|
|
 |
Standard Sizes
North Country Slate is available in the following nominal thicknesses: |
| Standards |
3/16-1/4" |
650-800 lbs./square |
| Quarters |
1/4-3/8" |
800-1200
lbs./square |
| Heavies |
3/8-1/2" |
1200-1800 lbs./square |
| Extra Heavies |
1/2-3/4" |
1800-2500 lbs./square |
|
Thicker slates are available on special order allowing for the design
of a "one of a kind" roof.
|
| SCHEDULE OF STANDARD SIZES |
| |
Slate size |
Pieces per square |
Exposure |
| |
Inches |
at 3" headlap |
at 3" headlap
|
| |
24 x 12 |
115 |
10.5" |
| |
22 x 12 |
126 |
9.5" |
| |
22 x 11 |
137 |
" |
|
20 x 14 |
121 |
8.5" |
| |
20 x 12 |
141 |
" |
| |
20 x 11 |
154 |
" |
| |
20 x 10 |
170 |
" |
|
18 x 14 |
137 |
7.5" |
| |
18 x 12 |
160 |
" |
|
18 x 11 |
175 |
" |
| |
18 x 10 |
192 |
" |
| |
18 x 9 |
213 |
" |
|
16 x 14 |
158 |
6.5" |
| |
16 x 12 |
185 |
" |
|
16 x 11 |
201 |
" |
| |
16 x 10 |
222 |
" |
| |
16 x 9 |
246 |
" |
| |
16 x 8 |
277 |
" |
|
14 x 12 |
218 |
5.5" |
|
14 x 11 |
238 |
" |
| |
14 x 10 |
262 |
" |
|
14 x 9 |
291 |
" |
| |
14 x 8 |
327 |
" |
| |
14 x 7 |
374 |
" |
|
12 x 10 |
320 |
4.5" |
| |
12 x 8 |
400 |
" |
| |
12 x 6 |
534 |
" |
|
|
