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EXTRA VALUE
FEATURES |
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Protection from the
elements for the life of the building. |
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Natural beauty and
lustre that will not fade. |
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No costly repairs. |
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No ultimate replacement. |
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Higher resale
advantages. |
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Higher salvage value. |
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Can be matched after any
length of time. |
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Fire protection. |
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Insurance and loan
advantages. |
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Lowest average
absorption of any slate in America. |
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Highest resistance to
acids of any slate in America. |
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SCHEDULE OF STANDARD ROOFING SIZES
Standard thickness 3/16 inch; Other
thicknesses available. |
| Sizes of
slate, in. |
No. in
each sq. |
Exposed
when laid 3 in. lap |
Approximate nails needed per square. |
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LBS. |
OZS. |
| 24x16 |
86 |
10-1/2
in. |
1 |
0 |
| 24x14 |
98 |
10-1/2
in. |
1 |
2 |
| 24x13 |
106 |
10-1/2
in. |
1 |
3 |
| 24x11 |
125 |
10-1/2
in. |
1 |
7 |
| 24x12 |
114 |
10-1/2
in. |
1 |
5 |
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| 22x14 |
108 |
9-1/2 in. |
1 |
4 |
| 22x13 |
117 |
9-1/2 in. |
1 |
5 |
| 22x12 |
126 |
9-1/2 in. |
1 |
7 |
| 22x11 |
138 |
9-1/2 in. |
1 |
9 |
| 22x10 |
152 |
9-1/2 in. |
1 |
12 |
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| 20x14 |
121 |
8-1/2 in. |
1 |
6 |
| 20x13 |
132 |
8-1/2 in. |
1 |
8 |
| 20x12 |
141 |
8-1/2 in. |
1 |
10 |
| 20x11 |
154 |
8-1/2 in. |
1 |
12 |
| 20x10 |
170 |
8-1/2 in. |
1 |
15 |
| 20x 9 |
189 |
8-1/2 in. |
2 |
3 |
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| 18x14 |
137 |
7-1/2 in. |
1 |
9 |
| 18x13 |
148 |
7-1/2 in. |
1 |
11 |
| 18x12 |
160 |
7-1/2 in. |
1 |
13 |
| 18x11 |
175 |
7-1/2 in. |
2 |
0 |
| 18x10 |
192 |
7-1/2 in. |
2 |
3 |
| 18x 9 |
213 |
7-1/2 in. |
2 |
7 |
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| 16x14 |
160 |
6-1/2 in. |
1 |
13 |
| 16x12 |
184 |
6-1/2 in. |
2 |
2 |
| 16x11 |
201 |
6-1/2 in. |
2 |
5 |
| 16x10 |
222 |
6-1/2 in. |
2 |
8 |
| 16x 9 |
246 |
6-1/2 in. |
2 |
13 |
| 16x 8 |
277 |
6-1/2 in. |
3 |
2 |
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| 14x12 |
218 |
5-1/2 in. |
2 |
8 |
| 14x11 |
239 |
5-1/2 in. |
2 |
11 |
| 14x10 |
261 |
5-1/2 in. |
3 |
3 |
| 14x 9 |
291 |
5-1/2 in. |
3 |
5 |
| 14x 8 |
327 |
5-1/2 in. |
3 |
12 |
| 14x 7 |
374 |
5-1/2 in. |
4 |
4 |
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| 12x10 |
320 |
4-1/2 in. |
3 |
10 |
| 12x 9 |
355 |
4-1/2 in. |
4 |
1 |
| 12x 8 |
400 |
4-1/2 in. |
4 |
9 |
| 12x 7 |
457 |
4-1/2 in. |
5 |
3 |
| 12x 6 |
533 |
4-1/2 in. |
6 |
1 |
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| 10x 8 |
515 |
3 1/2 in. |
5 |
14 |
| 10x 7 |
588 |
3 1/2 in. |
7 |
4 |
| 10x 6 |
686 |
3 1/2 in. |
7 |
13 |
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