Curtain walls Casement windows and doors Aluminium-wood windows and doors Sliding windows and doors Internal doors and partition walls NC 50 STHdoors Casement windows and Systems for balconies Verandas Shading systems Photovoltaic applications 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 STH - English Edition: 12/2013

Certified performances Casement windows and doors 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 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 111,54 Km/h (600Pa) and passed the test with positive results. Air pressure...

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. The METRA window or door was subjected to a wind pressure equal to a speed of 111,54 Km/h (600Pa) and passed the test with positive results. Air pressure applied Class achieved Characteristic of a closed vent to let air pass through when the internal and external pressures...

Curtain walls Casement windows and doors Aluminium-wood windows and doors Sliding windows and doors Internal doors NC 50 STHdoors Casement windows and Systems for balconies Verandas Shading systems Photovoltaic applications 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 STH - English Edition: 12/2013