Theinert Construction

About Us

Founded in 1993 and proudly rooted in Hanna City, IL, Theinert Construction has grown into one of Central Illinois’ most trusted names in roofing, construction, and demolition. For over 35 years, we’ve served communities across Peoria, Pekin, Farmington, Bartonville, Morton, Trivoli, and surrounding areas—bringing expert craftsmanship, honest service, and dependable results to every job.

We specialize in residential and commercial roofing, offering everything from new installations and repairs to storm and hail damage restoration. Our team is also highly experienced in remodeling, garage construction, and full-scale home improvements, helping homeowners and businesses transform their spaces with confidence.

When it comes to demolition, safety and precision are our top priorities. Whether it’s a planned tear-down or an emergency response to fire, water, or storm damage, we handle every project with care and efficiency—making cleanup and recovery as smooth as possible.

At Theinert Construction, we believe quality work should be accessible. That’s why we offer flexible financing options and work with all insurance providers to help our clients move forward without added stress. From your first free estimate to the final nail, we’re here to build, restore, and protect what matters most.

Areas Served

Our Professional Associations

BBB (A+ Rating)

Our Certifications

CertainTeed Master Installer
Unlimited Roofing License in Illinois

What We Offer

Our Specialties include:

With over 35 years of hands-on experience, Theinert Construction has built a reputation as a trusted leader in both residential and commercial roofing. Our team brings deep expertise to every project, whether it’s installing a new roof, repairing storm damage, or working with insurance providers to restore your property. We’re also demolition experts, known for our precision, safety-first approach, and efficient tear-down and haul-away services—including emergency demolition for fire, water, and storm-damaged structures. And because we believe quality construction should be accessible, we proudly offer flexible financing options to help bring your project to life without compromise.

Our Services include:

Roofing Services: Whether you're building new or repairing the old, Theinert Construction delivers top-tier roofing solutions tailored to your needs. From complete roof replacements to minor repairs, we ensure your home or business is protected with durable materials and expert craftsmanship. We also specialize in storm and hail damage restoration, working directly with your insurance provider to make the process smooth and stress-free.
General Contracting & New Construction: As a trusted general contractor, Theinert Construction brings your vision to life—whether it's a brand-new home, a commercial facility, or an agricultural structure. Our team manages every detail from start to finish, ensuring quality, transparency, and timely delivery.
Remodeling, Renovations & Home Improvements: Transform your space with our remodeling and renovation services. Whether you're updating a kitchen, finishing a basement, or refreshing your entire home, we bring creativity and precision to every project. We also handle general home improvements, helping you enhance comfort, functionality, and value.
Demolition Services: From large-scale commercial tear-downs to emergency residential demos, Theinert Construction handles demolition with safety and efficiency. We specialize in fire, water, and storm damage demolition, offering rapid response and expert cleanup to help you move forward quickly.
Exterior Enhancements: Boost curb appeal and protect your property with our exterior services. We install high-quality siding, energy-efficient windows, seamless gutters, and custom garages—all designed to withstand the elements and elevate your home’s look.
Insurance & Financing Support: We work with all insurance providers to help you navigate claims with ease. Plus, we offer flexible financing options to make your project more affordable—because improving your property shouldn’t be a financial burden.
Free Estimates: Every great project starts with a conversation. We offer free, no-obligation estimates so you can explore your options with confidence and clarity.

Our Products include:

New Construction
Room Additions & Home Improvements
Roofing
Remodeling & Renovations
Exterior Installations
Demolition Services

Testimonials

On 6/3/2026 Daniel and Holly Merdian had this to say:
Great people and they stand by their work! I had a shingle come up over two years after they put my new roof on. Bill came out and fixed it for me!! Highly recommend!!!

On 4/30/2026 Stacey had this to say:
We had a wonderful experience! We had new siding done and the crew who did the work were polite and they kept things picked up, organized and neat. They were prompt and really just did a great job. I highly recommend them.

On 8/5/2025 Keith Wagler had this to say:
Love my new roof with Malarkey Vista shingles. Theinert was Great to work with and did a walk around after the job was completed to make sure I was happy with everything. On time and on bid as well.

On 8/1/2025 A Marie Grohmann had this to say:
Recommended Nick n crew to our friends put on a new roof n Glasford n they loved them!! N they just finished a roof n Canton for my best friend n she’s very happy with their work n communication. They are coming back to side her home HIGHLY RECOMMEND GREAT WORK N COMMUNICATION

On 7/24/2025 Andrew Weber had this to say:
Theinert knocked my roof replacement out in one day! They have great quality of work and reasonable prices. They did an excellent job of cleaning up after the install as well. Would recommend.

Contact Us

Theinert Construction
Hanna City, IL 61536
Phone: (309) 360-6548
Email: theinertconstruction9@yahoo.com

Where To Find Us

Payment Types Accepted

Personal Checks

Our Hours

Monday: Open 24 Hours
Tuesday: Open 24 Hours
Wednesday: Open 24 Hours
Thursday: Open 24 Hours
Friday: Open 24 Hours
Saturday: Open 24 Hours
Sunday: Open 24 Hours

News

Protect Your Home This Summer – Roofing & Construction Experts in Hanna City, IL ☀️
Warm weather is here, making May and June the perfect time for roof repairs, replacements, and exterior projects. At Theinert Construction, we’ve been a trusted roofing contractor in Hanna City, IL since 1993, proudly serving Peoria, Pekin, Farmington, Bartonville, Morton, and Trivoli.
Our experienced team specializes in residential and commercial roofing, roof repairs, remodeling, garage repair, and professional demolition services. Whether your roof needs storm damage repair, a full replacement, or you’re planning a property upgrade, we deliver dependable results built to last.
Don’t wait until costly damage gets worse—schedule your project during prime construction season.
👉 Call Theinert Construction today for a free estimate on roofing or construction services in the Hanna City area!

Info

Before & After Projects

FAQ

Do you offer financing options for construction or roofing projects?

Yes, we offer flexible financing options to help make your home improvement or roofing project more affordable. Contact us to learn more about available plans and how to apply.

Will you work with my insurance company for repairs or claims?

Absolutely. We work with all insurance providers to help streamline the claims process and ensure your repairs are handled efficiently and professionally.

Do you provide free estimates?

Yes, we offer free, no-obligation estimates for all our services including roofing, remodeling, demolition, and new construction. Schedule yours today to get started.

What types of projects do you specialize in?

We specialize in residential, commercial, and agricultural construction including:

• Roofing (new roofs, repairs, replacements)
• Remodeling and renovations
• Garage repairs
• Demolition services
• New construction projects

What areas do you serve?

We proudly serve Hanna City, Peoria, Pekin, Farmington, Bartonville, Morton, Trivoli, and surrounding communities in Illinois.

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