Materials That Can Be Used for Flat Roof Installation
Flat roofing and low-slope roofing require different materials than steep residential roofs, and the choice has a big impact on durability, cost, and ease of maintenance. This overview looks at three of the most common options for a flat roof or low-slope roof—asphalt roofing, EPDM rubber roofing, and modified bitumen roofing—and highlights the strengths of each system.
Asphalt Roofing
Asphalt roofing has been a staple on both homes and commercial buildings for decades. On a flat roof or one with only a slight pitch, installers typically use roll products or built-up layers rather than standard shingles, but the core material is similar.
An asphalt roof is valued for a combination of durability and affordability. Installation costs are often lower than those of more specialized membranes, and repairs can be straightforward when seams or small sections need attention. Properly installed and maintained, many asphalt systems can provide reliable service for 20 years or more.
Weather resistance is another advantage. The multiple layers used in flat roofing applications help stand up to sun, rain, and temperature swings. With routine inspections and timely patching, asphalt roofing can remain a practical, budget-friendly solution for many flat and low-slope roofs.
Rubber Roofing (EPDM)
EPDM rubber roofing has become a go-to choice for many modern projects. This synthetic rubber roof material is manufactured in large sheets, which reduces the number of seams on a flat roof and simplifies installation.
One of the biggest strengths of EPDM rubber roofing is flexibility. The membrane expands and contracts with the building as temperatures change, helping limit cracking and reducing the risk of leaks at stress points. That flexibility, combined with resistance to UV exposure, gives EPDM a reputation for long service life, often 25 years or more with minimal upkeep.
Cost is another factor. While not always the least expensive option up front, a rubber roof often offers an attractive balance between price and longevity. Many EPDM products are also considered eco-friendly, both because they can sometimes be recycled and because their durability reduces the frequency of full replacements. For many flat roofing and low-slope roofing applications, this makes EPDM a strong contender.
Modified Bitumen Roofing
A modified bitumen roof bridges the gap between traditional asphalt systems and newer membranes. Modified bitumen roofing is an asphalt-based product that is reinforced and enhanced with polymers. Those additives improve flexibility, toughness, and weather resistance, essentially creating an upgraded version of standard asphalt roofing designed for modern demands.
These membranes are usually installed in rolls and can be applied with heat, cold adhesives, or self-adhering backings, depending on the system. Once in place, the layers form a durable, watertight barrier that performs well on a flat roof or low-slope roof. The material’s flexibility helps it handle thermal movement without cracking, while its multi-layer construction delivers strong protection against standing water and heavy rain.
Maintenance on a modified bitumen roof is generally straightforward. Regular inspections help identify small issues at seams, flashings, or penetrations, which can often be addressed quickly before they grow into larger leaks. For property owners seeking a rugged, easily serviced membrane that builds on the familiarity of asphalt, modified bitumen roofing is an appealing option.
About JBX Roofing LLC
JBX Roofing’s licensed and insured team provides free estimates and same-day service for expert roofing services in Philadelphia and the neighboring areas. Call them today for friendly, professional service when you schedule flat and asphalt roofing in Philadelphia, PA.
