Innovative welding technology produces a straight, clean weld line while eliminating secondary cleaning and finishing processes.

SUGARCREEK, Ohio, July 1, 2019 ­ ProVia introduces its new FineLine™ Technology, which produces a straight, clean weld line on the corners of Endure™ Vinyl Patio Doors 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, ProVia 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 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.

Fine Line
without fineline

Without FineLine

with fineline

With FineLine

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

#  #  #

About ProVia®
Headquartered in Sugarcreek, Ohio, ProVia is a leading manufacturer of professional-class entry doors, storm doors, patio doors, windows, vinyl siding and manufactured stone. The professional-class designation reflects the company’s high level of quality, service and customization. ProVia has been an ENERGY STAR® Partner with the Environmental Protection Agency and the U.S. Department of Energy since 2002, and has won twelve ENERGY STAR awards: Partner of the Year for Door Manufacturing (four times), Sustained Excellence (seven times), and Excellence in ENERGY STAR Promotion. ProVia employs more than 900 people at its headquarters and 6 manufacturing facilities in Sugarcreek, Walnut Creek, Baltic and Strasburg, Ohio, and Booneville, Miss. For more information, visit