| Grades |
Number 1 Grade:
clear heartwood, 100% edge grain, no defects
Number 2 Grade:
clear face from butt end - 11 inches on 18-inch shingles, limited sapwood and flat grain, limited knots and defects above clear portion
Number 3 Grade:
clear face from butt end - 6 inches on 18-inch shingles, limited sapwood and flat grain, limited knots and defects above clear portion |
|
| Length |
18-inch (455 mm) |
| Width |
Random, 4-inch (100 mm) minimum, (with 10% 3-inch & wider),
(3-inch, 75 mm on Number 3 Grades),
14-inch (350 mm) maximum |
| Roof-Pitch |
4:12 minimum
(lower slopes require special application) |
| Exposure |
|
| |
18 Inch Perfections |
| Pitch |
#1
Blue Label |
#2
Red Label |
#3
Black Label |
| 3:12 |
4 1/4"
105 mm |
4"
100 mm |
3 1/2"
90 mm |
| 4:12 or > |
5 1/2"
140 mm |
4 1/2"
115 mm |
4"
100 mm |
| Walls |
8 1/2"
210 mm |
8 1/2"
210 mm |
6"
150 mm |
|
| |
20 - 25 Year Warranty through Shake & Shingle Bureau
Fire Retardant Option Available
C.C.A. Rot Treatment for Shingles |
| |
