Yes. It is a special weave of the screen material, usually fiberglass here in US, that blocks 80% of the sunlight, keeps the insects out and still allows air to flow through if wanted.
View attachment 232819
Here are the specs
Unit 1: Unit Type = Complete Unit, Frame Type = Insulated, Operation /
Venting = Hinge Left, Full-Frame NFRC U-Factor = 0.17, Full-Frame
NFRC SHGC = 0.17
Unit 2: Unit Type = Complete Unit, Frame Type = Insulated, Operation /
Venting = Hinge Right, Full-Frame NFRC U-Factor = 0.17, Full-Frame
NFRC SHGC = 0.17
Exterior Color = Black Foil, Interior Color/Material Type = Black Foil
Insect Screen = Supplied, Screen = Charcoal Fiberglass
Tyrol Hinge Type = Concealed Hinge, Hardware Style = Serac, Location
= Side, Limiter = No, Hardware Color = Black
Glass Type = SolarControl-6, Spacer Color = Silver, Glass Strength =
Annealed, Glass Thickness = Double Strength, Breather Tubes Required
= Yes
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SolarControl-6 glass is:
This was their cheapest serie. They have a -7 and -9 which are better and much pricier