Get a quote now
414-727-6100

Milwaukee Flat Roofing Contractors

What is flat roofing?

Flat roofing is a roof design that has a minimal slope, nearly horizontal. It's commonly used in commercial and modern residential buildings for its cost-effectiveness and potential for additional space.

Types of flat roofing

Flat roofs are commonly chosen for commercial, industrial, and institutional buildings due to their ease of installation over expansive areas. Buildings such as shopping malls, warehouses, apartment complexes, and schools typically sport flat roofs. The selection of materials for flat roofing varies depending on considerations like budget, local climate, and intended usage. Common options include:

Built-up Roofing (BUR)

Built-up roofing is a robust roofing system constructed by layering multiple sheets of bitumen (either asphalt or coal tar) and reinforcing fabrics. The installation process involves laying down a layer of roof felt, followed by the application of hot asphalt, which is mopped over the previous layer. This process is repeated two to four times, creating a resilient and weather-resistant roof. Built-up roofing is known for its durability and is often used in commercial and industrial applications where a sturdy and long-lasting roofing solution is required.

Modified Bitumen Roofing

Modified bitumen roofing is a versatile roofing solution that bridges the qualities of built-up roofing (BUR) and single-ply membranes. It is composed of rugged materials like Styrene Butadiene Styrene or Atactic Polypropylene, which provide both flexibility and durability. During installation, modified bitumen is typically heated using a roofer's torch to adhere it to the roof surface and effectively seal the seams. However, it can also be applied using cold adhesive, offering roofing professionals flexibility in their installation methods. This roofing system is favored for its ability to withstand various weather conditions and its adaptability in commercial and residential roofing projects.

EPDM Rubber Membrane Roofing

EPDM (ethylene propylene diene monomer) roofs are single-layer, flexible roofs known for their outstanding weather resistance. Among these, EPDM, a synthetic rubber roofing membrane, stands out as a preferred choice for low-slope and flat roofs due to its durability and ability to withstand various weather conditions. To ensure the longevity of an EPDM roof, regular maintenance and professional installation are essential. During installation, two primary methods are employed: fully adhered or mechanically fastened. Both methods begin with thorough surface preparation and involve securely attaching the EPDM membrane to the roof deck, sealing seams, flashing penetrations, and trimming excess material. These steps collectively ensure a robust and weather-tight roofing system.

Metal Roofing

Metal roofing is a roofing option characterized by the use of durable materials like steel or aluminum in the form of panels. These roofing panels offer exceptional longevity and require minimal maintenance over their lifespan. Metal roofs are favored for their resilience to the elements and their ability to withstand various weather conditions. They are a popular choice for both residential and commercial applications, providing a reliable and long-lasting roofing solution.

Flat Roofing Drainage

Flat roofing presents unique challenges when it comes to drainage because these roofs lack the natural inclination to shed water that sloped roofs have. To address this, flat roofs rely on essential components like roof drains, scuppers, or roof slopes, which are strategically designed to direct water towards gutters or drainage systems. This careful planning and implementation of drainage solutions are critical for preventing water ponding, which, if left unaddressed, can lead to issues like leaks and potential structural damage within the building. Proper drainage is thus a fundamental aspect of maintaining the integrity and performance of flat roofing systems.

Benefits of flat roofing

A flat roof is a cost-effective roofing option because it efficiently utilizes space both below and above it. Because of its smaller surface area, flat roofs require less material and tend to be more robust compared to pitched roofs, although a citation is needed to support this claim. Additionally, this roof style offers versatility. The generous space allows for installing solar panels or different kinds of outdoor activities like rooftop gardens. By applying a durable waterproofing membrane, you create an ideal foundation for planting green roofs.

In cases where gable roofs are unusual or space is limited, flat roofs can be repurposed as functional living spaces. These spaces can include sheltered kitchens, bathrooms, and both living and sleeping quarters.

  • Cost Efficiency: The simplicity of design and reduced material requirements make flat roofs a cost-effective choice during installation.

  • Utilizable Space: The horizontal layout of flat roofs allows for the creation of functional areas like rooftop gardens, recreational spaces, and the installation of solar panels.

  • Ease of Installation: Flat roofs typically involve quicker and simpler construction processes, leading to lower labor costs and faster completion times.

  • Accessibility: Maintenance tasks, inspections, and repairs are more accessible on flat roofs due to their easy-to-reach design.

  • Energy Savings: The flat surface is suitable for integrating energy-efficient features like cool roofs and solar panels, contributing to overall energy conservation.

  • Design Versatility: The flexibility in architectural design and the convenient placement of HVAC units make flat roofs a preferred option for modern and commercial structures.

  • Wind Stability: Flat roofs can offer enhanced stability in high-wind conditions compared to pitched roofs.

  • Convenient Equipment Installation: The flat layout allows for the hassle-free installation of rooftop equipment, such as HVAC units and satellite dishes.

Here to Help

Learn more about our flat roofing services for your commercial property.

Request an estimate