Reliable Commercial Roofing Company

Mill Creek, WA

Free Roof Inspections

24/7 Emergency Service

Roofing Craftsmanship Warranties

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Trusted Commercial Roofing in Washington Since 1972

Since 1972, SQI Inc Roofing and Restoration has been a cornerstone of dependable commercial roofing services across Washington state. We’ve built our reputation on three pillars: Service, Quality, and Integrity. As a locally and woman-owned business, we understand the unique challenges that commercial properties face in Washington’s diverse climate, and we tailor every project to meet those specific needs.


Our team of skilled professionals is dedicated to delivering exceptional commercial roofing solutions for businesses throughout the region. With over five decades of experience and the prestigious Carlisle Perfect 10 Contractor status, we provide comprehensive services including new construction, re-roofing, urgent repairs, and ongoing maintenance — all designed to protect your property and ensure long-term performance. When you’re facing commercial roofing issues, don’t hesitate to contact us for prompt, professional assistance.

SQI Inc. Roofing and Restoration

Why Choose Us

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24/7 Emergency Service

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Serving  Washington for Over 50 Years

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Carlisle Perfect 10 Contractor

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Since 1972

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Locally Owned

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Roofing Craftsmanship Warranties

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New Commercial Construction

We provide expert roofing installation for new commercial builds across Washington. Our team works closely with contractors and property owners to deliver durable, code-compliant roofing systems. From TPO and metal roofing to energy-efficient solutions, we ensure every project meets long-term performance goals. With over 50 years of experience, we deliver roofs built to last.

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Commercial Re-Roofing

SQI Inc Roofing and Restoration helps Washington businesses replace aging or failing commercial roofs with modern, high-performance systems. We carefully assess your existing roof and recommend solutions that improve durability, energy efficiency, and compliance. Our experienced team ensures minimal disruption while delivering reliable, long-lasting roofing results.

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Commercial Roofing Maintenance & Repair

Routine inspections and timely repairs are essential to protecting your commercial property. Our team provides preventative maintenance and responsive repair services throughout Washington to extend roof lifespan and prevent costly damage. We identify issues early and deliver precise solutions that keep your roofing system performing at its best.

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Commercial Roofing & Sheet Metal

Expert sheet metal components strengthen and protect commercial roofing systems from leaks and structural damage. SQI Inc Roofing and Restoration designs, fabricates, and installs custom sheet metal solutions to integrate seamlessly with your roof. Our precision workmanship ensures durable, long-lasting protection for all vulnerable areas of your commercial property. protection.

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Here's what our satisfied customers are saying...

At SQI Inc Roofing and Restoration, we take pride in providing exceptional commercial and residential roofing, gutter, and restoration services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of SQI Inc Roofing and Restoration and let others know what you think.

Frequently Asked Questions

Choosing the right commercial roofing partner often comes with a lot of questions, especially when you’re planning a major project or addressing urgent concerns. As one of the most experienced roofing companies in Mill Creek, WA, we’re here to provide clear answers and helpful guidance so you can feel confident in your decisions. Review the FAQs below to learn more about our process and services, and contact us today to discuss your commercial roofing needs.

  • 1. What types of commercial roofing systems do you install?

    We install a variety of commercial roofing systems, including TPO, metal roofing, and other flat roof solutions. Each system is selected based on your building’s structure, usage, and long-term performance goals. Our team focuses on durability and energy efficiency to ensure lasting results. We take the time to recommend options that make sense for your property. As one of the most experienced roofing companies in Mill Creek, WA, we understand how to match the right system to your specific needs.

  • 2. How do I know if my commercial roof needs to be replaced?

    Signs like persistent leaks, visible damage, or increasing repair costs can indicate it may be time for a replacement. We perform thorough inspections to assess the condition of your current roofing system. This allows us to recommend whether repairs or a full replacement is the better option. Our approach is always based on what makes the most sense for your building. As one of the top roofing companies in Mill Creek, WA, we provide honest guidance to help you plan ahead. Addressing issues early can help you avoid more costly problems later.

  • 3. Can you work around my business hours during a roofing project?

    Yes, we understand that minimizing disruption is important for any business. We work with you to plan the project schedule in a way that fits your operations as much as possible. Our team aims to complete work efficiently while maintaining a safe environment. Clear communication helps keep everything running smoothly throughout the project. As one of the most reliable roofing companies in Mill Creek, WA, we prioritize both quality work and your day-to-day operations. Our goal is to make the process as convenient as possible.

  • 4. What is included in your commercial roof inspections?

    Our inspections include a detailed evaluation of the roof’s surface, drainage systems, flashing, and overall condition. We look for signs of wear, damage, or potential problem areas that could lead to future issues. After the inspection, we provide clear recommendations based on our findings. This helps you understand the next steps for maintaining or improving your roof. As one of the most experienced roofing companies in Mill Creek, WA, we take a thorough and proactive approach. Regular inspections can help extend the life of your roofing system.

  • 5. How often should a commercial roof be maintained?

    We typically recommend scheduling maintenance at least once or twice a year, depending on your roof type and exposure to weather. Routine maintenance helps catch small issues before they turn into major repairs. It also helps maintain the overall performance of your roofing system. Staying consistent with maintenance can significantly extend the lifespan of your roof. As one of the most dependable roofing companies in Mill Creek, WA, we help you create a maintenance plan that fits your property. This proactive approach can save you time and money in the long run.

  • 6. Do you handle emergency commercial roofing repairs?

    Yes, we provide 24/7 emergency services for urgent commercial roofing issues. Whether it’s storm damage, leaks, or unexpected structural concerns, we respond quickly to protect your property. Our team works efficiently to stabilize the situation and prevent further damage. Fast response times are key to minimizing downtime for your business. As one of the top roofing companies in Mill Creek, WA, we’re prepared to handle emergencies when they arise. You can count on us to act quickly and professionally.

  • 7. What is the difference between re-roofing and roof replacement?

    Re-roofing typically involves installing a new layer over an existing roof, while full replacement involves removing the old system entirely. The right option depends on the condition of your current roof and your long-term goals. We evaluate your roof carefully to determine which approach is most appropriate. Our recommendations are based on performance, cost, and longevity. As one of the most knowledgeable roofing companies in Mill Creek, WA, we help you understand the benefits of each option.

  • 8. Can you help improve the energy efficiency of my commercial roof?

    Yes, we offer roofing solutions designed to improve energy efficiency, such as reflective materials and modern system designs. These options can help regulate indoor temperatures and reduce energy costs. We consider factors like insulation and ventilation when planning your project. Improving efficiency can benefit both your building and your operating expenses.

  • 9. What role does sheet metal play in commercial roofing?

    Sheet metal components are essential for protecting areas like edges, joints, and penetrations from water intrusion. Properly designed and installed metal elements help reinforce the overall roofing system. We custom-fabricate and install these components to fit your specific roof. This added protection helps prevent leaks and structural damage.

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Here's what our satisfied customers are saying...

At SQI Inc Roofing and Restoration, we take pride in providing exceptional commercial and residential roofing, gutter, and restoration services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of SQI Inc Roofing and Restoration and let others know what you think.