GRADES

Number 1 Grade: Clear Heartwood, 100% Edge Grain, No defects Number 2 Grade: Clear face from butt end, 11" on 18 inch shingles and 16" on 24 inch shingles, Limited sapwood and flat grain, Limited knots and defects above clear portion Number 3 Grade: Clear face from butt end, 6" on 18 inch shingles and 10" on 24 inch shingles, Unlimited sapwood and flat grain, Limited knots and defects above clear portion allowed, Tight knots and defects allowed in upper half

LENGTHS

24 inch Royals 18 inch Perfections 16 inch 5X

THICKNESS

0.5 inch Royals 0.45 inch Perfections 0.4 inch 5X

WIDTH

Random 4 inch minimum (3 inch on Number 3 Grades) 14 inch maximum

ROOF PITCH

3:12 minimum