Formaplus Premium window double casement side opening

Rationel FORMA and FORMAPLUS design is elegant and have a classic look. The wo product series creates a beautiful architectural appearance, whether you're building from new or refurbishing. The design ensures that a maximum amount of daylight is let into the building. The well-insulated construction makes it possible to let in more solar heat during winter, than it lets out. This means a much lower heating bill during the heating season and significant CO2 savings. Moreover, it improves the indoor climate both for comfort health by minimizing drafts and cold spots.

Specification

• CE-marked and resistance tested to wind load as well as wind and watertightness. • The total thickness of double-glazed units is 32 mm with a centre U-value maximum of 1.2 W/m²K and the total thickness of triple-glazed units is 48 mm with a centre U-value maximum of 0.52 W/m²K. • The documented sound reduction of a double-glazed ‘reference windows’ is a minimum of 34 dB Rw, and triple-glazed ‘reference windows’ is a minimum of 43 dB Rw. • The window construction is tested for burglary protection. Secured by Design, Part Q-compliant. • Air permeability: 600 PA. • Watertightness: 600 PA. • Wind resistance: 1600 PA. • 60 years' life expectancy.

Technical specification