Creating an overhang on roof trusses involves attaching wooden extensions fastened to the tails of the trusses. Truss tails are the ends of the trusses that rest on the top plate of exterior walls. In order to properly create the overhang, wood extensions must be fastened to each truss tail in a uniform fashion, extending past the top wall plate the same distance at each end of the wall's length.
- Skill level:
Things you need
- 2 by 4s, 6 feet long
- 16-penny common nails
- Tape measure
Mark each 2 by 4 on the face with a pencil at 24 inches from the end to make a 24-inch overhang.
Start one 16-penny nail on the mark of each 2 by 4 with the hammer, leaving approximately 2 inches of the nail head end exposed. These nails will act as a gauge for installation on the trusses.
Set up the ladder on one end of the exterior side of the wall.
Place one 2 by 4 against the side of the truss's top chord and slide the 2 by 4 up until the nail touches the end of the truss, leaving 24 inches extending past the truss end. The top chord is the uppermost angled truss member that the sheathing and shingles are fastened to.
Nail the 2 by 4 into the side of the truss with the 16-penny common nails, spacing the nails in a staggered pattern approximately every 8 inches by alternating nails in the top of the 2 by 4 to the bottom of it.
Continue this process for every roof truss.
Tips and warnings
- Wear eye protection when driving nails with the hammer.
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