0027 Cedar Shingle over Plywood Sheathing - Roofing - Wood Shingles Shakes -

Image Text: Exposure Table: #1 grade shingles > roof slope > 4/12 and up > shingle length 16 inches, 18 inches, 24 inches > 5 inches > 5.5 inches > 7.5 inches > plywood roof sheathing > eave protection (at least 36 inches up roof) > for nailing and shingle placement details, see cedar shingles - nailing details illustration > exposure (see table above) > doubled up first course > 1-.5 inches overhang at eaves and edges