Flat Roofing for Membrane Replacement and Patching
When your commercial flat roof's membrane begins showing signs of wear, cracking, or leaking, prompt action becomes critical to prevent costly structural damage. Flat roofing for membrane replacement and patching requires specialized expertise to assess whether localized repairs can address the issues or if complete membrane replacement is necessary for long-term protection.
Chicago's harsh weather conditions, from intense summer heat to freezing winters with snow loads, place significant stress on membrane roofing systems. Over time, even the most durable EPDM, TPO, and modified bitumen membranes can develop problems that compromise your building's weatherproofing. Early intervention through professional patching can extend your roof's lifespan.
Understanding the difference between repair and replacement scenarios is essential for making informed decisions about your roofing investment. Factors such as the extent of damage, membrane age, and frequency of previous repairs all influence whether patching or full replacement provides the most cost-effective solution.
Chicago Elite Commercial Flat Roofing brings extensive experience in evaluating membrane conditions and recommending appropriate solutions. Our comprehensive approach includes thorough inspections, detailed assessments of underlying substrate conditions, and implementation of proven repair or replacement techniques. Whether addressing emergency leaks or planning proactive membrane upgrades, we ensure your flat roof delivers optimal protection for your commercial property.
Our Membrane Replacement Services
We provide specialized services for flat roofing membrane replacement, focusing on quality and durability. Our approach encompasses a thorough assessment of your current roof, the use of premium materials, and a meticulous installation process that ensures long-lasting performance.
Comprehensive Roof Assessment
Before any replacement begins, we conduct a comprehensive roof assessment. This evaluation helps us identify the existing membrane's condition and any underlying issues.
We inspect for damage, such as blisters, tears, or pooling water. This assessment enables us to determine the best course of action for your flat roof.
With detailed measurements and analysis, we ensure that we address all factors affecting your roofing system.
High-Quality Membrane Materials
We recommend only high-quality membrane materials for your flat roofing needs. Options include EPDM, TPO, and PVC membranes, each offering unique benefits.

- EPDM: Known for its durability and weather resistance, making it suitable for various climates.
- TPO: Energy-efficient and reflects sunlight, which can help reduce cooling costs.
- PVC: Offers excellent performance against wind uplift and punctures, ensuring longevity.
Selecting the right material is crucial for optimal performance and lifespan. We guide you through your options, considering your specific requirements.

Expert Installation
Our installation process is designed to ensure precision and quality. We follow industry best practices to remove the old membrane thoroughly, preparing the surface for the new one.
We meticulously install the chosen membrane, paying attention to seams and edges to prevent leaks. Our trained professionals oversee each step, ensuring adherence to safety standards and manufacturer specifications. We also conduct post-installation inspections to verify the integrity of the installation.
By focusing on these critical areas, we guarantee an effective and reliable membrane replacement service tailored to your flat roofing needs.
Our Flat Roof Patching Solutions
We provide comprehensive flat roof patching solutions designed to address leaks and extend the lifespan of your roofing system. Our expertise includes advanced leak detection methods, durable patch applications, and repairing seams and flashings.
Advanced Leak Detection
Accurately identifying leaks is crucial for effective repairs. We utilize advanced diagnostic tools, such as infrared thermography and moisture meters, to locate hidden moisture and pinpoint the origin of leaks.
Our team conducts thorough inspections, assessing insulation and roofing materials for vulnerabilities. By deploying these methods, we ensure that all leaks are identified and addressed. This proactive approach prevents further damage, saving both time and costs in future repairs.
Durable Patch Application
When it comes to patching, we utilize high-quality, weather-resistant materials to ensure long-lasting solutions. We start by cleaning the damaged area, removing any debris or moisture, which allows for better adhesion.
Next, we apply specialized patching compounds tailored to the specific membrane material. Our techniques include using liquid membranes for flexible applications and patches for structural integrity. We focus on ensuring a seamless finish that blends with the existing roof, safeguarding against future leaks.
Seam and Flashing Repairs
Flashing and seams are common weak points in flat roofing. We inspect these areas closely for wear and damage. Our repair process involves reinforcing existing seams with durable materials, enhancing their ability to repel water and withstand weather conditions.

We replace damaged flashing with high-quality materials that complement the roofing system. By prioritizing these critical areas, we help maintain the roof’s integrity and performance, providing peace of mind against the elements.
Why Choose Us
We take pride in our expertise and commitment to providing the best flat roofing solutions in Chicago. Our dedication to quality service, skilled craftsmanship, and customer satisfaction sets us apart.
Experienced Roofing Team
Our team consists of certified flat roofing specialists who possess extensive training and experience in membrane replacement and patching. We understand the specific requirements of flat roofing systems and are knowledgeable about the latest materials and techniques. By staying updated with industry standards and innovations, we ensure that our work meets the highest quality benchmarks.
Proven Track Record
We have successfully completed numerous flat roofing projects throughout Chicago, with a diverse portfolio that showcases our capabilities. Our projects range from small commercial buildings to large complexes, demonstrating our adaptability to different roofing needs. Client feedback has been overwhelmingly positive, reflecting not just our craftsmanship but also our willingness to work closely with each customer.
Customer Satisfaction
Our commitment to customer satisfaction is paramount. We strive to exceed expectations by delivering quality workmanship and reliable service on every project. We offer a customer satisfaction guarantee that ensures every aspect of our service meets your approval before finalizing any job. Our communication with clients is open and ongoing, allowing for adjustments and feedback to ensure the roofing solution meets your specific needs.
Frequently Asked Questions
How much does commercial membrane roof replacement cost in Chicago?
Commercial membrane roof replacement in Chicago typically ranges from $8-15 per square foot, depending on the membrane type, building accessibility, and existing roof conditions. EPDM rubber membranes are generally the most cost-effective option, while TPO and modified bitumen fall in the mid-range. Factors like removal of old materials, insulation upgrades, and winter installation can increase costs. Most commercial projects range from $25,000 to $100,000+ depending on building size.
What are signs my flat roof membrane needs replacement?
Key indicators include widespread cracking or splitting of the membrane surface, multiple leaks in different areas, extensive bubbling or blistering, and visible shrinkage pulling away from edges. If your membrane shows significant weathering with a chalky or brittle texture, or if you're experiencing frequent ponding water issues, replacement is likely needed. Age is also a factor - most membranes require replacement after 15-25 years depending on the material and maintenance history.
How long does EPDM membrane replacement take for commercial buildings?
EPDM membrane replacement typically takes 3-7 business days for most commercial buildings, weather permitting. Smaller buildings under 10,000 square feet can often be completed in 2-3 days, while larger facilities may require 1-2 weeks. Timeline factors include roof size, complexity of penetrations and details, removal of existing materials, and weather conditions. Winter installations may take longer due to temperature requirements and shorter daylight hours.
Can you patch a TPO membrane or does it need full replacement?
TPO membranes can often be successfully patched for localized damage like small punctures, tears, or seam failures. TPO patches bond well when properly heat-welded by experienced contractors. However, if the membrane shows widespread deterioration, multiple failure points, or the substrate beneath is compromised, full replacement becomes more cost-effective. Generally, if repair costs exceed 30-40% of replacement cost, full replacement is recommended.
What's the difference between membrane patching and full replacement costs?
Membrane patching typically costs $15-25 per square foot for the repaired area, plus minimum service charges, making small repairs relatively expensive per square foot. Full membrane replacement averages $8-15 per square foot but covers the entire roof system. While patching seems cheaper initially, multiple repairs over time often exceed replacement costs. Replacement also provides warranty coverage for the entire roof, whereas patches only cover the specific repair areas.