Decalu 88 Hidden is the so-called “hidden sash” system. It contains all the features of the basic DECALU 88 STANDARD solution. It provides very good thermal and acoustic insulation parameters and at the same time maintains original and stylish appearance. It looks good in office buildings, but also works well in residential construction.

Decalu 88 Hidden – benefits

• Window frame installation depth: 88 mm
• Sash depth: 88 mm
• Maximum sash dimensions: 1500 mm x 1500 mm
• Maximum sash weight: 160 kg
• Glazing thickness up to 71 mm
• The system with a hidden window sash
• 3-chamber system with a thermal break
• The option of a moveable post with a width of 111.5 mm
• Dehydration down the frame
• Invisible drainage of the horizontal post,
• Patented drainage groove protection
• Invisible line of gaskets