Rebuilding Roof Trusses

Although one of the strongest roofing methods to date uses trusses a broken roof truss can cause great damage to a building and could result in a collapsed roof.

Rebuilding roof trusses.

If you think you d prefer an overhang style truss adjust the measurements for your top chords accordingly. Cut it to the length you require and add the plumb cut to its ends. The cost of repairs depends on the amount of structural damage and materials required to repair it. The trusses needed to be lifted to their original height and cut flush with the inside face of the cmu wall with the rotted sections removed.

For typical roof trusses used in light frame construction bolts are usually not used because of spacing requirements. Roof trusses are triangular timber frames which are nailed pegged or bolted together in order to create a supporting structure for your actual roof and although they are generally bought pre fabricated you can still easily fix them once they. Your top chords can protrude beyond the bottom chord anywhere from 1 3 feet 0 30 0 91 m. Also if you decide to do this you must work hand in hand with a licensed structural engineer that s familiar with wood trusses.

Use a chalk line to draw a line along the floor parallel to the lower edge of the roof from one end of the attic to the other on both sides. When using nails to joint truss members it is also necessary to use lumber plywood or oriented strand board osb to join the members. Cut the rafters from 2x4 piece of wood. The basics of the process are as follows.

This will be the rafters length. The engineer s recommendations were specific. Click here to get free fast bids from local structural engineers who can help you modify your trusses. This is why regular truss maintenance and repair is pertinent to the health of your roof.

Generally a roof truss is composed of triangular shapes for proper support of the roof. Sometimes structural screws are also used for truss repairs. If your roof has a. How to build roof trusses for a shed step 1.

On some roof trusses the 2 top chords extend down over the edges of the bottom chord creating a built in overhang. Begin by determining the measurements of the roof s slope. Repairing a roof truss often requires replacing or reinforcing wood in its construction. Measure the width of your roof trusses from inside to inside.

Inspect and assess the damaged section of timber and determine where it needs to be cut to prop the timber along it s length using suitably sturdy props such as acro props once supported cut off the damaged end leaving only solid un damaged timber now.