Les Grumdahl Window & Siding

Customer reviews for Grumdahl Window and Siding show a mix of positive experiences and some negative ones. Common siding materials referenced include seamless steel siding and metal one-piece siding, with at least one project noting removal of existing wood siding. Several projects are described as high quality, professional, and responsive, including skylights and Marvin Infinity windows. However, there are recurring complaints about customer service and communication (including delayed estimates or follow-up), inconsistent workmanship on some installations, cleanup issues, and at least one claim of landscape disturbance and safety concerns involving staff. Overall sentiment appears mixed, with many customers satisfied with the end result and a subset frustrated by communication and process issues.