FAKRO LWF Attic Ladder Installation

How to install the FAKRO LWF attic ladder. This is 43 minute fire-rated attic ladder that provides easy access to the attic while functioning as a blaze block in case of fire. The hatch is manufactured with the use of fire proof materials and is equipped with a gasket that expands under extreme heat. The LWF ladder is fire-rated at 30 minutes in accordance with NFPA 288 and 43 minutes in accordance with ASTM E119.