Flat Roof Deck Mounted Roof Access Hatch - 36" x 36" - Includes insulated multi-chamber PVC curb and gas springs - Anti-slip tape on the base ensures safe access to the flat roof - The sash can be opened up to 60 degrees - Intended for roofs with pitches between 0 degree and 5 degree - Can be mounted on an additional XRD base with a height of 5.9", for installation in green and living roofs - Option to install an additional ZBR lock which protects against accidental closure of the sash - Recommended in combination with the LML attic ladder of the same size - The Flat Roof Metal Hatch is an insulated metal hatch for accessing a flat roof - It can be combined with the LML wide-step metal attic ladder or any FAKRO attic ladder for ease of access - The piston-assisted hatch stays open at a 60-degree angle while anti-slip covers on the frame ensure safe footing