Home Customer service Client FAQFAQAbout the products +What does a roof hatch cost? How big does the roof opening need to be? Do I mount the roof access hatch on or in the roof opening? What if the roof insulation is thicker than 250 mm? Is condensation a problem for roof access hatches with a window? Can I fit my own lock cylinder in the closure? Does the cover open to the left or right? What does a roof access hatch weigh? What is the maximum roof pitch? Can a roof hatch be an electric roof panel? Installation loft hatch Does any construction work need to be carried out before the roof access hatch is installed? How can the risk of falling be avoided? How long is the guarantee on roof access hatches? Can the roof access hatch be opened from the outside? What are the maximum measurements of a roof access hatch? What is the roof access hatch made of? How far should the roof access hatch extend beyond the roof insulation and roofing? Is there a CE marking for roof access hatches? Can a roof access hatch be used as an official escape route? What is a roof access hatch's maximum load-bearing capacity? Can a roof access hatch fall shut? About Staka +Where does the name Staka come from?