Setting Out A Roof

Roof trusses arrive at the jobsite on the bed of a large truck.

Setting out a roof.

Every step of the truss installation follows explicit instructions from the manufacturer. Pitch is the amount of angle or slope the roof has. Attach 4 6 centering rafters and lift the ridge beam into place. Use a pencil to jot the width down somewhere.

Because the trusses are heavy and. A framing square is traditionally used for laying out the roof and determining pitch. How to set roof trusses diagram and layout. This is denoted two ways a 1 3 or 1 4 pitch in fractions and a 6 12 pitch in inches which means the roof rises 6 inches for each 12 inches of run.

The first step in the process of erecting the hip roof is to get the ridge beam into place at the top of the roof. Measure as precisely as possible down to the 1 4 inch 0 64 cm 1 8 inch 0 32 cm or 1 16 inch 0 16 cm. Write on a spare sheet of paper or a section of exposed wood.