Roof Rafter Ties

Compare this with a similarly framed 12 12 roof that has similar loads.

Roof rafter ties.

Moving the rafter ties up only 16 inches from the plate the maximum allowed by code increases the tie force from 1 440 pounds to 2 160 pounds. With the first collar tie in place you will follow the same procedure. For pricing and availability. Nail one end of the tie into the rafter with 3 inch nails.

Simpson strong tie 6 in 18 gauge triple zinc steel rafter tie. Rafter ties prevent spreading. Simpson strong tie category roof truss and rafter connectors ties and straps for cold formed steel construction. In most homes the ceiling joists also serve as the rafter ties.

Rafter ties are always required unless the roof has a structural self supporting ridge or is built using engineered. Other facts about rafter ties. Step 4 continue installing collar ties. Contrary to popular belief collar ties are not there to support rafters or to keep walls.

Contrary to popular belief collar ties are not there to support rafters or to keep walls below from spreading under the weight of the roof. The tie force at the plate is 480 pounds and only 720 pounds when the ties are 4 feet up from the plate again the maximum allowed by code. Secure the opposite side in the same manner. Measure for each new collar tie.

This means that if you secure one end of the collar tie to the left side of a roof rafter you will nail it to the right side of the adjacent rafter. For pricing and availability. The tie will go from one side of a roof rafter to an adjacent rafter but on the opposite side.