Once again a 2 by 4 inch piece of lumber is placed between the trusses and parallel to the ceiling joists.
Attic support beams.
The same is true for beams like structural ridge beams and center girders.
Rafters have a tendency to flatten under gravity thrusting outwards on the walls.
The other is just used to support the trusses.
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.
In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side.
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.
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.
Collar ties rafter ties tension beams structural ridge 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.
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.
A great deal depends on the pitch of the roof.