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Doorway Solutions Customer Portal - Industry Related Information

The door and hardware industry is changing continually. In this section we will keep you up to date with the latest news and changes.

Positive Pressure Information

Positive pressure is a new type of fire testing for doors and hardware that is now being adopted in the U.S. market. This new testing greatly impacts door and hardware requirements in construction today. This article explains what positive pressure is and how it can affect you.

Door & Hardware Glossary

If you don't know the meaning of a term, this is the place to look!

Fire Rating Information

Fire testing of doors and hardware and the resulting labeling authorities granted, is a complex subject that is better understood when basic rules and guidelines are applied. This article has some more information.
BHMA Product Numbering
Every ANSI/BHMA standard contains an explanation of the BHMA product numbering code applicable for that particular category of hardware. BHMA product numbers utilize a five-digit number preceded by a prefix letter. This explains hose to read the code.
Hollow Metal Manufacturers Association (HMMA) Literature
The Hollow Metal Manufacturers Association promotes the advantages of hollow metal products. As a leading industry organization, they developing performance standards and specifications and aid in the creating and testing of products. A number of their documents are referenced here for our customers.
Steel Door Institute (SDI) Technical Documents
The Steel Door Institute is a voluntary, unincorporated, non-profit business association formed to promote the use of steel doors and frames in the construction industry. Since 1954 the Steel Door Institute has published Technical Documents and ANSI Standards to aid architects and specifiers in the selection, care and use of steel doors and frames. Those documents are linked here for our customers.


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