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Wooden frame of section mm. 67 x 61 (mm. 85 x 61 for “ZETA” type) +
coating thickness of mm. 19. Shutters of wooden section mm. 85 x 66 + aluminium coating thickness of mm. 21 (total
average thickness mm. 85 x 87). Triple rubber packing (two on the shutter and one on
the frame), double glazing 4/15/4 with
low emissivity treatment and gas ARGON in the gap (Ug=1.1 W/m² K) included.
Frame's lower cross-bar of wood+aluminium both window and French-doors; French-doors shutter with a single lower cross-bar (sliding windows and opening towards the outside with two lower cross-bars).
Fastening of the Gretsch-Unitas (G.U.) and embedded hinge for rotation opening. Brass handle “Hoppe Siena” or chromo-satined handle (for SferaClass “Hoppe Sidney”). Inside cover framing for three slides of section 46 x 14 mm. Painting of wood and aluminium as our color table.
Border frame predisposed for fitting-up with “rapid-block”. The painting is composed of water-soluble resins with a low environmental impact with high-strength process with four distinct and successive applications.
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