| MATERIALS: | Die cast aluminium alloy with insulated wooden trapdoor. Aluminium non-slip treads. |
| OPERATION: | Counter balanced springs are incorporated into the pivot bracket for easy opening. Spring latch locked with operating pole. |
| LINING: | The timber surround is 19mm thick and 240mm high. |
| TRAP DOOR: | 62mm insulated sandwich trapdoor underside finished in white. |
| TREADS: | Standard tread width is 350mm by 140mm depth. Alternate sizes are also available upon request. |
| FIRE RATED: | Available 30 minutes or 90 minutes fire rated. This option has 1.5mm steel frame and two 1.5mm sheet steel trapdoor. Infilled with 38mm or 75mm mineral wool depending on fire rating requirement. |
| LOADING: | 200kg per tread. 500kg/m2 overall structure. |
| OPTIONS: | See options tab for more information about optional features. |
