SBCA - Fire Performance of Finger-Joints

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Fire Performance of Finger-Joints

finger-jointed lumber

One type of connection used in the manufacture of wood structural building components is the glued finger-joint. The relative newness of structural building components, and of the finger-joints which are used in them, has raised questions about their performance from the perspective of fire safety. This page provides documents and resources which address these questions.

Resources

Fire Performance of Finger-Joints

Forintek Canada test results on fire resistance of floor assemblies

US Department of Agriculture test results on adhesive behavior in wood construction

National Engineered Lightweight Construction Fire Research Project
(see p. 201)

Fire resistance tests of finger-jointed truss assemblies
(Underwriters Laboratories)

Fire resistance tests of finger-jointed truss assemblies
(Intertek/ETL & Warnock Hersey)

Evaluation Report for finger-jointed trusses
(International Code Council)

Information on finger-jointed trusses from Open Joist 2000

U.S. Department of Agriculture, Wood Handbook:

Ch. 9 — Adhesive Bonding of Wood Materials

Ch. 10 — Wood-Based Composites and Panel Products

Ch.11 — Glued Structural Members

Ch. 17 — Fire Safety

Chemical information on resorcinol

Chemical information on phenol

Carbeck Structural Components Institute fire performance educational programs

SBCA Resources for Fire Professionals page

SBCA Fire & Wood Trusses page

American Forest & Paper Association. 2005. National Design Specification for Wood Construction. Chapter 4.

Metal Plate Connected Wood Truss Handbook, 3rd Ed., Wood Truss Council of America, Madison, WI., 2002.

ASTM D2559 Standard, available from ASTM International