
2. CAPABLE roofer
3. Unfading or weathering slate
4. Oxidizable iron pyrite
5. Grading for thickness
6. Over / Under-nailing
7. Joint spacing
8. Headlap
9. Slates cut less than 5 inches wide
10. Minimum side lap of 3 inches
2. CAPABLE roofer
3. Unfading or weathering slate
4. Oxidizable iron pyrite
5. Grading for thickness
6. Over / Under-nailing
7. Joint spacing
8. Headlap
9. Slates cut less than 5 inches wide
10. Minimum side lap of 3 inches