Traditional timber/aluminium window
Crafted to complement traditional architecture, the Rationel FORMA window boasts an all-timber build adorned with slim, non-continuous bars. With an ovolo-molded profile and angled glazing bead, FORMA finds its perfect fit in older, classic, and rustic homes. Adding a distinctive touch, the aluminum external cladding features an unique curved edge.
When it comes to frame construction, the Rationel FORMAPLUS window aligns exactly with FORMA. The sole distinction lies in the incorporation of external aluminum cladding on the FORMAPLUS variant. This addition ensures minimal maintenance and uncomplicated care.
FORMA: 60 years
FORMAPLUS: 85 years
8-10 weeks from sign off
Any RAL Colour
for both timber and aluminium (FORMAPLUS only)
Double, Triple, Obscure, Solar, Laminated, Toughened
Performance and Durability
Air Permeability: 600 PA
Wind Resistance: 1600 PA
Operation: 10,000 cycles
Water Tightness: 600 PA
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