Insect nets are the solution to prevent insects from entering the house.
One type of insect netting is pleated netting.

Features:

– it is mounted on the outside of the case
– they can reach very large sizes
– they can be manufactured with a single leaf or with 2 leaves
– it is operated horizontally, from left to right or from right to left
– the frame is made of aluminum painted in an electrostatic field, in standard colors white RAL 9016 or brown RAL 8014. On request, they can be painted in other colors
– the net is made of fireproof carbon fiber