The Dorma® Aluminum 4-1/2" Drop Plate is a heavy-duty commercial door closer mounting adapter designed for parallel arm door closer installations where the top door rail dimensions are limited. Engineered for commercial storefront and entry door systems, this drop plate provides secure closer mounting support while ensuring proper closer alignment and dependable operation.
Sold by: Each
Brand: Dorma®
Finish/Color: Aluminum
Material: Metal
Product Type: Door Closer Drop Plate
Application: Commercial Door Closer Mounting
Installation Type: Parallel Arm Installation
Width: 13"
Height: 4-1/2"
Compatible Applications: Non-Hold Open, Plunger Hold Open, Friction Hold Open, and Fusible Link Closers
Top Rail Requirement: Less Than 5-3/4" for Non-Hold and Plunger Hold Open Applications
Top Rail Requirement (Friction/Fusible): Less Than 6" with 5/8" Stop Dimension
Function: Provides Additional Mounting Surface for Door Closers
Recommended Use: Commercial Storefront and Entry Doors
Part Number: CH-289AL
Constructed from durable metal with a corrosion-resistant aluminum finish, this commercial drop plate is designed for use with non-hold open, plunger hold open, friction hold open, and fusible link door closer applications. The plate allows proper installation of parallel arm closers when the top door rail is less than 5-3/4" for non-hold and plunger hold open configurations, or less than 6" for friction and fusible link applications, assuming a 5/8" stop dimension.
Designed for demanding commercial environments, this mounting plate delivers dependable structural support and long-lasting durability for aluminum storefront doors, hollow metal doors, and commercial entry systems. Ideal for retrofit, repair, and new installation projects, the Dorma® Drop Plate helps ensure proper door closer installation where standard mounting space is restricted.
Suitable for commercial, institutional, and storefront door applications, this heavy-duty drop plate provides reliable mounting performance and professional installation flexibility for commercial door closer systems.