The flexible hinged door or flap door is the so easy and cheap ideal solution for isolating different rooms within a building, still providing a smooth transit of trucks and people.
The PVC, with which the leaf is built, being a flexible material, avoids the strong blows and does not deform itself even at low temperatures. The opening can be manually and pneumatically assisted. The opening force is adjustable by means of a torsion spring.
The standard galvanized steel metal frame can be finished in RAL or stainless steel 304 and 316.