The 8-chamber structure of the 888, which is the most ideal profile width of 80mm, does not pass through heat, sound and water.

Excluding normal sash profile, there is also chance to have a choice for offset type sash profile.

Possibility to install double or trible glazing (22, 24, 32-34,42, 44, 48-50mm) with different thicknesses of glazing bead.

It’s quality is accredited by national and internatiol certificates.