Lumber

Fire Rating For Truss Assemblies Built With 2x3 Lumber

Question:

Are there any published studies or guidelines on the fire rating of floor trusses built with 2x3 lumber?

Repairs To Field Modified Damaged Trusses

Question:

As a home inspector, I have recently inspected an existing home with an attic truss system installed. Several of the truss web members have been cut away to allow access to an attic-mounted heating system. Can you recommend repairs to a truss with cut web members?

Fire Damage Assessment

Question:

How do you evaluate whether a metal plate connected truss is still usable after exposure to fire? Are there any recommended tests?

Structural Composite Lumber In Trusses

Question:

The lumber used in most metal plate connected wood trusses is either visually- or mechanically-graded solid sawn dimensional lumber. However, the Truss Plate Institute's ANSI/TPI 1 allows the use of structural composite lumber (SCL) products such as laminated veneer lumber (LVL), laminated strand lumber (LSL) and parallel strand lumber (PSL). These engineered wood products can conceivably compete with sawn lumber and complement it in truss designs.

Floor Performance

Question:

How do you avoid floor performance problems?

Truss Design Factors Of Safety

Question:

I am currently working on a project where a wood truss system was loaded with a heavy spring snow. I do not believe the load was beyond the truss's design capacity, but how do you know? Is there safety built into wood trusses? If the trusses were loaded beyond their design capacity, it would not have been for a long duration.

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SBC Magazine Action Menu

Fire Rating For Truss Assemblies Built With 2x3 Lumber

Repairs To Field Modified Damaged Trusses

Fire Damage Assessment

Structural Composite Lumber In Trusses

Floor Performance

Truss Design Factors Of Safety

Life Expectancy Of Wood

Lumber Sizes And Properties

Ga Rc 2601

Wood Three Hour Fire Assembly