Curtain walls Casement windows and doors Aluminium-wood windows and doors Sliding windows and doors Internal doors NC 50 I and doors Casement windows Systems for balconies Verandas Shading systems Photovoltaic application Accessories and design complements METRA S.p.A. Via Stacca,1 - 25050 Rodengo Saiano (BS) Italy Tel. +39 030 6819.1 - Fax +39 030 6810363 [email protected] - www.metra.it METRA uses ecological paper for its documentation and low environmental impact printing products. METRA Documentation Brochure NC 50 I - English Edition: 10/2013

Certified performances Casement windows and doors The METRA window or door has not had any seepage of water even with a wind pressure equal to a speed of 111,54 km/h (600Pa). Air pressure applied km/h Class achieved Capacity of the window or door to block seepage of water when it is struck by a water flow and there is a pressure difference between the internal and external side. Air permeability EN 1026 - EN 12207 The METRA window or door was subjected to a wind pressure equal to a speed of 125 km/h (750Pa) and passed the test with positive results. The NC 50 I system is recommended for both...

Capacity of the window or door to block seepage of water when it is struck by a water flow and there is a pressure difference between the internal and external side. Water tightness en 1027 - en 12208 The METRA window or door has not had any seepage of water even with a wind pressure equal to a speed of 111,54 km/h (600Pa). Air pressure applied km/h Class achieved Air permeability en 1026 - en 12207 The METRA window or door was subjected to a wind pressure equal to a speed of 125 km/h (750Pa) and passed the test with positive results. Air pressure applied Class achieved Characteristic of a closed...

Curtain walls Casement windows and doors Aluminium-wood windows and doors Sliding windows and doors Internal doors NC 50 I and doors Casement windows Systems for balconies Verandas Shading systems Photovoltaic application Accessories and design complements METRA S.p.A. Via Stacca,1 - 25050 Rodengo Saiano (BS) Italy Tel. +39 030 6819.1 - Fax +39 030 6810363 [email protected] - www.metra.it METRA uses ecological paper for its documentation and low environmental impact printing products. METRA Documentation Brochure NC 50 I - English Edition: 10/2013