Open Web Floor Joist System

The open web nature of the trimjoist is ideal for plumbing electrical find out more about load opening charts and requirements for the trimjoist floor truss system.

Open web floor joist system. This also reduces the need and cost for extra bearing posts beams and footings. No more custom made floor trusses. The open web design allows for efficient installation of plumbing and electrical lines throughout the floor system. Other than the floor stiffness i would not recommend going more than 16 o c.

The major benefit of metal web joists is the open web which allows easy installation of the plumbing and electrical services. Open joist trusses are manufactured under license by allegheny structural components inc. The dimensional stability of tji joists help them resist warping twisting and shrinking that can lead to squeaky floors. Floor joist stiffness has most to do with the span of the floor joist.

Our open joist system the strength of the triangulation the accuracy of multiple joints optimizing the use of wood in a responsible manner and adjustment flexibility to the site makes the triforce open joist the only floor open joist and adjustable made entirely of wood and assembled without a metal connector. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. The scheduling department works diligently to insure all trusses systems are manufactured and delivered to site on time and as scheduled by the builder or project manager. Trus joist tji joists are a key part of making a high performance floor.

Of emlenton pennsylvania a company founded and operated by the original staff that introduced open joist to the united states in 1995. You may compare strongbacks in an open web floor system with blocking and nailing block in an i joist floor system. Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both. Open web joists are manufactured using tr26 structural graded timber for the flange along with the mitek posi strut steel web.

The re engineering of the wooden floor joist that. Floor joist spacing for i joist and 19 2 spacing for open web because the floor plywood tends to get bouncy. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. The short pieces of i joist which serve as blockages between the joists in an i joist floor are elements working in shear and not in bending as a strongback would do.

Donaldson timber engineering design and manufacture the mitek posi joist system.