Anchoring the roof to the walls

Structure · Rafters, Roof Joists and Ceiling Joists · printed page 74 (PDF page 75)

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Book index entries

Anchoring Roofs to Walls Roof/Wall Anchoring Wall/Roof Anchoring

Text in the illustration

roof rafter
ceiling joist
anchor bolt (1/2" dia.)
note: anchor bolts should be on 6 to 8 foot centers
3-1/2"
wood sill (rafter plate)
masonry wall
rafter, top plate and ceiling joist nailed together
double top plate
wall stud
wood frame wall

Generated explanation

Two sectional details illustrate roof-to-wall anchoring at masonry and wood-frame walls. In the masonry detail, a roof rafter and ceiling joist meet above a wood sill (rafter plate), which is secured to the masonry with an anchor bolt. The bolt is labeled as 1/2 inch in diameter, with spacing of 6 to 8 feet on center, and a 3-1/2-inch vertical dimension is shown beside the upper masonry. In the wood-frame detail, the rafter and ceiling joist meet over a double top plate supported by a wall stud. An annotation specifies that the rafter, top plate, and ceiling joist are nailed together.

Components

roof rafter ceiling joist wood sill (rafter plate)anchor bolt masonry wall double top plate wall stud nails

Materials

wood masonry mortar metal fasteners