|Photo courtesy: Open Joist 2000
Trimmable Floor Trusses
Several manufacturers are producing or developing a trimmable floor truss that combines many of the positive features of I-joists or 2x lumber with an open web structure. The trimmable floor truss adds the flexibility of allowing the members to be shortened by as much as 12 inches on each end.
There are at least two types of trimmable floor trusses. The first type is a hybrid of truss and I-joist technology. The main part of the truss has steel webs with top and bottom cords made from Laminated Veneer Lumber or 2x lumber. The web material for a short distance on each end is made from OSB, effectively forming an I-joist on each end that can be trimmed as needed.
Photo Courtesy: Space Joist
The second type of trimmable open-web floor truss is an all-wood truss. This product has a section of dimensional lumber on then ends as opposed to an I-joist. The cords and webs are connected using finger-jointing technology.
The trimmable end on each type of truss can be cut in the field to add flexibility to the product that does not exist with the typical open-web floor joist.
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Open Joist 2000
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