During the colder months, most of the precious heat inside your home will be lost through the windows. With Austrian manufactured INTERNORM triple-glazed windows however, it is quite the opposite. With an R-value* of 1.2-1.6 you can be sure that your INTERNORM windows will maintain warmth throughout the whole house.
Triple-glazed joinery from INTERNORM is Europe’s number 1 insulated door and window brand trusted and highly regarded across the European continent.
They are also leaders in thermally insulated triple-glazed window and door systems for those wanting certified ‘passive houses’.
INTERNORM offers an extensive range of both UPVC, UPVC/Aluminium and Timber/Aluminium windows. With U-values as low as 0.6 and respective R-values of 1.5.
With INTERNORM triple-glazed joinery there is NO condensation.
*R-value is a measure of resistance to the flow of heat through a given thickness of a material (such as insulation) with higher numbers indicating the higher insulating properties.
SOLAR GLAZING & SHADING
Extremely high solar insulation. Glazing can be tinted. Exterior wind-sensitive solar Raff store blinds can be fitted on the exterior of windows for passive cooling.
Highly thermally insulated window systems ensure warmth and no condensation.
INTERNORM windows and doors reduce heating costs significantly.
All INTERNORM windows have solid and discreet security systems.