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To use lumber in structural applications, construction
professionals need information on the strength capabilities of various
lumber grades. WWPA's Technical Services Division leads the industry
in creating and distributing this technical information to professional
users worldwide.
Architects, engineers, builders, code officials and
others rely on WWPA data to select the right grade, strength value
and fasteners for building with wood.
The Association's technical activities are carried out
by lumber technical experts stationed at the WWPA headquarters
in Portland, Ore. These experts are available to educate key audiences
on how to properly specify and use Western lumber.
Association Technical Services activities include:
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Wood engineering data. Western
lumber design values, design criteria, loading data and span
tables have been developed through WWPA's wood engineering research.
This important information is published in a number of technical
publications which have become standard reference tools for
those who design and build with wood.
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Code and regulatory issues.
WWPA regularly monitors developments in the building code, design
and engineering fields can affect the future use of Western
lumber in construction. This assures Association-published lumber
technical information continues to meet design needs.
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WWPA Lumber Design Suite
Download a new design tool that will provide calculations for
Western lumber in beams, joists, posts, studs and single shear connections.
It's all available in the new WWPA
Lumber Design Suite.
Lumber and Mold
Information about mold on
lumber is now available online in the WWPA Mold
and Wood Products section. You can review current information
on mold and wood products and download digital publications.
Online Technical Guide
You can get detailed technical information on lumber produced
by WWPA mills in the Online
Technical Guide. The guide includes sections on lumber grade
basics, Western species and uses, lumber specifying, base design
values, MSR and finger-jointed lumber and lumber properties and
spans. Click here to start exploring.
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