Attic Support Beams

Collar ties rafter ties tension beams structural ridge beams.

Attic support beams.

A great deal depends on the pitch of the roof. Sistering is the process of adding a new joist next to each existing joist. You can t beat sawn lumber for most small window headers but as spans and loads increase stronger materials are a better choice. Too often builders gang together 2 inch dimension lumber to support roof and floor loads without considering other options.

In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side. 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. Rafters have a tendency to flatten under gravity thrusting outwards on the walls.

The other is just used to support the trusses. 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. Some of these can support the roof and prevent ridge sagging and wall spreading. 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.

The same is true for beams like structural ridge beams and center girders.