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Your Roof and Floor Truss Specialist for Residential and Commercial Builders
Glossary of Terms
I-Joist - Structural member manufactured using sawn or structural composite lumber flanges and structural panel webs, banded together with exterior exposure adhesives, forming the cross-section shape of the capital letter "I".  These members are primarily used as joists in floor and roof construction.

ICBO - International Congress of Building Code Officials (Model Building Code).

Impact Load - Load resulting from moving machinery, elevators, craneways, vehicles or other similar forces and kinetic loads.

Interior Bearing - Supports that are interior to two exterior supports.

R & R Components, Inc.
5180 Commerce Drive
York,  PA   17404
Telephone: (717) 792-4641
Toll Free: 1-800-233-9423
Fax: (717) 792-2678
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Copyright 2002  R & R Components, Inc.