Floor Joist Framing Plan

Some newer homes have manufactured i beam shaped joists.

Floor joist framing plan.

Wooden i joists provide a good balance of strength cost and ease of installation and they are what we are using for the floor joists on the fhb house with lvls for beams and headers. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. Look for high low uneven joists using a tight string line. The exact number of floor joists you ll need will depend on the size of the floor.

The header joist system is. The open joist plan specifications have been prepared by allegheny structural components inc. Tji s offer many benefits compared to traditional dimensional lumber joists including. Draw and label your framing plan to scale and double check each of your measurements to make sure they suit the structure s size and support requirements.

A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals. The usual spacing of floor joists is 16 inches oc. Design information for tji 110 560 joists. These joists may only be used for roof framing where the roof.

The outer gray walls are the concrete foundation walls which support the floor joists. Designing the framing system for engineered lumber is a little different from dimensional lumber. To assist design professionals in the preparation of a specification section covering open joist open web wood joists for use in floor framing in residential and commercial projects. As a general rule floor joists should be spaced 16 inches 41 cm apart for maximum stability.

The foundation plan usually specifies the joist size the spacing between joists and what direction the joists should travel. Tji s engineered wood i joists are my preferred framing members for floor systems. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Remove any screws or fasteners that may be protruding from the surface of the joist.

From a three dimensional perspective the floor joist framing would look like this. Almost no twisting or warping very little dimensional shrinkage stiffness and strength. Tji floor joist framing. Use a water management system such as a drip cap or flashing wherever framing meets the home to move moisture away from the home and deck.

The picture below shows a plan view that means looking straight down from above the house. The narrow double lines show the floor joist themselves.