Tag Archive for: Commercial Roofing

Modified Bitumen Roofing System – Anatomy, Benefits, and Installation

Looking for a durable and high-quality roofing system? Knowing about a modified bitumen roof structure and long-term reliability for residential, commercial, and industrial buildings gives you insight into the value, strength, and longevity these roofing systems offer.

Modified bitumen roofing system professional installation

New Image Roofing Atlanta gathered information defining modified bitumen roofing anatomy, its benefits, and installation details.

Modified Bitumen Roofing System Anatomy

Modified bitumen roofing systems membrane torch down

A modified bitumen roofing system includes several fundamental components that work together to provide superior waterproofing and weather resistance:

Base Sheet – The base sheet is the roofing system’s foundation, providing a stable substrate for the modified bitumen membrane. It is typically fiberglass or polyester reinforcement coated with asphalt or polymer-modified asphalt.

Modified Bitumen Membrane – The modified bitumen membrane is the roofing system’s heart, offering exceptional waterproofing and flexibility. It is an asphalt and rubber or plastic modifier blend, which enhances its elasticity, durability, and resistance to temperature fluctuations.

Surfacing – Modified bitumen membranes may be surfaced with granules, reflective coatings, or a smooth finish to enhance durability, UV resistance, and energy efficiency. Surfacing options vary depending on the roofing project’s requirements and environmental conditions.

Adhesive or Heat Welding – Modified bitumen membranes are typically installed using hot asphalt (hot tar), cold adhesive, or heat welding techniques. Heated asphalt is applied to the substrate and the membrane is rolled out and pressed into place (while heat welding involves using a torch to melt the membrane seams together for a watertight seal).

Flashing and Sealants – Flashing materials like metal, plastic, or modified bitumen strips are used to waterproof roof penetrations, edges, and transitions. Sealants are applied to seams, joints, and penetrations to enhance waterproofing and prevent water intrusion.

Modified Bitumen Roofing System Benefits

Modified bitumen roofing systems waterproofing

Modified bitumen roofing systems offer numerous advantages that make them an attractive choice for various roofing applications:

Durability – Modified bitumen membranes are highly resistant to punctures, tears, and impact damage, making them ideal for high-traffic areas and regions prone to severe weather conditions.

Flexibility – The rubber or plastic modifiers in modified bitumen membranes provide enhanced flexibility and elongation properties, allowing the roofing system to accommodate building movement and temperature fluctuations without cracking or splitting.

Waterproofing – Modified bitumen membranes offer superior waterproofing capabilities, effectively sealing out moisture and preventing water intrusion into the building envelope. This helps protect the roof’s structural integrity and interior spaces from water damage and mold growth.

Energy Efficiency – Reflective coatings and surfacing options can help reduce solar heat absorption and lower cooling costs by maintaining lower roof temperatures. This can result in increased energy efficiency and reduced environmental impact.

Easy Maintenance – Modified bitumen roofing systems are relatively low-maintenance and require minimal upkeep to maintain their performance and appearance. Regular inspections and minor repairs can help prolong the roof’s lifespan and prevent costly damage or deterioration.

Read more about roof upkeep and maintenance plans at newimageroofingatlanta.com/roofing-services/roof-maintenance

Modified Bitumen Roofing System Installation

Modified bitumen roofing systems material installation

A modified bitumen roofing system installation typically follows these general steps:

Surface/Substrate Preparation – The roof substrate is inspected for damage, cleaned of debris, and repaired as necessary to ensure a smooth and even surface for membrane installation.

Base Sheet Installation – The base sheet is mechanically fastened or adhered to the roof substrate using asphalt or cold adhesive, providing a secure foundation for the modified bitumen membrane.

Membrane Application – The modified bitumen membrane is rolled onto the roof surface and positioned carefully to ensure proper alignment and coverage. The membrane is then adhered to the base sheet using hot asphalt, cold adhesive, or heat welding techniques.

Seam Sealing/Welding – Seams and overlaps in the modified bitumen membrane are sealed using heat welding, adhesive, or liquid sealants to create a watertight barrier against moisture intrusion.

Flashing Installation – Flashing materials are installed around roof penetrations, edges, and transitions to waterproof vulnerable areas and prevent leaks. Flashing components are secured with fasteners or adhesive and sealed with compatible sealants.

Surfacing Application – Depending on the desired finish and performance requirements, the modified bitumen membrane may be surfaced with granules, reflective coatings, or a smooth finish to enhance durability, UV resistance, and energy efficiency.

Final Inspection – Once the roofing system is installed, a final inspection is conducted to ensure all components are correctly installed, seams are sealed, and flashings are secure. Any necessary touch-ups or adjustments are made to ensure the quality and integrity of the roof.

Modified bitumen roofing system post installation inspection

ModBit Roofing Systems

In this article, you discovered how a modified bitumen roofing system is built, its benefits, and how they are installed.

Understanding how a Modbit roof is layered and installed and how it benefits your building helps you make well-informed decisions when seeking a roof-over or replacement.

Unfamiliarity with a roofing system’s assembly and benefits may lead you to install an improper roof on your residential, industrial, or commercial structure.

Sources:
fema.gov/sites/default/files/documents/fema_p-2181-fact-sheet-3-3-2-roof-systems-low-slope-roofs.pdf
energy.gov/energysaver/cool-roofs

  New Image Roofing Atlanta
 

    2020 Howell Mill Rd NW Suite 232
    Atlanta, GA 30318
    (404) 680-0041
 
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Standing Seam for Low-Slope Roofing

Are you seeking a roofing solution with durability, fire resistance, and energy efficiency? Standing seam roofing systems for structures with a low slope may be the answer you are looking for.

Low slope standing seam metal roofing professional installation

newimageroofingatlanta.com gathered essential information about standing seam systems for low-slope roofs, their advantages, and their disadvantages.

Understanding Standing Seam Roofing

Standing seam roofs feature raised seams that interlock to create a sleek, modern appearance. The seams run vertically along the roof’s surface, with panels typically made of metal, like steel, aluminum, or copper. These panels are joined using concealed fasteners, providing a clean, uninterrupted aesthetic while enhancing weather resistance and durability.

Read more about Metal Roofing at newimageroofingatlanta.com/roofing-services/roof-materials/metal-roof

Utilizing Standing Seam for Low-Slope Roofs

Low slope standing seam residential metal roofing

Traditionally, low-slope roofs have been dominated by materials like built-up roofing (BUR), modified bitumen, and single-ply membranes like EPDM and TPO. However, standing seam roofing systems are gaining popularity in this market segment due to their versatility and performance benefits. Here is how standing seam can be effectively used for low-slope roofs:

Enhanced Drainage – Standing seam roofs feature raised seams that create channels for water to flow off the roof surface quickly and efficiently. This enhanced drainage capability helps prevent water ponding and reduces the risk of leaks or water damage.

Sleek Aesthetic – A standing seam roof’s clean lines and modern aesthetic make it an attractive option for low-slope buildings, including commercial, industrial, and residential structures. The vertical orientation of the seams adds visual interest and architectural appeal to the overall design.

Long-Term Performance – Standing seam roofs are known for their durability and longevity, with metal panels offering excellent resistance to weathering, corrosion, and UV exposure. When properly installed and maintained, standing seam roofs can last 50 years or more, providing a long-term roofing solution for low-slope applications.

Customization Options – Standing seam roofs come in multiple materials, finishes, and colors, allowing customizations to match the building’s aesthetics and design. Architects and building owners can choose from several options to achieve the desired look and feel for their low-slope roofs.

Standing Seam Roofing for Low-Slope Application Advantages

Weather Resistance – Standing seam roofs offer superior weather resistance, with raised seams and concealed fasteners providing enhanced protection against water infiltration, wind uplift, and snow loads.

Minimal Maintenance – Metal roofing requires minimal maintenance compared to traditional roofing materials, withstanding weather and environmental exposure effects without deteriorating or needing frequent repairs.

Energy Efficiency – Standing seam roofs can be designed with insulation and ventilation features to improve energy efficiency and reduce heating and cooling costs. Reflective coatings and cool-roof options help minimize heat absorption and optimize thermal performance.

Low slope standing seam metal roofing green or cool roof option

Fire Resistance – Metal roofing is inherently fire-resistant, offering added protection against fire hazards and reducing ignition risks from airborne sparks or embers.

Note: Metal panel roofs are classified as Class A to meet the model building code’s fire provisions. However, the applicable building code may require a further fire-rated roof due to occupancy, construction type, and space conditions. Find additional information on fire protection for metal buildings HERE.

Standing Seam Roofing for Low-Slope Application Disadvantages

Cost – Standing seam roofs tend to have a higher upfront cost than traditional roofing materials, primarily due to the expense of materials, installation labor, and specialized equipment required.

Complex Installation – Installing standing seam roofs on low-slope surfaces can be complex and labor-intensive compared to steep-slope applications. Proper roof substrate preparation, flashing details, and seam connections are critical to ensuring a watertight seal and long-term performance.

Expansion and Contraction – Metal roofing materials are prone to expansion and contraction with temperature fluctuations, leading to stress on fasteners and seams over time. Proper installation techniques and allowances for thermal movement are essential to mitigate potential issues.

Noise – Metal roofs can be noisier than traditional roofing materials, especially during heavy rain or hailstorms. While sound-dampening underlayments and insulation can help mitigate noise transmission, some building occupants may find the sound of rain on a metal roof disruptive.

Low slope standing seam metal roofing weather resistance

Standing Seam Roofing System Installation

Standing seam roofing systems are renowned for their durability, sleek appearance, and weather resistance. Consider the following installation steps:

  • Installation begins with careful roof deck preparation, ensuring it is clean, dry, and structurally sound.
  • Underlayment is then applied to provide an additional moisture barrier.
  • The metal panels, typically steel or aluminum, are placed vertically from the roof’s ridge to the eaves.
  • Each panel features raised seams that interlock, often using hidden fasteners, creating a continuous, watertight surface.
  • This design enhances the roof’s aesthetic appeal and allows for thermal movement, reducing damage risks.
  • Precision and expertise are essential during installation to ensure proper panel alignment and secure attachment.
  • Flashing and trim pieces are installed at roof edges and around penetrations.
  • A professionally installed standing seam roof can last 40-70 years, offering excellent protection and energy efficiency.

Low slope standing seam metal roofing installation and fastening

Contact THIS professional roofer for a free estimate.

Low-Slope Standing Seam Roofing Systems

In this article, you discovered how standing seam can be used for low-slope roofs and its advantages and disadvantages.

Your decision to install a standing seam roofing system can provide decades of protection, fire resistance, and energy savings for your residential, commercial, or industrial structure.

Failure to vet and consider standing seam for low-slope roofing systems pros and cons for your structure may leave you with an inappropriate or problematic roof.

Sources:
basc.pnnl.gov/resource-guides/metal-roofs
energy.gov/energysaver/cool-roofs
ibhs.org/guidance/ricowi-roof-guide-low-slope-metal

  New Image Roofing Atlanta
 

    2020 Howell Mill Rd NW Suite 232
    Atlanta, GA 30318
    (404) 680-0041
 
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Commercial Roof Inspections – What You Need to Know

Avoid roof leaks and costly structural damage to your commercial structure. Understanding how commercial roof inspections play a crucial role in identifying potential roofing system issues before they escalate into expensive repairs or replacements keeps your roof at its peak performance.

Professional inspections of commercial roofing systems

New Image Roofing Atlanta gathered information about commercial roof inspections, including why they are necessary, when they should be performed, who should conduct them, and what an inspector looks for.

Why Commercial Roof Inspections Are Necessary

Commercial roofs are exposed to various weather conditions, including rain, snow, wind, and UV radiation, which can cause wear and tear over time. Poor installation, design flaws, or irregular maintenance can cause roof deterioration. Regular roof inspections help identify potential problems early on, allowing for timely repairs and maintenance to extend the roof’s lifespan and prevent more significant issues from developing.

When Are Commercial Roof Inspections Required?

While there is no regulation mandating how often commercial roof inspections should occur, they are typically recommended annually. However, certain factors may necessitate more frequent inspections, like severe weather events, age, or recent construction activities nearby that could inadvertently damage the roof. Inspections may be required as apart of a property sale, lease agreement, or insurance policy.

For more information about free commercial roof inspections and scheduling one, visit newimageroofingatlanta.com/roofing-services/roof-maintenance/roof-inspections

Watch this video to discover more about insurance and deductibles when roof repairs or replacements are needed.

Who Performs Commercial Roof Inspections?

Commercial roof inspections should be conducted by qualified professionals with expertise in commercial roofing systems. This could include licensed roofers, roofing contractors, or certified building inspectors. It’s essential to select inspectors with experience in commercial roofing, as they are familiar with these structures’ unique challenges and requirements. Additionally, inspectors should adhere to industry standards and best practices outlined by organizations like the National Roofing Contractors Association (NRCA) or the International Facility Management Association (IFMA).

What Do Inspectors Look for During a Commercial Roof Inspection?

Inspector for commercial roofs

During a commercial roof inspection, inspectors evaluate the roofing system to assess its condition and identify potential issues (if any). Here are some areas inspectors typically focus on:

Roofing Materials – Inspectors examine the roof type and material condition, including membranes, shingles, tiles, or metal panels, to ensure they are intact and free from damage or deterioration.

Roof Structure – The roof’s structural integrity, including the decking, support beams, and trusses, can identify any signs of sagging, rot, or corrosion that could compromise the roof’s stability.

Flashing and Sealants – Inspectors check flashing around roof penetrations like vents, chimneys, skylights, and HVAC units, as well as sealants along seams and joints, to ensure they are installed and sealed to prevent water intrusion.

Drainage System – Proper drainage prevents water ponding and potential leaks. Inspectors evaluate gutter conditions, downspouts, scuppers, and drains to ensure they are clear of debris and functioning effectively.

Roof Penetrations – Any openings or penetrations in the roof, like vents, pipes, or equipment mounts, are inspected for leaks or damage signs that could compromise the roofing system’s integrity.

Insulation and Ventilation – Inspectors assess the insulation and ventilation system quality and condition to ensure they meet building code requirements and provide adequate thermal comfort and moisture control.

Safety Features – Safety measures like roof access points, guardrails, and fall protection systems are inspected to ensure compliance with OSHA regulations and protect workers during maintenance and repair activities.

Environmental Factors – Inspectors consider factors like tree overhangs, nearby construction activities, or environmental hazards that could impact the roof’s integrity and longevity.

The following is a more complete checklist of areas covered during a commercial roof inspection:

  • Overall roof membrane or material condition
  • Completing a core sample to discover roof composition
  • Seam and joint integrity in the roofing system
  • Proper drainage system to prevent water pooling
  • Flashing condition around HVAC units, vents, and other penetrations
  • Adequate insulation to meet energy efficiency requirements
  • Wear, tear, or puncture signs in the roofing material
  • Roof coating condition, if applicable
  • Roof access points and equipment properly functioning
  • Adequate roof slope to facilitate water runoff
  • Roof curbs, parapet walls, and other roof accessories conditions
  • Rooftop equipment assessment for potential damage or leaks
  • Rooftop penetration inspection for proper sealing and flashing
  • Compliance Verification with local building codes and regulations
  • Checking for any ponding water or excessive moisture signs
  • Evaluation of any rooftop vegetation or debris that could impact drainage or cause damage
  • Assessment for proper fire protection measures, if applicable

Conducting thorough inspections and addressing any issues allows commercial property owners to prolong the roof’s lifespan, maintain a safe and secure building environment, and avoid costly repairs or replacements in the future.

Inspections of commercial roofing systems

Commercial Roofing System Inspection

In this article, you discovered commercial roof inspection information, including why they are performed, when you need them done, who should conduct them, and what inspectors look for during one.

Scheduling commercial roof inspections keeps you ahead of potential roofing issues by keeping your roof in its best condition while extending its lifespan.

Failure to stay on top of regular commercial roof inspections will result in leaks and potentially catastrophic structural and internal damage.

Sources:
gsa.gov/real-estate/historic-preservation/historic-preservation-policy-tools/preservation-tools-resources/technical-procedures/checklist-for-the-routine-inspection-of-buildings
nrca.net/roofing-inspection-checklist
wbdg.org/guides-specifications/building-envelope-design-guide/roofing-systems-commercial-buildings

  New Image Roofing Atlanta
 

    2020 Howell Mill Rd NW Suite 232
    Atlanta, GA 30318
    (404) 680-0041
 
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Hot Tar Roofing – Everything You Need to Know

Looking for a durable, high-quality, and cost-effective roof? Knowing how hot tar is applied to built-up roofing systems gives you insight into the strength and longevity these roofing systems offer.

Hot tar or hot mop roofing with molten tar as an adhesive for roofing material

New Image Roofing Atlanta gathered information defining hot tar roofing, its benefits, and why finding a certified hot tar installer is crucial.

What Is Hot Tar Roofing

Used primarily in built-up roofing (BUR) systems and modified bitumen roofing, hot tar plays a vital role in protecting commercial, industrial, and residential buildings from the elements and extending the lifespan of roofing structures. However, applying hot tar requires specialized skills and knowledge, making it essential for roofers to be certified and insured specifically for working with this material.

Hot tar or hot mop roofing uses a torch to maintain elevated tar tempuratures

Hot tar roofing (molten asphalt or bitumen application) creates a waterproof membrane on a low-slope roof surface. The process begins by heating the asphalt to a liquid state, which is then applied to the roof substrate using mopping, spraying, or pouring methods. Multiple asphalt-saturated felt (or fiberglass) reinforcement layers are alternated with hot tar to build a durable roofing system.

Hot Tar Roofing Systems Benefits

Hot tar roofing systems offer several advantages that make them popular for commercial and industrial applications. Consider the following aspects:

Durability – Hot tar roofing provides excellent resistance to water infiltration, UV radiation, and thermal expansion and contraction, making it highly durable and long-lasting.

Versatility – Hot tar can adhere to various roofing substrates, including concrete, metal, wood, and insulation boards, making it suitable for multiple roofing configurations and designs.

Cost-Effectiveness – Compared to other roofing materials, hot tar roofing systems are relatively affordable to install and maintain, offering excellent value for property owners over the long term.

Seamless Application – Hot tar’s liquid nature allows for seamless application and tight integration with roofing components, minimizing leak and water damage risks.

Certification and Insurance

While hot tar roofing systems offer numerous benefits, their installation requires specialized skills, equipment, and safety precautions. Roofers must be certified and insured (specifically for working with hot tar). Here’s why:

Hot tar or hot mop roofing includes the application of molten tar to roofing materials

Technical Expertise – Installing and repairing hot tar roofing systems requires a thorough understanding of roofing principles, materials, and techniques. Certified roofers undergo extensive training and certification programs to develop the necessary skills and knowledge for working with hot tar safely and effectively.

Safety Compliance – Working with hot tar poses significant safety risks, including burns, fires, and fume inhalation. Certified roofers receive training in safety protocols, hazard awareness, and emergency procedures to mitigate these risks and ensure a safe working environment for themselves and others on the job site.

Note: Hydrogen sulfide can be produced from hot roof tar. However, the levels produced are not high enough to affect building occupants. Only levels inside an enclosed asphalt kettle may be high enough to pose severe health risks.

Quality Assurance – Hiring a certified and insured roofer for hot tar installation or repairs provides quality work and adherence to industry standards and best practice assurances. Certified roofers are held to high professional standards and committed to delivering superior results that meet or exceed client expectations.

Liability Protection – Roofing contractors who are certified and insured carry liability insurance coverage to protect against unforeseen accidents, property damage, and personal injury claims. This safeguards property owners from financial liability if accidents or mishaps occur during the roofing process.

Manufacturer Warranty Compliance – Many roofing material manufacturers require installation by certified contractors to validate product warranties. Hiring certified roofers ensures that your hot tar roofing system is installed according to manufacturer specifications, preserving warranty coverage and protecting your investment over time.

Finding a Certified and Insured Roofer

When selecting a roofing contractor for hot tar installation or repairs, it is essential to research and vet potential candidates carefully. Here are some tips for finding a certified and insured roofer:

Check Credentials – Verify the roofing contractor is certified by reputable industry organizations, like the National Roofing Contractors Association (NRCA) or the Roofing Contractors Association of America (RCAA).

Review Insurance Coverage – Ensure that the roofing contractor carries liability insurance and workers’ compensation coverage to protect against property damage and injuries on the job site.

Tip: Reputable roofing contractors will provide a COI (certificate of Insurance) for your roofing project upon request.

Request References – Ask for references from past clients and review online reviews and testimonials to gauge the roofer’s reputation and track record of quality work.

Get Written Estimates – Obtain detailed written estimates from multiple roofing contractors, including the scope of work, materials, timeline, and concise pricing breakdown. Compare proposals carefully before making an informed decision.

Ask About Warranty – Inquire about materials and installation warranty coverage, and ensure the roofing contractor stands behind their work with a written warranty or guarantee.

Hot tar or hot mop roofing uses heated tar to adhere roof materials

Hot Tar Roofing Systems

In this article, you discovered defining information about hot tar roofing, its benefits, and how to vet certified and insured roofers.

Hiring a certified and insured roofer (specifically trained in working with hot tar) is essential to ensure the roofing system’s safety, quality, and longevity.

Failure to understand hot tar roofing applications and properly vet roofing contractors may leave you with a poorly installed roof with a significantly reduced lifespan.

Sources:
hsrm.umn.edu/department-environmental-health-safety/industrial-hygiene/indoor-air-quality/roofing-odors
nachi.org/roofs.htm
asphaltroofing.org/recommendations-regarding-built-up-roofing-asphalt

  New Image Roofing Atlanta
 

    2020 Howell Mill Rd NW Suite 232
    Atlanta, GA 30318
    (404) 680-0041
 
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