Onyx™ Black Acrylic Coextrusion

Onyx™ black acrylic coextrusion delivers the most durable black finish in vinyl windows to date; Guaranteed to never peel, warp, blister or flake.

United Window & Door utilizes a black acrylic coextrusion process in which the black colored acrylic material is molecularly bonded together with the vinyl material as it is being formed, resulting in the most permanent bond in vinyl windows to date.