Tablilla de madera ignífuga para revestimiento de fachada
CanKor Resources Inc.
Grades Number 1 Grade; clear heartwood, 100% edge grain, no defects
Number 2 Grade; clear face from butt end - 11" on 18" shingles and 16" on 24" shingles, limited sapwood and flat grain, limited knots and defects above clear portion.
Number 3 Grade; clear face from butt end - 6" on 18" shingles and 10" on 24" shingles, unlimited sapwood and flat grain, limited knots and defects above clear portion.
Lengths: 24" Royals, 18" Perfections
Thickness: 0.5" Royals, 0.45" Perfections
Width: Random, 4" minimum, (3" on number 3 grades). 14" maximum
Roof Pitch: 3:12 minimum
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