Grille Backer Series 1 (GB1) is panelized with factory-attached wood backers at 12" O.C. Backers are painted fat black (other finishes are available). GB1 panels install by screwing through the backers between blades. Ceiling applications are suspended from Armstrong® Prelude® XL® are installed with 1/2"–1" reveal between panel ends and at perimeter walls or headers. Optional notched backers provide additional strength and stability for wall applications with blade depths greater than 2". For post installation access the attachment screws can be removed, or optional suspension can be provided for regular access.

Grille Backer Series 1 (GB1) system is available in solid wood or wood veneer (depending on blade size and design requirements). Blade sizes are typically 1-3/8"– 3-1/2" deep (for depths greater than 3-1/2" see our Baffle Systems). Grille panels are assembled with four to ten blades per foot. Panels are nominal 1' or 2' width by varying lengths in 1' increments (custom widths and lengths are available).

Specifications

• Suspension: Wood Backer
• Encapsulated Insulation: No
• Blades per ft: 5
• Depth: 3-1/2 in
• Typical Thickness: 1-1/2 in