SINCE 1989 - Over 20,000 Customers & Still Going Strong!


Proudly Serving: DE, PA, NJ, & MD with Windows, Siding, Roofing, Doors, Decks, Sunrooms, Gutters & More!

About Our Company

Built on Integrity
Since our inception in 1989, Advance Roofing, Windows, Siding & Doors has become widely  recognized as the Delaware Valley’s first choice for premium exterior remodeling projects. President and Founder, Gary Derrick, began working the remodeling industry at a very young age and in doing so gained valuable insight. A former engineer, Gary also worked in the vinyl replacement window manufacturing business where he learned the importance of offering a quality product and a professional installation at a reasonable price. That’s why Advance Roofing, Window, Siding & Doors is dedicated to offering superior building products installed by certified professional installers at a price that’s affordable.
Partners in Quality
Advance has chosen to partner with the most reliable and conscientious building material manufacturers in the industry. Our products are designed to last a lifetime and offer a significant return on your investment. When it comes to Advance’s product offerings you know you are getting the best the industry has to offer. 
Our Vision
Our staff has decades of industry experience and is dedicated to one goal; your complete satisfaction. A goal we have been achieving since 1989 with thousands of satisfied customers. And, should we ever fall short of this goal, we will not stop trying until we can add your name to our growing list of satisfied customers.
Our Promise
All building products offered by Advance offer comprehensive no nonsense warranties that homeowners can rely on. Advance proudly boasts a Lifetime Workmanship on all products we install. Advance is a family owned business. Full bonded, Licensed and insured. We look forward to making your remodeling project a positive experience. 
The highest quality product, customer satisfaction and continuing confidence make Advance Roofing, Windows, Siding and Doors a leader in the home improvement industry.
“Simply put 100% Customer Satisfaction is our goal”
- Gary Derrick, President & Founder
Our success as a company has everything to do with being upfront, fair and honest with our customers. Because we control everything about our Roofing, Windows, Siding and Doors – from measuring to installation and service – we can stand behind the promises we make. We hope you’ll five us an opportunity to show your family how our products can enhance the beauty and comfort of your home. Please give us a call for a free estimate to find our just how affordable we can be. 
“Delaware Valley’s First Choice Remodeler”