Description FAKRO Manually Operated Flat Roof Window (DMF-D) Manual opening flat roof windows. The type F window is equipped with an energy efficient triple glazed DU6 glazing unit. The external glass is 6mm toughened while the internal glass is laminated and anti-burglary P2A Class. Heat transmittance co-efficient for the whole window is U-Value 0.88W/m²K. (glass U-Value 0.5W/m²K). Acoustic rating 34Db (-1.-3). The multi-chamber UPVC upstand is RAL 9010, the internal finish is RAL 9010 white PVC. The step and profiles are in black 9005, the glazing edge colour called darkness effect which comes from RAL 9005 (black) the coating has hue of grey. Can be used on roofs with pitches between 2-15°.
