About Illinois Sash Erectors

Since 1980, Illinois Sash Erectors, Inc. has established its reputation as the leading commercial replacement window contractor in the Chicagoland area.

Specializing in the installation of windows into occupied premises, Illinois Sash has replaced over 250,000 windows in condominiums, schools, office buildings and healthcare facilities.

What Values We Offer

We can provide a full range of window products from Double-Hung, Single-Hung, Horizontal Sliding, Fire-Rated Steel Windows, Casement and Projected units all the way to the most complex ADA compliant windows.

Our experienced field-installation team and support personnel insure a quick, clean and thoroughly professional job. An in-house design and engineering staff plan and monitor every project, no matter what the size, from bid stage through final punch-list.

Illinois Sash is especially proud of the fact that since its founding, it has never failed to satisfactorily complete a project on time and on budget. Not a single project!

When considering any window replacement project call the leading commercial replacement window contractor, Illinois Sash Erectors, Inc. Illinois Sash will respond quickly with an appropriate recommendation of material, installed correctly and at a competitive price.