Patterns

Builder 3&2 Volume 02 - Construction manual for building structures
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Figure 4-7.-Cable-end finish (material transition). or similar molding should be used (fig. 4-7). Flashing should be used over and above the drip cap so that moisture cannot enter this transition area. PATTERNS Wood shingles and shakes are applied in a single- or double-course pattern. They maybe used over wood or plywood sheathing. When sheathing with 3/8-inch plywood, use threaded nails. For nonwood sheathing, 1-by 3-inch or 1- by 4-inch wood nailing strips are used as a base. In the single-course method, one course is simply laid over the other as lap siding is applied. The shingles can be second grade because only one-half or less of the butt portion is exposed (fig. 4-8). Shingles should not be soaked before application but should usually be laid with about 1/8- to 1/4-inch space between adjacent shingles to allow for expansion during rainy weather. When a siding effect is desired, shingles should be laid so that they are in contact, but only lightly. Pre-stained or treated shingles provide the best results. In a double-course system, the undercourse is applied over the wall, and the top course is nailed directly over a 1/4-to 1/2-inch projection of the butt (fig. 4-9). The first course should be nailed only enough to hold it in place while the outer course is being applied. Figure 4-8.-Single coursing of sidewalls (wood shingles and shakes). Figure 4-9.-Double coursing of side walls (wood shingles and shakes). The first shingles can be a lower quality. Because much of the shingle length is exposed, the top course should be first-grade shingles. Shingles and shakes should be applied with rust-resistant nails long enough to penetrate into the 4-8

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