This name is a registered Trade Mark that describes a unique and patented method of construction that produces traditional timber style butt joints both on the inside and the outside of the window. The Authentic Collection comes standard with Timberweld® technology.
Timberweld® technology in summary: –
As a result of this innovation, Masterframe is the ONLY PVC-U sash window manufacturer that can promise you an authentic, wood effect joint, complete with perfectly sealed frames and corners that look just like the timber originals.