This fiberglass material is so durable, so long lasting, so strong, you'll never have to worry about replacement windows again. Best of all, it makes Infinity windows essentially maintenance free.
Infinity windows are made from Ultrex, inside and out.
The Absolute Best Material for Replacement Windows
Made of pultruded fiberglass - thin, strong cables of glass, saturated with specially compounded resins, Ultrex is a remarkably durable material that outperforms and outlasts other window materials.
What makes Ultrex superior?
Less thermal conductibility than aluminum (500x less), which means Ultrex doesn't conduct heat or cold from the outside into your home.
Won't discolor, warp, rot, corrode, dent, rust and never needs sanding, scraping or painting.
It is 8x stronger than vinyl, 3.5x stronger than wood composites and 3x stronger than wood.
Strength allows for narrow window frame profile for more visible glass area
Low thermal expansion rate (essentially the same rate as glass) means less material movement for better seals and longer endurance.
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