Brace Attic Trusses

See product data sheet no 3 for more information.

Brace attic trusses. This is done by plumbing the truss and securing as described above for the first gable end. Brace other rafters as they are installed down the roof by nailing temporary 2 by 4 supports to rafter edges and to roof joists if rafters are being installed separately. Nail them to the rafters and angle nail the center support to the top edge of the horizontal brace. Use a t brace to support the truss vertically.

Use a hammer to knock the bottom end loose. Nail these temporarily to the outside edges of the rafter sides starting with the third truss. In from the gable end and brace it to the deck. Then work away from the braced end filling in the open 8 to 12 ft.

Bracing the second gable end is advisable. To strengthen the roof system truss clustering cross bracing and wind bracing is recommended at both end of the buildings and every 20 for longer span buildings. The remainder of the trusses should. Alternatively start the first truss 8 to 12 ft.

Install 2x4s at a 45 degree angle. Purlins 24 oc are typical along with the bottom bracing shown. The help of a second or third person is necessary even to lift a truss onto a single story roof. Cut a 2 by 4 to fit horizontally from rafter to rafter on each truss.

Use 1 by 4 inch boards called purlins as temporary braces for rafter trusses. It is best to brace the inside of the trusses before handling them. The functions of roof bracing roof bracing performs three distinct functions. Temporary bracing this is used to restrain the trusses during erection.

Trusses form the roof line on buildings and provide support for the lumber that holds shingles or other form of roof cover. This can be done by bracing from the floor deck as shown below. Start several trusses in. Section last after permanently bracing the rest of the trusses.

Begin with the second gable end truss and work back towards the first gable end. Without bracing it is almost impossible to install trusses. Step 2 lift trusses onto roof. Cut the ends to the same angle you used for the pony wall studs.

Some bracing provides a way to put up the trusses evenly while holding them and other bracing supports them after they are put up. Cut any diagonal braces in the truss with a reciprocating saw.