FLIP FLAP DOOR

Two plate sheets (polyester, PVC, plastisol, CrNi) 40 + -2 density polyurethane between  the door frame is formed from aluminum injection into the bloodstream.Wing thickness is 40 mm, can also be turned 180 degrees in either direction.

If desired, it can be left on continuously.

One can also biplane wings can be realized.

Window can be added to  wings optionally.

It can be panel or wall mounting.

Cases are made of aluminum profile.