Technical Specification 009 Enhanced security and general requirements for letter box assemblies that are free standing or surface mounted and where mail is retrieved from the same side as delivery
Publication Year
2012
Document Status
Withdrawn
Abstract
Details an enhanced security and general requirements classifications for letter box assemblies. Also details test requirements and procedures, product assessment, marking and labels and gives installation instructions. Includes an example construction specification.
Document History
DHF 1052:05/12. Rebranded in 2017.
Publisher Information
Door and Hardware Federation
The Door and Hardware Federation (DHF) was created from a merger of the Association of Builders' Hardware Manufacturers (ABHM) and the Door and Shutter Manufacturers' Association (DSMA) as a not-for-profit trade association for companies associated with locks and building hardware, doorsets, industrial doors and shutters, domestic garage doors and automated gates. They provide technical advice, training, knowledge and practical help.
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