What is an LVL beam?
An LVL beam is made from laminated veneer lumber: thin wood veneers joined together with structural adhesive. It is used in structural framing, including beams and headers.
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What is LVL used for?
LVL serves as structural framing in homes and commercial buildings. Virginia Cooperative Extension lists beams, headers, hip and valley rafters, and I-joist flange material among its applications. “Common applications of LVL in construction include hip and valley rafters, flange material for prefabricated wood I-joists headers and beams, and scaffold planking.” Source: Virginia Cooperative Extension, read 2026-10-31.
How does APA define an LVL beam?
LVL means laminated veneer lumber. APA places it in the structural composite lumber family: thin wood veneers joined with exterior-grade adhesive form the structural member. “Laminated Veneer Lumber (LVL) is a structural composite lumber product manufactured by bonding thin wood veneers with exterior-grade adhesives.” Source: APA – The Engineered Wood Association, read 2026-10-31.
How is LVL made?
LVL manufacture bonds thin veneer layers using heat and pressure. Virginia Cooperative Extension describes rotary-peeled veneers, with their grain running in the same direction. “These layers are glued together under high pressure and heat to make solid panels.” Source: Virginia Cooperative Extension, read 2026-10-31. “Generally, LVL is made from rotary-peeled veneers.” Source: Virginia Cooperative Extension, read 2026-10-31.
Is one wood species always used for LVL?
No single wood species defines LVL. Virginia Cooperative Extension names pine, larch, Douglas-fir, and spruce as examples of species used in its production. “A diverse range of species can be used to produce LVL, such as pine, larch, Douglas-fir, and spruce.” Source: Virginia Cooperative Extension, read 2026-10-31.
Is SCL suitable for wet use?
LVL belongs to the SCL family covered by this APA field question. Almost all SCL is intended for dry use below 16% moisture content; specific products may have wet-use recognition. “Almost all SCL materials are recognized for dry-use applications where they are not permanently exposed to weather, and/or will not reach moisture content of 16% or greater.” Source: APA – The Engineered Wood Association, read 2026-10-31. “However, some SCL producers may have recognition of their proprietary products for wet-use application conditions.” Source: APA – The Engineered Wood Association, read 2026-10-31. “If your jobsite gets wet during construction, the effects on engineered wood products depend on the severity and duration of the moisture exposure.” Source: APA – The Engineered Wood Association, read 2026-10-31.
Sources
- Structural Composite Lumber (SCL) — APA – The Engineered Wood Association; read 2026-10-31.
- Frequently Asked Questions — APA – The Engineered Wood Association; read 2026-10-31.
- Structural Composite Lumber (SCL) — Virginia Cooperative Extension; published May 9, 2022; read 2026-10-31.