No. 1 Blue Label Shingles:
#1 grade is the premium grade for shingles. These shingles are 100%
heartwood, 100% edge grain with no defects.
No. 2 Red Label Shingles:
#2 grade allows for flat grain and limited sapwood. The face must be 10"
(250mm) clear on 16" shingles, 11" (275mm) clear on 18" shingles and 16"
(405mm) clear on 24" shingles.
| Walls | Roof pitch>4:12 | Roof pitch<4:12 | Butt Thickness | |
| #1 5X | 7 1/2"(190mm) | 5" (125mm) | 4" (100mm) | 5/2" |
| #2 5X | 7 1/2" (190mm) | 4" (100mm) | 3 1/2" (90mm) | 5/2" |
| #1 Perfection | 8 1/2" (210mm) | 5 1/2" (140mm) | 4 1/4" (105mm) | 5/2 1/4" |
| #2 Perfection | 8 1/2" (210mm) | 4 1/2" (115mm) | 4" (100mm) | 5/2 1/4" |
| #1 Royal | 11 1/2" (290mm) | 7 1/2" (190mm) | 5 3/4" (145mm) | 4/2 |
| #2 Royal | 11 1/2" (290mm) | 6 1/2" (165mm) | 5 1/2" (140mm) | 4/2 |

