| MK4 SPRING IDENTIFICATION CHART | |||||||
| APERTURE SIZES Width X Height | Steel Doors Type | ||||||
|
Horizon & 90 Elite |
Carlton & 90 Elite |
Georgian Elite |
Chevron Elite |
Parade White/Brown |
Salisbury Elite |
||
| Imperial | Metric | ||||||
| 6' 6" x 6' 3" | 1980 x 1905 | Strength 1 | Strength 1 | - | - | - | - |
| 6' 6" x 6' 6" | 1980 x 1980 | Strength 1 | Strength 1 | Strength 2 | Strength 1 | Strength 2 | - |
| 6' 6" x 7' 0" | 1980 x 2135 | Strength 2 | Strength 2 | Strength 4 | Strength 2 | - | - |
| 7' 0" x 6' 6" | 2135 x 1980 | Strength 1 | Strength 1 | Strength 4 | Strength 1 | Strength 4 | Strength 4 |
| 7' 0" x 7' 0" | 2135 x 2135 | Strength 2 | Strength 4 | Strength 7 | Strength 2 | Strength 5 | Strength 5 |
| 7' 3" x 6' 4" | 2220 x 1930 | Strength 1 | Strength 1 | - | - | Strength 4 | Strength 5 |
| 7' 5" x 6' 6" | 2260 x 1980 | Strength 1 | Strength 1 | Strength 4 | Strength 2 | Strength 5 | Strength 5 |
| 7' 5" x 7' 0" | 2260 x 2135 | Strength 1 | Strength 2 | Strength 4 | Strength 2 | Strength 5 | Strength 7 |
| 7' 6" x 6' 6" | 2286 x 1980 | Strength 4 | Strength 4 | Strength 7 | Strength 4 | Strength 5 | Strength 7 |
| 7' 6" x 7' 0" | 2286 x 2135 | Strength 4 | Strength 5 | Strength 7 | Strength 4 | Strength 5 | Strength 7 |
| 7' 8" x 6' 7" | 2348 x 2000 | Strength 2 | Strength 2 | Strength 5 | Strength 4 | Strength 5 | Strength 5 |
| 7' 8" x 7' 0" | 2348 x 2125 | Strength 5 | Strength 5 | Strength 7 | Strength 5 | Strength 7 | Strength 5 |
| 7' 10" x 6' 7" | 2400 x 2000 | Strength 2 | Strength 4 | Strength 5 | - | - | - |
| 7' 10" x 7' 0" | 2400 x 2125 | Strength 5 | Strength 5 | - | - | - | - |
| 8' 0" x 6' 6" | 2440 x 1980 | Strength 2 | Strength 4 | Strength 5 | - | Strength 5 | Strength 7 |
| 8' 0" x 7' 0" | 2440 x 2135 | Strength 5 | Strength 5 | Strength 7 | - | Strength 7 | Strength 7 |
| 8' 2" x 6' 7" | 2500 x 2000 | Strength 2 | Strength 4 | - | - | - | Strength 7 |
| 8' 2" x 7' 0" | 2500 x 2125 | Strength 5 | Strength 5 | - | - | - | Strength 7 |