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Technishield Facade is a thermally-insulated curtain wall system of mullion and transom construction, using a dry glazing system. In the standard version, mullions (vertical frame elements) 45mm wide x 110mm deep and transoms (horizontal frame elements) 45mm high x 90mm deep are used; more robust 60mm wide mullions are available as are less deep mullions & transoms. The system is available with different fire ratings from EI30 to EI120, the glazing thickness and type varying according to the fire rating. The framework is constructed from powder-coated mild steel profiles.