They are called a classic perfection in every inch, they may take pride in workmanship of the highest quality in even the smallest element of construction. They are produced on 5-chamber profiles of 70 mm.

Characteristics:

• renowned German 5-chamber profile
• excellent thermal insulation and perfect noise reduction (excellent U value =1,2 to 1,3 W/m2K)
• specially manufactured internal construction of the profile
• increased durability and safety
• steel reinforcements – perfect statics, functional durability and increased anti-burglar safety
• profile width of 70 mm – better energy-efficient values, durability and safety
• better glazing possibilities (from 14 to 42 mm) – no need to use additional profiles
• thickness of the profile’s external wall is not smaller than 2,8 mm – parameters of the highest RAL standards and A class
• side height of sash and frame profiles (118 mm) - larger glass area let in more light
• two glazing gaskets - secure the building’s interior against an uncontrollable air change, and carry off water and dirt quite effectively.
• a new generation fittings – higher standard of safety and comfort.