4" Deep Aluminum Combination Louver/Backdraft Damper

Model: LBD-4I

The Models LBD-4E & LBD-4I are weather louvers designed to protect the outside opening in building exterior walls. The LBD-4E may be used for exhaust air while the LBD-4I is designed for intake air applications. Both models incorporate drainable blades and downspouts jamb and gutter design for high performance.

Download Submittal Sheet PDF

Download LBD-4-I Detail DWG

Download Louver Installation Instructions PDF

Download Louver Color Selector JPG

Download Equipment Screen Support System PDF

Download Louver Details PDF

Download Louver Shapes PDF

Download Paint Warranty PDF

Download Actuator Sizing Chart PDF