Overview
The document provides a detailed description of two vertical closure systems designed by Corradi: Ermetika® Cristal XL and Diffusa ETK® XL. These systems are intended for protection against environmental elements and are suitable for closing large spaces.

Ermetika® Cristal XL
This vertical closure is designed to protect against humidity and withstand strong winds. It can remain open without tearing or breaking. The system can close spaces up to 5 meters wide using 100% Cristal fabric, eliminating the need for side bands.

Diffusa ETK® XL
Diffusa ETK® XL uses filtering and darkening fabrics to provide protection against the elements and light. It offers greater air permeability compared to Ermetika® Cristal XL and can also close spaces up to 5 meters wide.

Key Features

• Both systems are designed for large spaces up to 5 meters wide.
• Ermetika® Cristal XL focuses on humidity protection and wind resistance.
• Diffusa ETK® XL emphasizes light shielding and higher air permeability.