Ultimate LVL Deck Beam Span Table: Fast & Easy Guide

LVL Deck Beam Span Tables: A Comprehensive Guide

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LVL (Laminated Veneer Lumber) deck beams are a popular choice for outdoor structures due to their strength, durability, and aesthetic appeal. When designing a deck, it's crucial to understand the span capabilities of LVL beams to ensure safety and longevity. This guide provides a comprehensive overview of LVL deck beam span tables, helping you make informed decisions during your deck construction project.

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Understanding LVL Beams

LVL beams are engineered wood products made by gluing together thin layers of veneer in a cross-laminated pattern. This manufacturing process results in a strong, stable, and dimensionally accurate beam. LVL beams are available in various sizes, with depths typically ranging from 1.5" to 3.5" and widths from 3" to 12".

the table shows the number and types of lumber span tables for each type of table

LVL Beam Grades

LVL beams are graded based on their strength and stiffness. The most common grades for deck construction are #2 and #3. #2 grade LVL beams have a higher strength and are typically used for longer spans, while #3 grade beams are suitable for shorter spans and are more economical.

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LVL Deck Beam Span Tables

LVL deck beam span tables provide essential information about the maximum span lengths for different beam sizes and grades. These tables are based on building codes and engineering principles, ensuring that the beams can safely support the intended loads. Always consult the manufacturer's span tables for the specific LVL beams you plan to use.

Factors Affecting Beam Span

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Several factors influence the maximum span of an LVL deck beam, including:

Beam size (depth and width)
Beam grade (#2 or #3)
Live load (the weight the beam will support, typically 40 lbs/ft² for decks)
Dead load (the weight of the beam itself and any permanent fixtures)
Spacing of joists or other supporting members

Example LVL Deck Beam Span Table

Here's an example of an LVL deck beam span table for #2 grade beams, with a live load of 40 lbs/ft² and 16" on-center joist spacing:

Beam Depth (in)	Beam Width (in)	Maximum Span (ft)
1.5	3	6
2	3	8
2	4	10
2.5	5	12
3	5	14
3.5	6	16

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Designing for Longer Spans

If your deck design requires longer spans than those listed in the LVL beam span tables, you may need to use larger beams, increase the beam grade, or use engineered wood products specifically designed for long spans, such as I-joists or parallel chord trusses.

Safety and Code Compliance

Always consult local building codes and obtain any necessary permits before beginning your deck construction project. It's also essential to follow the manufacturer's recommendations for handling, installation, and loading of LVL beams. By doing so, you'll ensure a safe, durable, and code-compliant deck structure.