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ProVia introduces its new FineLine™ Technology, which produces a straight, clean weld line on the corners of  and achieves a “picture frame quality” look on the sashes. This unique process provides an enhanced fit and finish, and professional-class look, to patio doors.

Following several years of development,  is the first building products manufacturer to bring this new welding technology to the U.S. market. Doors produced with FineLine technology meet or exceed all industry requirements for strength and durability (AAMA / WDMA / CSA101 / I.S.2 / A440-11 Section 9.3.6.2 Thermoplastic corner weld testing).

Neat, Seamless Look

Across the U.S., most manufacturers use a traditional welding process to join vinyl patio door corners. This process creates a wide joint that must be cleaned and touched up. ProVia’s new FineLine Technology enhances the aesthetics of the finished corner without these secondary processes, resulting in a neat, seamless look. This delivers the highest standard of patio door craftsmanship and quality to the U.S. market.

Now Available

FineLine Technology is now available through  and comes standard on all Endure Patio Doors with laminated extrusions, with the option to upgrade on white, beige and sandstone vinyl.