Velux GZL 1051 (Skylight – Roof window) 55×78

VELUX GZL 1051   GZL window is equipped with integrated ventilation flap. The unique, integrated Velux ventilation flap lets in fresh air through a dust and insect filter even when the window is closed. Good for rainy days and ensure a healthy indoor enviorement. Original GZL centre-pivot pine finish VELUX roof window with the unique top control bar for easy operation. The improved design allows to open and close the window with one hand. The top control bar makes it very easy to open and close the window even with furniture placed directly below.  Features Natural pine with long lasting coat clear lacquer finish; An unique top control bar for easy operation; The unique, integrated ventilation; Dust and insect filter; Suitable for roofs with pitches between 15 and 90 degrees (when fitted with correct flashing); Wide range of accessories; 10 years warranty.   Technical specification Technical specification: GZL 1051 Window U-value: 1,3 W/m²K Glazing U-value: 1,0 W/m²K Rw coefficient: 29 dB Air permeability: Class 3 Glazing: 2-panes Inert gas filled with panes: Argon Total solar energy transmittance, g 0,66 Light transmittance, τv 0,80 UV transmittance, τuv 0,32 External glass toughened: Interior color: Pine Exterior color: Gray, RAL 7043 Installation range: 15-90° Warranty: 10 years   Flashing EDW for Tiles up to 120 mm EDL for slate up  to 8 mm EDP for plain tiles (min roof angle 25 deg – for lower pitch EDW maybe used). Max tile length 340mm.   Installation Kit Brackets, screws, plastic wedge and handle are included with the window. Brackets enable easy fitting of the window into the roof, and the plastic wedge allows levelling of the window.   GZL Window Installation EDW Flashing Installation