Setting Out A Roof

How to set roof trusses diagram and layout.

Setting out a roof.

Roof trusses arrive at the jobsite on the bed of a large truck. Write on a spare sheet of paper or a section of exposed wood. 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. Because the trusses are heavy and.

Pitch is the amount of angle or slope the roof has. Place the 4 6 common rafters in their designated positions along the 2 longest walls and nail them firmly to the wall with a nail gun. 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. Every step of the truss installation follows explicit instructions from the manufacturer.

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. Attach 4 6 centering rafters and lift the ridge beam into place. Use a pencil to jot the width down somewhere.