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Roof Framing Drawings

6:12 mono-pitch · 2×8 rafters @ 16" OC · 16 rafters along 20'

Roof Framing Plan — Top View

ROOF EDGE (WITH OVERHANGS) BACK WALL LEDGER — 2×8×12' (×2) FRONT WALL DOUBLE TOP PLATE FASCIA 2×6 2×8 RAFTERS @ 16" OC (16 TOTAL) ▼ slope down to back wall (6:12) H2.5A TIE (BOTH ENDS) 20' - 0" 16" 6' - 0" 12" 16" 12"
Rafters: 2×8×10' cut to ~9'4" (6'8½" span + 16" front tail + 12" back tail) · 16 rafters @ 16" OC · End rafters at end walls; roof deck/trim extends 12" each side for rake overhang · Fascia: 2×6×8' at front eave (×3 boards for 22' with returns) · Ledger: 2×8×12' (×2) bolted to back wall top plate with ½"×4" lag screws @ 16" · H2.5A hurricane ties at every rafter — both ends

Rafter Detail — Side View (6:12 Pitch)

GRADE DBL TOP PLATE BACK WALL 10' - 0" LEDGER 2×8 FRONT WALL 13' - 0" 2×8 RAFTER SEAT CUT FASCIA 2×6 H2.5A TIE 6' - 0" RUN 3' - 0" RISE 16" 12 6 6:12 Rafter: 6'8½" span + 16" front tail = ≈ 8'3" · +12" back tail = ≈ 9'4" total · Cut from 2×8×10'
Seat cut (bird's mouth) at back wall ledger — notch rafter to bear flat on ledger · Plumb cut at front wall (vertical) and at both tail ends · Cut angle: 26.6° (6:12) · Test fit one rafter first before cutting all 16 · H2.5A hurricane ties at front wall plate and back ledger