Avoid severe structural damage and tenant complaints when your apartment building’s roofing system ages and leaks. Understanding when multi-family dwellings like apartment and condo buildings a roof replacement helps prevent structural water damage, annoying leaks, and angered tenants.

Apartment building shingle roofing

New Image Roofing Atlanta gathered information about when an apartment building’s roof should be replaced, how maintenance programs help save money, the asphalt shingle roof installation process, and the different shingle types best suited for apartment buildings.

Signs an Apartment Building Roof Needs to Be Replaced

Commercial apartment building aging asphalt shingle roofing

As a roofing system endures extreme weather and ages, it will begin showing signs that it is reaching its functional limit. The following signs will help determine when your apartment building’s roofing system should be replaced.

1. Aging and Lifespan

Asphalt shingles typically last between 20 and 30 years. If your roof is nearing or has exceeded this age range, it’s likely time for a replacement.

2. Curling or Buckling Shingles

Shingles curling at the edges or buckling are weathering and potential failure indicators. This can lead to water infiltration and further structural damage.

3. Missing Shingles

Commercial apartment building missing and damaged asphalt shingle roofing

Missing shingles expose the roof to the elements, leading to leaks and severe structural damage. If shingles frequently come off, the roof may need a replacement rather than repairs.

4. Granule Loss

Asphalt shingles are coated with granules that protect them from UV rays. Finding granules in gutters or downspouts indicates significant wear. Bald spots on shingles where granules are missing signal that the shingles are failing.

5. Water Leaks and Stains

Commercial apartment building asphalt shingle roof leak

Water stains on ceilings or walls inside the building suggest the roof no longer provides adequate protection. Persistent leaks, especially after rainstorms, signal that the roof needs replacement.

6. Sagging Roof Deck

A sagging roof deck points to serious structural issues. This could be due to prolonged exposure to moisture or severe damage to the underlying supports, necessitating immediate roof replacement.

Why You Should Have a Maintenance Program

Inspection and maintenance commercial apartment building asphalt shingle roofing

Maintenance programs pay for themselves over time by addressing minor issues before they develop into significant repairs and staving off premature replacements. Here are five other reasons to sign up for a roof maintenance program:

1. Prolongs Roof Lifespan

Regular maintenance, including inspections and minor repairs, can extend your asphalt shingle roof’s lifespan. Identifying and addressing issues before they escalate prevents premature roof failure.

2. Cost Savings

A proactive maintenance program is more cost-effective than emergency repairs or a roof replacement. Regular maintenance helps avoid significant damage that could result in costly repairs.

3. Preserves Building Integrity

A well-maintained roof protects the apartment building’s structural integrity. Preventing leaks and moisture infiltration keeps the building safe and habitable for residents.

4. Increases Safety

Ensuring the roof is in good condition prevents potential hazards like falling shingles or structural collapse, keeping residents safe.

5. Improves Energy Efficiency

A well-maintained roof provides improved insulation, reducing heating and cooling costs. This is significant for apartment buildings where energy efficiency can significantly impact operational costs.

Apartment Building Roof Replacement Process

Commercial apartment building replacement process asphalt shingle roofing

Understanding an apartment building’s roof replacement preparation, steps, and progression helps property managers or owners inform residents when and how long to expect activities and noise during a roof replacement. Here is how the process goes:

1. Inspection and Assessment

A professional roofer inspects the roof, assessing damages and determining if a replacement is necessary. This includes examining the shingles, underlayment, and roof deck.

2. Choosing the Right Shingles

Property managers or owners must select the appropriate asphalt shingles based on durability, aesthetics, and budget. Options include three-tab shingles, architectural shingles, and luxury shingles.

3. Installation or Repair Estimate and Budgeting

Obtain detailed estimates from reputable roofing contractors. Budgeting the project includes materials, labor, permits (where required), and potential additional costs for structural repairs.

4. Scheduling the Replacement

Coordinate with the roofing contractor to schedule the replacement. Consider weather conditions and minimize disruption to residents by planning the work during suitable times.

5. Preparation

Ensure the site is prepared for the roofing project. This may involve:

  • Moving vehicles
  • Preserving landscaping
  • Protecting trees and surrounding soil
  • Determining sufficient space for dumpsters and/or lifts or cranes
  • Notifying residents of the work schedule

Tip: Always verify local land and tree preservation ordinances during any construction project (including roof repair and/or replacement).

6. Removing Old Roofing

The existing shingles and underlayment are removed. The roof deck is inspected for damage and repaired as needed. This step is crucial for ensuring a solid foundation for the new roof.

7. Installing New Underlayment

A new underlayment is installed for protection against moisture. This helps in extending the life of the new shingles.

8. Installing New Shingles

Installation commercial apartment building asphalt shingle roofing

The new asphalt shingles are installed according to manufacturer specifications. This ensures proper alignment, nailing, and sealing for maximum durability and performance.

9. Final Inspection and Clean-Up

After installation, a final inspection ensures the roof meets quality standards. The site is cleaned up, and any debris is removed. A professional roofer will check for any issues and make necessary adjustments.

10. Warranties

After a final inspection and the final payment, labor and material warranties are issued to the property manager or owner.

Watch this video to see a recent apartment complex’s roof replacement by New Image Roofing Atlanta.

Asphalt Shingle Types

Asphalt shingle roofing systems for apartment or condo buildings offer numerous benefits, including durability, cost-effectiveness, and visual appeal. Knowing the different shingle types available in the market and their advantages and disadvantages can help make informed decisions for the building’s roofing needs. Consider the following shingle types:

1. Three-Tab Shingles

Commercial apartment building asphalt three tab shingle roofing

Description: The most basic and economical option, featuring a flat appearance with a uniform shape.

Advantages – Cost-effective, easy to install, and suitable for various architectural styles.
Disadvantages – Shorter lifespan and less durability compared to other types.

2. Architectural Shingles

Commercial apartment building architectural asphalt shingle roofing

Description: Also known as dimensional or laminate shingles, these offer a layered, three-dimensional look.

Advantages – More durable, longer lifespan, and aesthetically pleasing with various styles and colors.
Disadvantages – Higher cost compared to three-tab shingles.

3. Luxury Shingles

Commercial apartment building asphalt luxury shingle roofing

Description: High-end shingles that mimic natural materials like slate or wood shake.

Advantages – Superior durability, enhanced aesthetic appeal, and extended warranties.
Disadvantages – The most expensive option, requiring a higher initial investment.

Note: Steel and metal roofing systems have an increased potential for rust formation. This is due to their iron content that mixes with environmental oxygen and water. However, this is never the case with asphalt shingles.

Read more about asphalt shingle production and types at newimageroofingatlanta.com/residential-roofing-what-you-need-to-know

Asphalt Shingle Roofs for Apartment Buildings

In this article, you discovered crucial information about when an apartment building’s roof should be replaced, how maintenance programs help save money, the asphalt shingle roof installation process, and shingle types best suited for apartment or condo buildings.

Knowing the signs indicating a roof needs replacement, a roof maintenance program’s value, and the roof replacement process are crucial for property managers and owners.

Ignoring your apartment or condo building’s roofing needs will leave you with leaking roofing systems, severe structural damage, and angry tenants.

Sources:
basc.pnnl.gov/resource-guides/asphalt-shingle-roofs
portfolio.newschool.edu/ruthd/2023/10/28/3-good-reasons-to-install-asphalt-shingle-roofing
asphaltroofing.org/a-simple-guide-to-understanding-your-asphalt-shingle-roofing-system
owenscorning.com/en-us/roofing/shingles

  New Image Roofing Atlanta
 

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

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
 

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 AssuranceHiring 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
 

Prevent sweltering summer heat from damaging your low-slope (flat) roofing system. Understanding how summer heat adversely affects low-slope roofing will help you take steps to prevent cracking, peeling, leaks, and structural water damage.

Low slope roof summer protection includes annual inspections and repairs

New Image Roofing Atlanta gathered information about how extreme summer temperatures can damage your low-slope roofing system and what you can do to protect and preserve it.

Low-Slope Roofing System Vulnerabilities in Hot Summers

Low-slope roofing systems (TPO, EPDM, PVC, BUR, Duro Last) are inherently more vulnerable to issues during hot summers. The intense heat, prolonged exposure to UV radiation, and thermal expansion and contraction can contribute to multiple challenges, including the following:

1. Thermal Expansion and Contraction – High temperatures can cause roofing materials to expand, and during the cooler evenings, they contract. This constant thermal cycling can lead to stress on the roofing materials, potentially resulting in cracking, warping, and other structural issues.

2. UV Radiation Damage – Prolonged exposure to the sun’s UV radiation can accelerate the aging of roofing materials. UV rays can cause shingles, membranes, and other components to deteriorate, lose flexibility, and become more susceptible to damage.

3. Heat Absorption – Low-slope roofs, especially those with dark-colored surfaces, can absorb and retain heat. Excessive heat absorption can lead to elevated indoor temperatures, increased energy costs, and potential damage to roofing materials over time.

dark roofing material in hot summer weather

4. Membrane Degradation – Membrane roofing systems, commonly used in low-slope roofs, may experience degradation due to high temperatures. This can result in reduced waterproofing effectiveness and an increased risk of leaks.

5. Flashing and Sealant Issues – Extreme heat can cause flashing and sealants to soften and lose their effectiveness. This compromises the waterproofing capabilities of the roof, leading to potential leaks and water infiltration.

Tip: A roof maintenance program with annual inspections allows for early issue detection and repair.

Low-Slope Roofing System Protection in Hot Summers

Protecting low-slope roofing systems in hot summers requires a proactive approach. By understanding your roof’s vulnerabilities and implementing preventive measures, you can safeguard your property from potential severe damage. Consider the following measures:

1. Reflective Roofing Materials – Choose reflective roofing materials with a high solar reflectance index (SRI). Light-colored or reflective surfaces can help minimize heat absorption, reducing the impact of high temperatures on the roof.

Reflective roof material is recommended for hot summers

2. Cool Roof Coatings – Apply cool roof coatings to existing low-slope roofing systems. These coatings have reflective properties that can deflect sunlight and reduce heat absorption. Cool roof coatings also provide additional protection against UV radiation.

3. Proper Insulation – Adequate insulation beneath the roof can help regulate indoor temperatures and reduce heat transfer to the building’s interior. Proper insulation contributes to energy efficiency and minimizes the strain on cooling systems.

4. Enhanced Ventilation – Improve roof ventilation to facilitate air circulation and reduce heat buildup. Adequate ventilation helps dissipate trapped heat and minimizes the risk of thermal stress on roofing materials.

5. Regular Roof Inspections – Schedule regular inspections to identify and address potential issues before they escalate. Look for signs of wear, damage, or deterioration in roofing materials, flashings, and sealants.

6. Shade Structures – Consider installing shade structures, like awnings or pergolas, to shield your low-slope roof from direct sunlight. These structures relieve extreme heat and offer additional protection against UV radiation.

7. Roof Coatings for Membranes – For membrane roofing systems, apply coatings designed to protect against UV radiation and enhance durability. These coatings create a barrier that shields the membrane from the harmful effects of the sun.

8. Solar Reflective Shingles – If your low-slope roof is shingled, opt for solar reflective shingles with reflective granules. These shingles are designed to reflect more sunlight and absorb less heat, helping to maintain a cool roof.

Tip: Severe summer storms can cause extreme temperature fluctuations. When such a storm passes, schedule a roof inspection to identify and repair any damages.

When to Call Your Roofer

Low slope roofing repairs and maintenance in hot summer weather

1. Visible Signs of Damage – If you notice visible signs of damage like cracked or warped shingles, blistering membranes, or deteriorating flashings, it’s time to call your roofer. Prompt attention to visible damage can prevent further issues.

2. Leakage and Water Infiltration – Water leaks inside the building during hot weather are urgent issues that require immediate attention. If you observe water stains on ceilings or walls, contact your roofer promptly to identify and address the source of the leaks.

3. Flashing and Sealant Concerns – If you have concerns about the condition of flashings and sealants on your low-slope roof, consult with your roofer. These components are critical in maintaining a watertight seal, and any issues should be addressed promptly.

4. Structural Integrity Issues – Call your roofer when you suspect structural integrity issues (sagging, bowing, or ponding). Structural concerns pose significant risks and should be addressed promptly to prevent further damage.

5. Regular Maintenance and Repairs – Schedule regular maintenance with your roofer, especially after periods of extreme weather. Professionals can identify potential issues early on and recommend preventive measures to protect your low-slope roof.

For more information about commercial and residential roof maintenance, visit newimageroofingatlanta.com/roofing-services/roof-maintenance

Heat Stress on Low-Slope Roofs

In this article, you discovered how low-slope roofs are vulnerable and can be damaged by brutal summer heat, measures to protect them, and when to call your roofer.

Understanding how low-slope roof membranes react to summer heat and extreme temperature variations allows you to install preventive measures to ensure your roof’s integrity.

Neglecting your low-slope roof through the summer months can lead to leaks and severe structural damage from cracks and fissures in your roof membrane.

Sources:
ncbi.nlm.nih.gov/pmc/articles/PMC9003350
gsa.gov/real-estate/historic-preservation/historic-preservation-policy-tools/preservation-tools-resources/technical-procedures/types-of-flat-roofing-and-factors-affecting-its-deterioration

  New Image Roofing Atlanta
 

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