06 17 00 Shop Fabricated Structural Wood

06 17 00 Shop Fabricated Structural Wood

Shop Fabricated Wood Trusses

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Shop-fabricated wood trusses are manufactured engineered products in which the chords and webs are made from wood and connected with metal connectors. The simplest form of truss has a horizontal bottom chord and top chords that form the shape of a triangle which offers support and stability for a roof and roof loads. More complex truss shapes have angled bottom chords and mutli-angled top chords.

Parallel Strand Lumber

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Parallel strand lumber is manufactured from long strands of wood veneer that are laid parallel to one another and adhered. PSLs are commonly installed as columns, beams and headers in concealed wall spaces where significant bending strength is required to support loads from above; however, they can also be attractively installed as as an exposed finish material.

Laminated Veneer Lumber

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Laminated veneer lumber is a shop fabricated structural wood, composed of wood veneers which are adhered together. Laminated veneers were first developed in the 1940s for aircraft parts. Laminated veneer lumber (LVL), which is a structural composite lumber (SCL), was first produced in the 1970s in response to growing environmental pressures and government regulations. It is an environmentally friendly product that efficiently utilizes wood fibers from smaller trees.

Shop Fabricated Structural Wood

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Also known as engineered lumber, shop-fabricated structural wood is manufactured from wood materials or a combination of wood and metal for use in specific structural applications. Shop-fabricated wood is typically used as beams, columns, joists, trusses and other structural members. Types include Laminated Veneer Lumber (LVL), Parallel Strand Lumber (PSL), Wood I-Joists, Metal-Web Wood Joists, Rim Boards and Shop-Fabricated Wood Trusses.