 I-JOISTS
I-joists are a high-strength, cost efficient alternative to
conventional framing; exceptionally stiff and lightweight with greater spanning
capabilities than solid sawn lumber. Holes may he easily cut in the web according to
factory recommendations, allowing ducts and utilities to he run through the joists.
Willamette l-joists are suitable for use in combination
with all framing systems.
Unlike conventional lumber, l-joists are dimensionally
stable and uniform in size, with no crown. This keeps floors quieter, reduces field
modifications, and eliminates rejects in the field, l-joists may be field cut to proper
length using conventional methods and tools.
Willamette Industries manufactures two families of
I-Joists. StrucJoist® products are used in residential applications and are manufactured using
laminated veneer lumber (LVL) flanges and oriented strand board (OSB) web materials.
StrucJoists are available in common industry sizes. WSI® I-Joists products cover a broad use
range including commercial and residential applications. They are available in an
extensive range of products with various flange size's, flange grades of MSR or LVL, web
thicknesses and depths.
All Willamette l-joist products are manufactured to
stringent quality standards using high quality materials and exterior adhesives.
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