roof windows types

Top windows FDL, FBL
Top windows are windows which are
triangular FDL, or arched FBL. They can
be installed on the join above any roof
window. Top windows are non-opening.
Original shapes, additional lighting and
an interesting interior design are without
doubt the advantages of these windows.
Use of top windows gives buildings a
strikingly distinctive character.
Features:
— Manufactured with pinewood, vacuum impregnated and
coated twice with acrylic varnish,
— Suitable for roofs with pitches between 20° and 90° (complete
with flashing).
Technical specifications:
FDL, FBL
— window U-value: 1.5 W/m²K
— glazing U-value: 1.1 W/m²K
— Rw coefficient : 32 dB
— glazing: 4T – 16 – 4H
— low emission coating: +
— inert gass filled panes: +
— toughened glass: +
— varnishing: twice
— seals one
Sizes of Top windows
external window frame dimensions [cm] 78x67 94x81 114x99 134x116 78x57 94x57 114x57 134x57
actual glazed surface [m²]
0,15
0,24
0,40
0,57
0,25 0,30 0,35 0,40
window symbol 42 43 44 45 42 43 44 45
FDL Window in natural colour 35 FBL Window in natural colour 35
price excl. VAT — — — — — — — —
price incl. VAT — — — — — — — —
Order processing time – working days.
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