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SmokeShield Operators

Note: UL325 Standard requires covering moving components of all exposed motors mounted at or below 8 feet in height.

Cornell's UL325 Compliance Recommendation

Sensing Edges Options for Coiling Doors Document

SmokeShield Fire Door Operator Information

SmokeShield FireMiser™ Insulated Fire Door Operator Information

SmokeShield Counter Fire Door Operator Information

Visit LiftMaster.com for more information regarding LiftMaster® motor operators and electrical products.


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24 Elmwood Ave., Mountaintop, PA 18707 | Tel 800.233.8366 | Fax 800.526.0841 | Email cornell@cornelliron.com

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