Accordion Acoustical Room Dividers - Partitions - Series 3300

GLASSESSENTIAL® SERIES 3300 is one of the unique practical solutions for space, sound and heat loss control. Our Series 3300 acoustic room partition is a smart yet affordable alternative to the other available options. 

Acoustical Accordion Room Partition Door Partition Flexible and Convenient Style Partition
Accordion Doors Wood Partition  


    • Perimeter-sealed, acoustic-lined
    • Rigid MDF body panels
    • Dual-walled sound barrier
    • Provides improved speech privacy between rooms
    • Incorporating our exclusive heavy duty hardware system
    • Practical applications include offices, churches and restaurants and hotel meeting spaces where moderate sound control is desired
    • Series 3300 doors are available in a variety of handsome hardwood and Vinyl-Lam finishes, even alternate finish materials on each accordion door face.
    • Flexible and convenient style partition featuring solid panels
    • Can be ordered unfinished or primed to accommodate your paint or stain
    • Provides special custom finishes and have the ability to match existing finishes along with custom laminates such as Formica, Wilson art, pointer, and Nava mar
    • Aesthetic divider and protection provider
    • Design benefits desired in residential, industrial, and commercial settings
    • Field sound transmission class (FSTC 33): Field tests were performed by Brock, Richards & Chaudière, Inc. of Seattle, Washington following the procedures specified in ASTM designation E 336-90.


    • Panels: 4¼" wide by ¼" thick available in Vinyl-Lam and hardwood veneer faces front and back
    • Panel Connectors: Flexible vinyl color-coordinated to panel selection
    • Track:2- 7/16”x 1 ¾” aluminum clear finish heavy-duty aluminum ceiling guard with separate track available
    • Sound Seal: Dual-wall doors with internal sound-absorbent material, flexible vinyl sweep strips mounted on top and bottom of the door; wood molding mounted on both sides of the track forming 11-5/8" wide sweep surface
    • Wheels: 1- 1/8” nylon wheels with ball bearings on steel axle
    • Lead Post: 2- 7/8” x 4 ½” heavy-duty aluminum color-coordinated to panel connectors,
    • Jamb Molding: 2- 1/8” wide by 15/16” deep aluminum
    • Handle: Molded PVC with finger recess
    • Latch: Dead latch with thumb turn on two sides key lock option available
    • Width: Custom crafted to any width; intermediate rolling posts required on sections exceeding 15’
    • Height: Vinyl-Lam up to 12’1”and hardwoods up to 10’1”
    • Stacking Space: 2” per foot and 4½" for lead post


    • Heights 4' and less
    • Made as a Pair or Double End
    • Pull Rod
    • Sliding Jamb Panel is used when you would like to hide the accordion door in a pocket
    • Two piece aluminum ceiling guard and track ideally suited for acoustic ceiling installation
    • Fire-Retardant is available in light oak and chalk only

    Custom keying for your locksmith:

    • Keyed lock one-side
    • Keyed lock one-sided cylinder with pull
    • Keyed lock two-sides
    • Keyed lock two-sided cylinder with pull

    Intermediate Rolling Post Option:

    • Non-Locking foot-bolt