This series has been designed to meet the performance and comfort requirements of more and more demanding market, maintaning the basic characteristics of the succesful IW series. This series can be used for new buildings and renovations, meeting also the requirements of demanding clients for design, performance and detail accuracy. The high thermal insulation of these systems is obtained using 39 mm honeycomb polyamide bars reinforced with the insertion of special insulating strips. This solution makes it possible to reduce convective motions in the profiles’ cavity and obtain high certified thermal and acoustic performance values. Thanks to the use of 77 to 87 mm sectional profiles, this series offers customers the best solutions and performance in the Aluk range.


Uw: 0,9 W/ m²K
Dim: 1530 x 1480
Ug: 0,6 W/m²K
Warm Edge : 0,05 W/m K