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We love hearing from our current and potential customers.
Let us know how you are enjoying your windows, siding and
doors or how we can help you join the GF Company family.
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please let us know.
130 South State St. Ste 310
Belvidere, IL 61008
“We were very pleased with the job. We would recommend the company to anyone. Ariel and G...”
Daniel M., Machesney Park IL
“When we signed our contract we were given an anticipated time frame when work will begin. ...”
Chris and Cindy J., Belvidere IL
“The workers would always be respectful and professional of the environment. They were alwa...”
Brent and Karen J., Roscoe IL
“Dear George: We have never seen such expertise workmanship performed by Ariel and Greg. ...”
Armond and Norma F., Rockford IL
“Outstanding work. Would recommend G.F. Siding to anyone. Excellent workmanship. ”
Vivian C., Rockford IL
“Excellent work! The house looks great.”
Tim K., Rockford IL
“We were very impressed with the expertise that the installers put into their work. Also t...”
Steve and Loryn L., Loves Park IL
“We had one old garage and two new buildings to side. With the Gray’s recommendations—...”
Steve and Celeste, Rockford IL
“They did an excellent job. Wonderful group of workers. I will recommend them to others.”
Steve and Candy S., Rockford IL
“Exemplary workmanship. Timely completion! Workers thoroughly cleaned up after themselves...”
Peggy T., Rockford IL