Attic Support Beams

Once again a 2 by 4 inch piece of lumber is placed between the trusses and parallel to the ceiling joists.

Attic support beams.

If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists. A higher pitched roof would be better for extra living space than a lower pitched roof. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. The same is true for beams like structural ridge beams and center girders.

A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof trusses usually occur at regular intervals linked by longitudinal timbers such as purlins the space between each truss is known as a bay. Some of these can support the roof and prevent ridge sagging and wall spreading. If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or. Too often builders gang together 2 inch dimension lumber to support roof and floor loads without considering other options.

Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Sistering is the process of adding a new joist next to each existing joist. The other is just used to support the trusses. A great deal depends on the pitch of the roof.

This is where a high pitched roof is necessary.