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Residential Flat Roofs in Chicago: A Modern Design or a Misstep?

flat roofs on houses in Chicago

You may have heard many good and bad things about flat roofs. This roof construction offers additional rooftop space and looks very stylish. However, flat roofs also have challenges that homeowners often complain about. This design demands maintenance and inspections. Otherwise, it can be easily damaged by water.

So, is it fine to choose a flat roof for your home? Let’s dive deeper into its pros and cons and consider flat roof materials, installation nuances and proper maintenance requirements.

H2 Flat Roofs for Residential Homes – A Bit of History

Flat roofs are a modern concept. Historically, sloped roofs were the preferred design because they could slide off the rain, snow, and prevented water damage.

However, in the early 20th century, US architects popularized flat low slope roofs for their clean look. Innovations in construction materials gave the green light to this new design. Property owners in urban settings chose flat roofs not only because of their sleek and modern look. They valued the additional space this new construction created. It could be used for gardens, solar panels, or patios. New building materials made these roofs practical even in rainy areas. Today, thanks to their practicality and style, flat roofs are common for commercial properties and residential areas.

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Common Types of Flat Roofs

If you are looking for material for your flat roof, you can find several options that are worth your attention. Each type has its unique benefits and considerations, so it’s important to consult with professionals who can help in selecting the right material.

Type of flat roofDescriptionAdvantagesThings to consider
Built-Up Roofing (BUR)BUR includes multiple layers of asphalt, reinforcement and gravel or a reflective coating.very durable;
waterproof;
heat-resistant.
Requires professional installation and needs regular maintenance.
EPDM rubber roofA flexible and easy to install single-ply rubber.

Lightweight and UV-resistant;

long-lasting;

easy to maintain.

 

Prone to punctures and needs expert installation
TPO (Thermoplastic Olefin)A heat-welded single-ply membrane.

Energy-efficient;

Resistant to algae and mold;

Low maintenance.

Susceptible to punctures without proper installation.

May shrink with time.

Modified bitumen roofA strong material that blends asphalt with rubber or plastic.

Flexible and durable;

Easy to install with various methods;

Moisture-resistant.

Can be expensive.

Needs regular inspection to avoid costly repair.

Green roofAn eco-friendly roof covered with plants.

A visually appealing roofing solution;

Helps with insulation and stormwater runoff.

High initial costs. Requires continuous maintenance and irrigation.
PVC roofingA durable plastic polymer membrane

Very long lifespan (up to 30 years).

Highly resistant to UV damage, fire, and chemicals

Expensive to install. Needs proper care to avoid punctures over time.
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    The Good and Bad About Flat Roofs

    flat roof for house in Chicago

    It is not a coincidence that more and more property owners choose flat roofs. The benefits speak for themselves:

    • Affordable price. Flat roofs are cost-effective compared to pitched roofs. Additionally, you can choose the material to match your budget.
    • Energy efficiency. Flat roofs can help save money on energy costs if you insulate them well. They are a great choice if you live in an area with hot summers.
    • Additional space. Flat roofs create an additional deck where you can place an HVAC unit or just make a rooftop garden.
    • Modern aesthetic. Flat roofs turn your house into a contemporary structure.
    • Repairs are possible. This type of roof is cheaper to repair than other roofing systems.

    However, you must also know the limitations of flat roofs.

    • Drainage issues. You may face pooling problems if your location has lots of rain. It can lead to leaks, mold, and roof damage.
    • Maintenance. Flat roofs require regular maintenance and inspections.

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    Installation of a Flat Roof – the Process Details

    The installation of a flat roofing system is rather straightforward. Here are its main steps.

    1. Roof inspections and cleanup. First of all, the roof surface must be cleaned from debris before you get started.
    2. Old material removal. Next, roofers strip away the existing roofing material is stripped away. After that, it’s important to inspect the roof deck for damage or weak spots.
    3. Work with roof deck. The deck must be solid and even, so any necessary repairs or reinforcements are made at this stage.
    4. Base layer installation. This layer protects the deck from moisture. So, it represents a waterproof membrane.
    5. The main roofing material installation. Now, the main material is applied. It is often EPDM, TPO, or bitumen. Each material has its own installation nuances. The main rule is to keep it watertight.
    6. Flashing and trim installation. Flashing blocks water leaks and is needed around areas like vents and chimneys. Trim is used as the roof edge finishing.

    The steps may differ a bit as the installation depends on the roofing material and local codes.

    Tips on Choosing the Right Roofing Contractor

    flat roofing design in Chicago

    The success of your roofing project is fully in the hands of those who install it. So, approach it wisely – here are some tips to guide you:

    • Experience. Look for someone with plenty of experience in flat roofing in Chicago. This type of roof seems simple, but you need a roofer that knows all its ins and outs.
    • Credentials. Always check the company you are going to hire is licensed and insured. This protects both you and your property.
    • References and reviews. Ask past clients about their experience and check online reviews to better understand the contractor’s reputation.
    • Compare estimates. Don’t jump for the first quote—get a few from different roofing services to find a reasonable offer.
    • Ask questions. Don’t hesitate to ask how they’ll handle the work, the materials they’ll use, and what kind of warranty they offer.
    • Good communication. Choose contractors that are ready to provide all the information you need.

    Warranties for a Flat Roof System

    If you want your roof to serve you well for years, you should understand the level of protection a roofer provides. So, what to check?

    • Material warranty. It covers defects in the roofing materials themselves. Think of it as a warranty for the “parts” of your roof. It is usually offered for a fixed term.
    • Workmanship warranty. It covers everything that relates to the installation of your roof. After all, even skilled roofers can make mistakes, and this warranty offers free compensation or roof repairs in such situations.
    • Full-coverage warranties. This is the ultimate protection that covers both materials and workmanship. It’s like a comprehensive insurance policy for your roof.

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    Maintenance and Repairs of a Flat Roof

    flat roofing houses in Chicago

    Regular care will help you keep your flat roof in an excellent state even longer than the promised lifespan. Just follow these rules:

    • Regularly clean your roof. Every storm brings debris. Inspect the roof after bad weather or just occasionally to keep it clean.
    • Repair seams. If there are joins on your roof surface, check them regularly. These are the first places where leaks are created.
    • Replace flashing. These reinforcements can deteriorate over time and should be regularly replaced.
    • Clean drainage. Clogged drains are another issue – clean them from time to time.
    • Exclude splits, cracks or pools. These are common damages for flat roofs. If you spot any of these – take measures to repair them as soon as possible.

    Roof repairs depend on the material that was used for the roof. Don’t hesitate to contact us for advice. We’ll find the optimal solution for every roof!

    FAQ

    Can flat roofs create leaks?

    Leaks are usually a common issue with a flat roof as they don’t have the natural slope to direct water away. However, with the right installation, regular maintenance, and inspections, you will surely avoid this problem.

    How long do flat roofs last?

    The lifespan of a flat roof varies based on materials and care. Generally, it can last from 10 to 50 years. EPDM roofs typically last 25-30 years, and TPO and PVC roofs last 20-30 years. Regular maintenance will prolong its lifespan.

    What are the advantages of flat roofs?

    This roof design creates extra space on top of your building. You can use it for a roof garden, terrace, or solar panels. Flat roofs are affordable to install and repair compared to pitched roofs. Additionally, flat roofs give homes a modern look and are perfect for urban areas with limited space.

    How do I maintain a flat roof?

    A flat roof requires regular cleaning. The main thing is to clean gutters and drains from debris. It’s also important to check for cracks or blisters after storms. Besides, you should reseal the roof periodically to avoid costly repairs.

    Are flat roofs energy-efficient?

    Yes, flat roofs can be energy-efficient, especially when you use reflective roofing materials like TPO or white EPDM. These materials help reflect sunlight and reduce the heat absorption.