Standard type Roof Access Hatches are available as single leaf, double leaf or multi leaf doors.
Designed with weatherproofing in mind comprising a double skinned insulated aluminium lid construction filled with CFC and HCFC free insulation with a U-Value of 0.78 W/m2k to BS3958: Part 5: 1986. This offers a high level of thermal insulation against condensation and heat loss together with excellent sound absorption properties.
Roof hatches have a 200mm upstand as standard but ANY SIZE can be manufactured uponrequest
Hatches are fitted with gas spring assisted opening, together with a safety hold open stay which helps to prevent against accidental closure. Heavy duty aluminium hinges are fitted as standard to support the lid. The lid features an integral wrap over edge and neoprene seal ensuring full weather protection.
A stainless steel cab lock is used to hold the lid closed which can be opened from the inside only (other locking options are available).
The Roofdor access hatches are available as Non Fire Rated, 1, 2 or 3 Hour Fire Resistance for integrity to BS476: Parts 21 and 22: 1987
GWP (Global Warming Potential) of 3 ODP (Ozone Depletion Potential) of 0
Hatches can be manufactured from Stainless Steel (Grade 304 or 316) - Ideal for coastal areas |