For outdoor use. Made of extruded aluminum, both the frame and aperture cover feature a lid that can be easily opened using a lifting key. Compatible with tiles for lids 40 mm and 60 mm high. Suitable for tiles and pavers with lids 80 mm and 100 mm high. The base consists of a 3 mm galvanized steel plate. The lid is airtight and waterproof, featuring an EPDM seal at the bottom and a rubber T seal along the edge to prevent dirt accumulation between the frame and lid. Capable of handling loads up to 20 kN with at least 4 cm of concrete filling.