We believe it’s high-quality vinyl. Premium vinyl windows offer optimal value, superior performance, and minimal upkeep. Wood windows are beautiful… but need a ton of maintenance. Aluminum windows are inexpensive… but provide poor energy efficiency. Fiberglass windows are durable… but are pricey and require regular painting. Premium vinyl windows like ours provide the biggest bang for your buck—hands down. They require virtually zero maintenance, deliver top-notch efficiency, perform for decades, and offer curb appeal that endures.