How To Repair Attic Truss

To keep the plywood from cupping under the load 2x4 squash blocks were to be inserted between the top and bottom chords.

How to repair attic truss.

To reinforce the ends of the trusses 3 4 inch plywood gussets were to be attached to both sides of each truss with 10d nails 3 inches on center on all chords. The repair and modification of metal plate connected wood trusses can be a very. Truss repairs can be quite easy. The basics of the process are as follows.

Make sure that you use construction wood screws and not 16 penny nails because the latter ones will cause greater damage due to the jolts caused when hammering the nails. Trusses are the major engineered wood component used today with 63 7 market share for roof trusses and 31 7 market share for floor trusses. Standard repair detail to replace a missing stud on a gable truss. Place the second board or plate to the other side of the truss and fix it in the same way.

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. If a part of a truss has been cut out then replacing the board or piece cut out is generally not to hard or expensive. Use the wood screws and screw gun to securely attach the new piece to the truss itself. Standard repair detail to pad top chord to match roof plane 2 1 2 minimum download.

Standard repair detail to pad top chord to match roof plane 2 1 2 minimum mii rep11. For typical roof trusses used in light frame construction bolts are usually not used because of spacing requirements. When working in tight and cramped quarters in the attic be careful where you step. If a board is cracked then placing a similar board on each side of the broken one and bolting or nailing the three together may correct the issue.

Sometimes structural screws are also used for truss repairs. Trusses come in different lumber widths 2 by 6 or 2 by 8. 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 two pieces of lumber 4.