Roof coverings
Cedar shingles & shakes: A comprehensive guide for sustainable roofing & siding
...Certi-label' grading system. These grades ensure quality and consistency:
No. 1 Grade ('Blue Label')
This is the highest quality grade. It indicates 100% clear, 100% edge grain, and 100% heartwood material. No. 1 grade shingles and shakes are free from defects like knots, sapwood, and rot, offering maximum durability...
