Setting Out A 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.

Setting out a roof.

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. Setting the first trusses. Attach 4 6 centering rafters and lift the ridge beam into place. For example the width of the building may be 72 75 inches 184 8 cm.

Because the trusses are heavy and. 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. How to set roof trusses diagram and layout. Roof trusses arrive at the jobsite on the bed of a large truck.

A framing square is traditionally used for laying out the roof and determining pitch. 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. Write on a spare sheet of paper or a section of exposed wood.