My Community Selecting the Right Materials for Historic and Row Home Rooftops

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  • Posted By : DISCOUNTED Roofing LLC
  • Posted On : Jan 05, 2026
  • Views : 8
  • Category : NBA
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Overview

  • Living in a historic row home brings a sense of connection to the past, but it also presents unique maintenance challenges that modern suburban homeowners rarely face. The flat or low-slope roofs characteristic of these properties require specific care and materials to handle the city’s variable weather. DISCOUNTED ROOFING LLC understands that preserving the integrity of these older structures involves more than just patching leaks; it requires choosing a roofing system that allows the building to breathe while keeping water out.

    When you begin looking into options for your home, you will likely encounter three main material contenders: Modified Bitumen, TPO, and EPDM. Modified Bitumen is often the standard for older row homes because its multi-layer application creates a tough surface that resists tearing and foot traffic. It mimics the traditional look of built-up roofs but offers modern waterproofing capabilities. This material is particularly forgiving when buildings settle or shift slightly, which is a common occurrence in properties that have stood for over a century in neighborhoods like Fishtown or Society Hill. It provides peace of mind for homeowners who worry about the structural quirks of vintage architecture.

    Another popular option gaining traction is TPO, a single-ply reflective membrane. This material is excellent for those concerned about energy efficiency. Because row homes can trap heat on upper floors during humid summers, a white TPO roof can reflect UV rays and significantly lower cooling costs. While it might look different from the black tar roofs of the past, the functional benefits often outweigh aesthetic concerns on flat roofs where the surface is not visible from the street. It is a practical solution for balancing modern comfort with historic preservation.

    Rubber roofing, or EPDM, remains a strong choice for its sheer durability and ease of repair. If a branch falls or a seal breaks, EPDM is relatively simple for a professional to patch without redoing the entire system. However, proper installation is vital. Many issues with Roofing Philadelphia properties stem not from the material itself, but from improper sealing around parapet walls and chimneys. Ensuring that flashings are correctly installed is just as important as the membrane you choose, as these are the primary entry points for water in row home construction.

    Beyond the membrane itself, one must consider the decking underneath. Historic Philadelphia homes often utilize wood plank decking that has aged, and sometimes rotted, over dozens of decades. A quality roof replacement isn't just about rolling out new material; it involves inspecting that substrate to ensure it can hold the weight of a modern system. We often recommend installing a cover board or insulation layer to provide a smooth, uniform surface for the new roof, which helps prevent "ponding"—the accumulation of standing water that can degrade materials prematurely.

    Maintenance is the final piece of the puzzle. Modified Bitumen roofs often require a "silver coating" or aluminized paint every 3-5 years to reflect UV rays and prevent the asphalt from drying out. Neglecting this simple step is a common reason for premature failure. TPO and EPDM are lower maintenance regarding coatings, but they still require regular drain cleaning. In our city environment, roof drains are magnets for leaves, plastic bags, and urban debris. A clogged drain can turn your roof into a swimming pool during a heavy storm, adding thousands of pounds of stress to your home's structure.

    Making the right decision for your roof involves balancing longevity, energy goals, and budget. Whichever material you select, the goal is to secure your home against the elements for decades to come. Taking the time to understand these materials ensures that your historic property remains a safe and dry sanctuary.

    If you are ready to discuss the best materials for your specific property, visit DISCOUNTED ROOFING LLC to get started.

    https://www.discountedroofingllc.com/