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SSI I-Joist is a structural "I" shaped member used in floor and roof construction.

SSI I-Joists are manufactured with either machine stress-rated lumber (MSR) or laminated veneer lumber (LVL) wood flanges and with structural grade oriented strand board webs.

Flange sizes range from 1 1/2" to 3" in depth and 2 1/2" to 3 1/2" in width. SSI Joists depth range from 9 1/2" to 30".

Performance Features

• ICBO approved
• Wide flange widths for greater stability and ease of nailing
• Continuous glued web to flange joints
• Continuous glued web to web joints
• Tension tested flanges (MSR) when finger joints are utilized
• Lighter than solid dimensional lumber or other Engineered Wood Beams
• Uses conventional hangers
• Dimensionally stable
• Provides a cost effective floor/roof system
• Split resistance (R chord) allowing for tight diaphragm nailing is available.
• Parallel or single tapered profiles are available.

Get copy of ICC-ES ESR-1991 here.