Floor Joist Framing Plan

The usual spacing of floor joists is 16 inches oc.

Floor joist framing plan.

The outer gray walls are the concrete foundation walls which support the floor joists. The header joist system is. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Tji floor joist framing.

Designing the framing system for engineered lumber is a little different from dimensional lumber. 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. 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. These joists may only be used for roof framing where the roof.

Engineered lumber continues to become more and more popular in today s construction industry. Remove any screws or fasteners that may be protruding from the surface of the joist. Some newer homes have manufactured i beam shaped joists. The picture below shows a plan view that means looking straight down from above the house.

Joists must be level and in plane for a flat surface. 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. The foundation plan usually specifies the joist size the spacing between joists and what direction the joists should travel. Design information for tji 110 560 joists.

From a three dimensional perspective the floor joist framing would look like this. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals. Floor joists are supported and held in position over exterior walls by header joists or by solid blocking between the joists.

Look for high low uneven joists using a tight string line. 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. Tji s engineered wood i joists are my preferred framing members for floor systems. Almost no twisting or warping very little dimensional shrinkage stiffness and strength.

Tji s offer many benefits compared to traditional dimensional lumber joists including. The narrow double lines show the floor joist themselves.