NC 75 STH / STH-i
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Certified performances The METRA window or door has not had any seepage of water even with a wind pressure equal to a speed of111,54 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 111,54 Km/h (600Pa) and passed the test with positive results Air pressure applied Class achieved Resistance to wind load EN 12211 - EN 12210 The METRA window or door was subjected to a wind pressure equal to a speed of 182,14 Km/h (2000Pa) and passed the test without damage or permanent deformations. Air pressure applied With deflection 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. Characteristic of a closed vent to let air pass through when the internal and external pressures are mutually different; the smaller the volume dispersed, the greater the window or door quality. Capacity of a window or door subjected to high pressure and/or suction, such as those caused by wind, to remain within admissible deformation limits and to conserve its initial properties so as to ensure protection and safety to the users. NC 75 STHdoors NC 75 STH-i Casement windows and Curtain walls Casement windows and doors Aluminium-wood windows and doors Sliding windows and doors Internal doors Soundproofing power EN ISO 140-3, EN ISO 717-1 Capacity of a window and door to attenuate external noise. METRA windows and doors are able to cut out airborne noise from the outside up to 43dB. Systems for balconies Verandas Thermal transmittance The heat transmission rate U is the heat flow which goes through the window or door according to m² of surface and for each degree of difference in temperature between exterior and interior. The unit of thermic transmission measurement is W/m²K. * Single casement window 1230 x 1480 mm; vetro: Ug=0.6 W/m2K, psi=0.05 W/m K Burglar resistance EN 1627 - EN 1630 METRA windows and doors effectively resist intruders attempting to get inside. Resistance class Shading systems Photovoltaic applications Accessories and design complements Finishes and coatings Capacity of a window and door to resist a violent intrusion attempt following application of a physical force with the help of tools. The METRA window and door comply with the energy saving standards. Operating forces EN 13115 METRA windows and doors enable easy opening with minimum effort. Class 0 Class achieved Mechanical resistance EN 12046 - EN 13115 METRA windows and doors resist applied loads without twisting, permanent deformation or breakage. Class achieved Class 2 Classe 3 Class 4 Resistance to repeated opening and closing cycles EN1191 - EN 12400 METRA windows and doors effectively resist repeated opening and closing cycles over time (110,000 opeWindows and doors Doors only nings). 0 1 3 4 5 6 7 8 2 Class achieved/No.cycles 5000 10000 20000 50000 100000 200000 500000 1000000 Impact resistance (TEST METHOD WITH A HARD BODY) EN 13049 METRA windows and doors effectively resist impact. Drop height Class achieved Capacity of a window and door to enable easy opening with minmum effort. Capacity of a window and door to resist applied loads without breaking, with no permanent deformation or twisting that could impair their correct functioning. Capacity of a window and door to resist repeated opening and closing cycles over time. Capacity of a window and door to withstand involuntary or accidental impact. METRA S.p.A. Via Stacca,1 - 25050 Rodengo Saiano (BS) Italy Tel. +39 030 6819.1 - Fax +39 030 6810363 servizioclienti@metra.it - www.metra.it ONLY METRA OFFERS A COMPLETE RANGE OF PRODUCT We are at your side during each phase with our pre-sale and follow-up customer service: from choosing to installing your frames, from cleaning advice to the traceability of your frames’ history. So many finishes, all extremely sturdy and chromatically surprising! From metallic colours to sand effects … right up to natural wood cladding with an aluminium heart. METRA’s window and door frames make up a wide range of aesthetic lines which add value to traditional and contemporary living spaces and preserve their original characteristics of buildings in conservative restorations. Our most contemporary creations provide more light to living spaces due to their tapered shapes and the minimum thickness of the profiles. Aluminium is becoming ever present in our lives: from cans to high-speed trains. Aesthetically pleasing, malleable, extremely resistant and 100% recyclable. Aluminium is the ideal material for the creation of window and door frames. METRA uses ecological paper for its documentation and low environmental impact printing products. METRA Documentation Brochure NC 75 STH NC 75 STH-i - English Edition: 10/2013 METRA’s design complements are offered in a range of coordinated lines distinguished by a unique style which are able to satisfy and harmonise the aesthetic requirements of any type of living space. METRA operates at a low environmental impact and all its products are Green at the utmost degree. People can enter METRA franchises with a dream and make it com

Certified performances The METRA window or door has not had any seepage of water even with a wind pressure equal to a speed of111,54 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 111,54 Km/h (600Pa) and passed the test with positive results Air pressure applied Class achieved Resistance to wind load EN 12211 - EN 12210 The METRA window or door was subjected to a wind pressure equal to a speed of 182,14 Km/h (2000Pa) and passed the test without damage or permanent...

Casement windows and doors Technical features Base dimensions: from 75 to 95 mm Air-water tightness: open joint (windows and casement doors) Glass thickness: from 14 to 68 mm Aesthetic lines: Piana, Sagomata, Raggiata, Scomparsa, Classica Wide range of finishes Easy maintenance High-level design Various opening typologies Minimal amount of space Maximum thermal insulation - with the profile NC 75 STH-i the insulation can be increased • Maximum acoustic insulation METRA Quality Top energy saving and thermal insulation performance. NC 75 STH is the ideal system for living spaces of...