Roof Rafter Ties

Other facts about rafter ties.

Roof rafter ties.

Secure the opposite side in the same manner. Nail one end of the tie into the rafter with 3 inch nails. For pricing and availability. 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.

Compare this with a similarly framed 12 12 roof that has similar loads. 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. Simpson strong tie category roof truss and rafter connectors ties and straps for cold formed steel construction. Measure for each new collar tie.

For pricing and availability. Step 4 continue installing collar ties. Contrary to popular belief collar ties are not there to support rafters or to keep walls. Simpson strong tie 6 in 18 gauge triple zinc steel rafter 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. Rafter ties are always required unless the roof has a structural self supporting ridge or is built using engineered. Rafter ties prevent spreading. Where rafters are oriented perpendicular to the ceiling joists rafter ties should.

Simpson strong tie 5 2 7 in 18 gauge triple zinc steel rafter tie. Collar ties prevent uplift. The tie will go from one side of a roof rafter to an adjacent rafter but on the opposite side.