Open Web Floor Truss Retrofit

No more custom made floor trusses.
Open web floor truss retrofit. Cantilevers can include built in details such as dropped top chords for balcony decking. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Up to 40 open framing for plumbing. Shop roof trusses spacer floor truss.
Trimjoist is the marriage of an open web floor truss and a trimmable wooden i joist bringing the best features of each to the relationship. In the late 1950 s redbuilt s founders invented an innovative composite steel and engineered wood open web truss. Maximum deflection is limited by l 360 or l 480 under live load. Plated floor trusses are very heavy present a handling danger because of sharp plate edges and plates often interfere with the installation of mechanicals.
Open web floor trusses can support greater concentrated loads to carry bearing walls and roof loads from above. Download autocad details for our products to assist with detailing. Regions such as lethbridge ab have been using the floor truss for many years with an estimated 75 of residential units using them. Far greater than ewp and conventional framing.
4 x 2 floor truss systems are custom built pre fabricated floor components that have been used in canada for over 30 years. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Up to 120 spans. Open web floor trusses provide superior cantilever distances.
4 to 10 on center spacing. Download bim objects for our open web trusses and red i joists. Redbuilt s floor performance rating system helps you understand them. As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit.
Spacing of trusses are center to center in inches. Open web wood floor trusses. Using floor trusses allows you to utilize eight foot basement walls as the ductwork is installed within the openings of the floor truss. Steel is also a non renewable resource manufactured with great energy consumption.
Since then this design solution for architects and engineers has evolved to support large floor areas and large roof spaces of up to and over 100 feet wide.