Compared to other materials, Ultrex fiberglass is the strongest window and patio door framing material in the replacement industry. The results speak for themselves. Ultrex resists bending and flexing - that's confidence Fibrex and vinyl simply can't match. Ultrex expands at virtually the same rate as glass, so our windows and patio doors stay tight and true.
We test the material stability and expansion of Ultrex fiberglass. Our proprietary acrylic finishing process is unlike anything else in the industry. Best of all, it is virtually maintenance-free. The low thermal conductivity and superior performance of Marvin Replacement windows and patio doors built with Ultrex fiberglass combined with a selection of energy-efficient glass options can help save money on your energy bills. See All Windows. Doors Front Doors.
Once the Ultrex is cured, it cannot be reformed; this process is permanent. Pultruded fiberglass materials are made of glass fibers and resins. The glass used in fiberglass, while basically the same core material as that used in flat glass, comes in a different form — rovings — or also known as fibers. This form of glass begins as a finely ground, flour-like material composed of Silica and Zirconia. The filaments are collected together, grouped and a binder is applied to bond them into strands.
Then the strands are heat cured, wound together and rolled up into a cylindrical package. These fibers provide the bulk of fiberglass profile's longitudinal strength. The majority of resins used for fiberglass window profile are classified as polyesters. Polyester resin is one of a group of synthetic resins which undergo polymerization during curing. They provide excellent adhesive properties, high strength, and good chemical resistance.
These high-performance polyester resins are then mixed with suitable fillers and pigments to formulate the resinous matrix. The formulations are optimized for the particular application. The window and door replacement line received top honors in customer satisfaction study. Infinity from Marvin earned number one for customer satisfaction in J. The study measures satisfaction among customers based on performance in three factors: appearance and design features; operational performance and durability; and warranty.
Infinity from Marvin ranked highest with a satisfaction score of based on a 1,point scale. The global leader in consumer insights surveyed 2, customers in three performance areas who purchased windows or patio doors within the previous 12 months.
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