Grieff's Exterior Service Co. has been serving Pontiac, IL, and surrounding areas since 1992, specializing in window replacement, gutters, siding, and roofing. Customers appreciate their reasonable prices and high-quality work, often noting that the results are well worth the wait due to the company's busy schedule. They provide excellent communication and support, making the process of repairs, such as hail damage, and installations, like new windows and gutter guards, smooth and stress-free. Many reviews highlight the pleasant nature of the staff, making it easy to work with them. Grieff's is highly recommended for anyone in need of reliable exterior services.
Grieff’s Exterior came out to my house and put an entry door on the back of my garage. They were on time, polite and very professional. Couldn’t have had a better experience from start to finish. Don’t hesitate to call these guys for your exterior work.
December 2025
We have had them do gutters now windows and they do an excellent job! Highly recommend!!!!!!!!!!
December 2025
We used them for gutters and doors. They are reasonably priced and do wonderful work! Well worth the wait as they are very busy! Highly recommend!
