Energy-saving entry door

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NC 75 STH Porte


Energy-saving entry door

The METRA entrance doors are stylishly in tune with each context and withstand all weather conditions. The system NC 75 STH for doors ensures excellent performance thanks to a great thermal and acoustic insulation. There are available many exciting surface finishes, colors and effects, a wide range of shapes to associate with the glass sheets and the stylish design of the original accessories.

Further details

• Maximum thermal insulation
• Maximum acoustic insulation
• No draughts
• No architectural barriers
• Unalterable and long lasting
• Burglar-proof security
• Thin hinges which give to the door a pleasant and elegant look
• Panel with high thermal and acoustic insulation, provided with an elastic joint suitable to solve the problem of the “Bi-metal-effekt” even in conditions of remarkable exposure to the sun
• Plugging or crimping corner cleats with injection of glue
• Wide range of mechanical and electric locks (automatic locking) with relevant catches, even adjustable
• Easy maintenance
• Maximum opening.


• Doors for private houses and public buildings
• Combination with curtain walls systems.



Technical features

Basic dimensions:

75 to 85 mm

Air-water-wind tightness:

Rabbet double gasket

Glass thickness:

14 to 58 mm

Aesthetic lines:

Piana, Sagomata.

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