Free Estimates - Call 217-424-8900

Call today to set an appointment.

OUR SERVICES

Promax has completed thousands of contracts with home and business owners in the central Illinois area.  Some of our services include:

    • WINDOWS

      WINDOWS

      Custom Windows with Lifetime Warranties

    • SIDING

      SIDING

      Prolong the life of your home and increase curb appeal with a Promax siding application.

    • ROOFING

      ROOFING

      Experienced Roofers Offering Top Warranties

    • DOORS

      DOORS

      Full Service Professional Residential and Commercial Door Installation.

    • KITCHEN & BATH REMODEL

      KITCHEN & BATH REMODEL

      Professional and Affordable Updates for Residential and Commercial Kitchens and Bathrooms.

    • DECKS & SCREEN PORCH

      DECKS & SCREEN PORCH

      Custom and Affordable Decks and Porches

ABOUT US

Promax Construction is an independent and family owned company founded in 2002 by John Schilawski.   While the company is evolved over the years, John Schilawski continues to run the company with his wife Sharon.  Promax Construction’s home base is in Decatur, IL, but we provide services to the greater central Illinois community including Springfield, Champaign, Bloomington, IL and any location within a 65 mile radius of Decatur, IL.

Promax Mansard Roof Replacement Springfield IL

HERALD & REVIEW READERS CHOICE

Promax Construction has been the Herald and Review readers choice for several services over the years.

A+ BBB Rating Accreditation since April, 2000

Promax Construction BBB Business Review

LICENSED ROOFERS: RESIDENTIAL & COMMERCIAL

License #104.016085 and #105.005542

Roofing is strictly regulated by the State of Illinois.  Acquiring and renewing a roofing license in the state of Illinois requires demonstration of proficiency, proof of insurance/bonding and maintaining professional & ethical standards.  Insurance for roofing is expensive and difficult to acquire.  When you hire a licensed roofer, you know you are in good hands.

ESTIMATES

Fast and free estimates to for your next repair or remodeling project.  We work on residential and commercial structures.

OUR WARRANTY

We offer a highly competitive 5 year workmanship warranty on all of our services.  The workmanship warranty covers you from bad workmanship and poor installation.  We our confident in our staff and believe they will get the job done right the first time.  Manufacturer warranties also always apply when applicable.  We are a certified Certainteed Master Shingle Applicator, which allows us to offer the SureStart Plus warranty.

OUR SERVICES

We provide full service for all of our construction projects.  We provide all tools, hauling, containers, materials, permits, insurance and job clean up.  Our experienced sales staff can consult you on the most cost effective and long lasting construction solutions.  Also, our office staff is readily available to help you with any homeowners insurance claims.

WHY CHOOSE PROMAX

Promax offers free estimates on all of our services.  We encourage anyone interested in our services to call us at 217-424-8900 to set up an appointment with our experienced construction consultants.  We offer up-front pricing so you can budget accordingly.  Promax is fully insured and offers generous warranties on construction services.  We have a responsive office staff to assist customers with any issues.  Promax is a family owned business that was founded in the year 2002.  We understand our reputation is critical and we fight to maintain our integrity.

OVER 16 YEARS EXPERIENCE

Experience is critical in this industry.  Our installers know how to get the job done proficiently and fast.  We rarely encounter issues on the job site we haven’t already tackled many times over.

FULLY INSURED

All Promax customers are covered by our general liability insurance policy.  Rest assured your house is in safe hands.

RESPONSIVE OFFICE STAFF

People tell us all the time our competitors do not answer their phones and return phone calls.  Our mission is to have the most responsive and helpful office staff at the service of our customers. Whether you have questions about job scheduling, requesting documentation, or need help with your homeowners insurance claim, our office staff is here to assist you.

  • “Recently my wife and I had our bathroom remodeled by the pros at Promax Construction. We couldn’t be more pleased. The work was beautifully done, with top quality products that yielded very impressive results. The workers were always on time and very conscious of protecting other spaces in our home to minimize dust and tracking. The craftsmanship of the project exceeded our expectations along with coming in on budget, on time. My wife and I would encourage you to check out Promax Construction for your next remodel. I know we always will.”

    Bob & Robin Munson
    Mt. Zion, IL
  • "Please express our sincere gratitude to John and Sarah (Promax Staff) for their work on the windows at our church. We deeply appreciate their donation of extra time and effort and the excellent results it achieved. May God continue to richly bless Promax and its employees."

    Hammond Missionary Baptist Church
  • "Thank you and your whole crew... You have made us an asset to the neighborhood (our neighbors thank you also)! Thanks for all the coordination & sending us fine craftsmen. We love our "street appeal." Best to you and your family..."

    Dave & Joe Smith
  • "Our thank you to all the work crews - backsplash installers, trimwork & front door surround installers, painters, electricians, Geno and anyone else that worked on the remodel of our home. A job well done!!

    Mary Kay & Dennis Gatchel
    06/20/2018

CREDENTIALS & MEMBERSHIPS

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