The access panel BMW EI 90/120 model is composed of aluminum profiles with 40 mm GKF coated plasterboard. The two frames of the panel consist of four profiles solidly welded to each other by a special TIG welding process with the addition of a coated gypsum frame on the outer frame and a profiled fire-retardant gasket. The panel is supplied with two or more safety chains with snap hooks to be re-attached after each opening in order to avoid accidents. A gap of 1.75 mm is left between the frame and the panel and is fitted with a profiled expanding fireproof seal. The invisible snap locks open the access panel with a simple pressure. Application: In masonry walls with fire resistance EI90/EI120. The access panel is tested up to the size H 1500x L 1000 mm with bilateral certificate. Dimensions: Customized sizes can be produced in every dimension upon enquiry. Locks: Possibility of inserting locks behind technical consultation.