (695).

Resources

• Stanley Commercial Grade 1 Mullion Cut Sheet