Air Infiltration - 1.12m³/h.m²

Air-Infiltration is maintained by Japanese technology using dual hardness thermoplastic elastomer seal strips.

1. YKK AP accessories ensures high airtight performance with Rubber AT materials placed inside & outside.

2. Wind Stoppers prevent the entry of External Wind through the gaps in the interlocking stiles, ensuring a draft free and comfortable indoor environment.

Fixed and Casement