Greyrock Window & Door began as a family-owned and operated company dedicated to seeing people happy with their home’s windows, doors, and siding. Our emphasis on customer experience and relationships is what sets up apart from the competition. We take pride in truly listening to your needs and concerns and then matching you with the best windows, doors, and siding that we think will fit what you are looking for. We are not guided by price, but rather we are guided by giving you what you need. We are not partial to any brand (besides ProVia doors, which we believe are the best), so we bring an unbiased opinion to the table.

Greyrock Window & Door only offers the highest quality products, so, ultimately, which product you choose will be more about personal preference rather than the best windows. We serve all of the Northern Front Range, from Fort Collins to Firestone and north to Cheyenne and southern Wyoming with the best window installation services. Our residential window installation service is quick and efficient, making it as easy as possible for you. Our professional window specialists have years of experience with window installation, repair, and replacement, as well as door replacement. We understand how busy you are, which is why we place customer service above all else.

Greyrock Window & Door endeavors to make your life a bit brighter by offering superior window and door services. Through our winning attitude and professionalism to the product itself that stands towers above the rest, we deliver.

When it’s time to replace your windows, doors, or siding (in some instances, all three), it’s important to find a company that will offer you the best products at the best price. Grey Rock Window & Door Inc. is proud to offer high-quality products at factory-direct prices. We are an exclusive vanguard dealer in Northern Colorado, offering high-altitude Sunrise Windows and ProVia Doors.

We specialize in residential window and door replacement, possessing more than 15 years of industry experience. Our products are custom made and installed by highly experienced professionals. Whether you have odd-shaped windows or builder-grade doors you’d like to replace, we have the high-end products you want. When you work with us, you will be pleased with our exceptional customer service and affordable prices.

Contact us today to learn how we can help with your home’s window, door, and siding replacement needs.