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Maximize protection and energy efficiency with Alter Phase Roofing's flat roofing expertise. New installations, repairs, maintenance for all types of flat roofs.
Flat roofs demand specialized knowledge and techniques for optimal performance and longevity. Alter Phase Roofing has extensive experience in all aspects of flat roofing, providing tailored solutions for commercial and residential properties.
From durable TPO and EPDM membranes to innovative PVC and modified bitumen systems, we offer a comprehensive range of flat roofing materials to suit your building’s specific needs, budget, and performance goals. Our experts work with you to design a flat roof that seamlessly integrates with your commercial building’s architecture or enhances the functionality of your residential extension. We specialize in cool roof solutions, including highly reflective coatings and green roof systems, to help you reduce energy costs and improve your building’s environmental impact.
Whether it’s persistent leaks, membrane failures, ponding water, or damage from weather events, our technicians thoroughly investigate the root cause and provide long-lasting repair solutions. We understand the nuances of flat roofs, addressing not only the surface issue but also inspecting for potential problems in flashing, drainage, and underlying structural elements for comprehensive repairs.
Maximize the lifespan of your flat roof with our proactive maintenance programs, which include regular inspections, debris removal, minor repairs, and detailed reporting to help you anticipate future needs. Proactive maintenance is not only about roof protection but also cost-effectiveness. By catching issues early, we help you avoid costly repairs and replacements down the line.
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We make the process easy. Alter Phase Roofing offers flexible scheduling and clear communication, so your roofing project fits seamlessly into your life.
We believe quality roofing should be accessible. Alter Phase Roofing provides competitive pricing and helps you find solutions that fit your budget.
We stand behind our work. Alter Phase Roofing provides warranties on both materials and workmanship, giving you confidence in your roof's long-term performance.
Alter Phase Roofing delivers prompt project completion and efficient service, minimizing disruption to your home or business.
We are proud to have earned the trust and confidence of our customers through our commitment to excellence and exceptional service.
EXCELLENT Based on 56 reviews Posted on Nicole Perretta2025-09-24Trustindex verifies that the original source of the review is Google. Quick, reliable and does OUTSTANDING work. We had a leak on our roof and made calls and left messages. They were the only company that called me back with in 10 min, they gave me an appointment the same day to come out and check out our roof. When we agreed to use them they were back here in 2 days to replace the roof and did an amazing job. They were friendly, knowledgeable and answered every question we had with confidence. Needless to say I would recommend to anyone who maybe need their roof repaired or replacedPosted on Nia B2025-09-18Trustindex verifies that the original source of the review is Google. Amazing service and fast response. The team worked on a residential gutter repair and were professional and reliable.Posted on Michael Livit2025-09-13Trustindex verifies that the original source of the review is Google. I had my roof replaced and couldn’t be happier with the experience. The team offered a very fair price, completed the job right on schedule, and kept the worksite spotless throughout the process. They went above and beyond the requirements, making sure everything was done with care and attention to detail. I was kept informed at every stage, which gave me peace of mind. Excellent workmanship, great communication, and a smooth process from start to finish—highly recommended!Posted on Sergey Bababekov2025-09-11Trustindex verifies that the original source of the review is Google. Very good job and doing very fast. Good people.Posted on amnun112025-09-04Trustindex verifies that the original source of the review is Google. Excellent job and I will recommend them to all my friends. The job was beautiful and done on time.Posted on George Tsafas2025-08-30Trustindex verifies that the original source of the review is Google. Amazing job, patched it seamlessly. Super quick turnaround. I would highly recommend.Posted on Perpetual Annan2025-08-29Trustindex verifies that the original source of the review is Google. Very satisfied new customer! My gutters hadn’t been cleaned in years, but Marke came highly recommended. He and his brother showed up within 45 minutes and had everything—gutters and covers—cleaned in under two hours. My husband and I were really impressed. Thanks again, Marke!Posted on Jeffrey Wheeler Wheeler2025-08-25Trustindex verifies that the original source of the review is Google. very professional great work Mark was extremely communicative letting us know each step of the way what to expect the end result surpassed our expectations thank youPosted on Thomas Tom2025-06-18Trustindex verifies that the original source of the review is Google. nice.>Posted on Chi Chan2025-05-10Trustindex verifies that the original source of the review is Google. Marke and his team did an excellent job on replacing my roof! He and his brother came to my house, climbed up the roof to investigate the condition unlike other contractors which were only using a drone to take pictures. He gave me honest opinion and options for replacing my roof. Great communication and very easy to work with during the whole process. The price is also fair comparing to other roof contractors. I will definitely contact Alter Phase Roofing Contracting again with any roof related issues in the future!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
We offer affordable pricing, top-quality materials, and expert installation, replacements and repairs.