AJS 24 FMJ

Fire Membrane Joist (AJS® 24 FMJ) One-Step Fire Solution

BOISE CASCADE FIRE SOLUTIONS FOR BASEMENTS

Fire Membrane Joist (AJS 24 FMJ) One-Step Fire Solution Photo

Feature Benefits
MET ICC-ES ACCEPTANCE CRITERIA Met ICC-ES acceptance criteria for fire protection of residential floors. Code approved through ICC-ES ESR 1144. AJS® 24 FMJ has passed the E119 fire test as required to establish equivalency to dimension lumber joists.
CONSTRUCTION FRIENDLY
  • AJS® 24 FMJ arrives at the jobsite ready to be installed.
  • No Specific top and bottom orientation to help assure correct framing every time.
  • Web holes may be cut the same as with non-protected joists.
  • Non-corrosive to fasteners.
  • Has met stringent durability standards required by the building code.
  • 2×4 flange means longer, stronger spans; wider nailing surface.

Flyers and Tech Notes

AJS® 24 FMJ Flyer

AJS® 24 FMJ Guide

AJS® 24 Flyer

AJS® 24 FMJ Installation Instructions – Tech Note IJ-30

Formaldehyde – Tech Note GE-15

Industry Documents

Date of Publication Name of Document Provided by
10/4/2017 Fire Protection of I-Joist Floors with Factory-Applied Solutions APA
09/21/2017 Code Requirements for Structural Composite Lumber APA, Wood I-Joist Manufacturers Association, American Wood Council
09/01/2017 Code Requirements for Prefabricated Wood I-Joists APA, Wood I-Joist Manufacturers Association, American Wood Council
11/09/2017 APA Product Report PR-E730 Qualified Wood I-Joists with Low Formaldehyde Emissions APA, Wood I-Joist Manufacturers Association, American Wood Council

Contact Information

For information regarding AJS® 24 FMJ product and other fire joist solutions, contact:

Scott Lyons ScottLyons@BC.com 208-384-6229
Nathan Paul NathanPaul@BC.com 704-773-4395