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STEPS, CHECKLIST AND REPAIRS

COMMERCIAL ROOF MAINTENANCE

Commercial roof maintenance refers to the regular up keep and care of a commercial roof system to ensure its optimal performance, longevity, and protection of the building and its contents. It involves a range of activities such as inspections, cleaning, repairs, and preventive measures to identify and address any issues or potential problems. The goal of commercial roof maintenance is to proactively maintain the roof’s integrity, prevent damage, minimize the risk of leaks, extend its lifespan, and maximize its energy efficiency. A well-executed maintenance program helps preserve the value of the commercial property and minimize the need for major repairs or premature roof replacement.

Typically this involves several key steps to ensure the ongoing care and performance of the roof system. Here are the common steps of commercial roof maintenance:
  1. Regular Inspections: Conduct scheduled inspections to assess the condition of the roof. Inspections should include checking for signs of damage, leaks, deterioration, or any potential issues that may require attention.
  2. Clearing Debris: Remove any debris, such as leaves, branches, or other foreign objects, from the roof surface and gutters. This prevents clogging, water pooling, and potential damage to the roofing materials.
  3. Cleaning: Clean the roof surface to remove dirt, algae, moss, or other buildup. This helps maintain the roof’s appearance, prevent discolouration, and enhance its performance.
  4. Repairing Damage: Promptly address any identified damage, leaks, or issues. This may involve patching or replacing damaged roofing materials, fixing flashing, sealing leaks, or repairing any other areas of concern.
  5. Gutters and Drainage: Ensure that gutters and downspouts are clear of debris and functioning properly. This promotes proper water flow and prevents water backup or pooling, which can lead to roof leaks and damage.
  6. Maintenance of Roof Penetrations: Pay attention to roof penetrations such as vents, HVAC units, or skylights. Check for proper sealing, inspect flashing, and ensure they are properly secured and watertight.
  7. Preventive Measures: Consider additional preventive measures such as applying protective coatings or sealants to enhance the roof’s durability, weather resistance, and energy efficiency.
  8. Documentation: Keep detailed records of inspections, repairs, and maintenance activities. This helps track the roof’s condition over time, identify patterns, and plan future maintenance or repairs.
  9. Professional Assistance: When necessary, engage the services of professional roofing contractors or maintenance teams with expertise in commercial roof systems to perform more in-depth inspections, repairs, or maintenance tasks.
By following these steps and implementing a proactive maintenance plan, commercial property owners can effectively protect their roof investment, prolong the lifespan of the roof, and minimize potential costly damages or disruptions.
Here is a standard checklist for commercial roof maintenance:
  1. Conduct regular roof inspections, at least twice a year, in spring and fall.
  2. Remove debris, such as leaves, branches, and dirt, from the roof surface and gutters.
  3. Check for signs of damage, leaks, or deterioration, including cracks, blisters, or loose seams.
  4. Inspect flashing and seals around roof penetrations, such as vents, chimneys, and skylights.
  5. Clear gutters and downspouts of any blockages or build-up to ensure proper water drainage.
  6. Clean the roof surface to remove algae, moss, or other organic growth that can degrade the roofing materials.
  7. Repair any identified damage promptly, including patching leaks, replacing damaged shingles or membranes, or repairing flashing.
  8. Check the condition of rooftop equipment, such as HVAC units or solar panels, and ensure proper sealing and support.
  9. Verify that rooftop safety features, such as guardrails or anchor points, are secure and compliant with safety regulations.
  10. Consider applying protective coatings or sealants to enhance the roof’s durability and weather resistance.
  11. Maintain records of inspections, repairs, and maintenance activities for reference and tracking purposes.
  12. Schedule professional inspections and maintenance by qualified roofing contractors at least once a year or as needed.
  13. Stay proactive and address any identified issues promptly to prevent further damage and maintain the integrity of the roof system.
By following this checklist, you can establish a comprehensive maintenance routine for your commercial roof, ensuring its optimal performance, longevity, and protection.
A commercial roof maintenance plan is a structured and proactive approach to the ongoing care and management of a commercial roof system. It outlines a set of scheduled activities and procedures to ensure regular inspections, maintenance, and repairs are conducted to preserve the roof’s performance and extend its lifespan. The plan is typically tailored to the specific needs and characteristics of the roof and includes tasks such as inspections, cleaning, debris removal, repair work, and preventive measures. It may also include documentation, record-keeping, and coordination with professional roofing contractors or maintenance teams. A well-designed maintenance plan helps prevent costly damages, identify potential issues early on, and maximize the overall effectiveness and longevity of the commercial roof.
As a general guideline, it is recommended to have commercial roof maintenance conducted at least twice a year. The frequency of commercial roof maintenance can vary depending on factors such as the roof type, location, climate, and the condition of the roof. These maintenance sessions should typically occur in spring and fall to address any issues from winter or prepare for harsh weather ahead. However, certain roofs may require more frequent maintenance, such as those in areas prone to severe weather or roofs with specific vulnerabilities. Regular inspections and assessments can help determine the optimal maintenance schedule for each commercial roof.

Neglecting regular maintenance of a commercial roof can lead to various detrimental consequences:

  1. Increased Risk of Leaks: Without regular maintenance, small issues like cracks or damaged flashing can go unnoticed and worsen over time. This increases the risk of roof leaks, which can damage the interior of the building, disrupt operations, and lead to costly repairs.
  2. Accelerated Deterioration: Lack of maintenance allows minor problems to escalate, accelerating the overall deterioration of the roof. Factors like UV exposure, moisture, and temperature fluctuations can further degrade the roofing materials, shortening the roof’s lifespan and necessitating premature replacement.
  3. Structural Damage: A poorly maintained roof can compromise the structural integrity of the building. Water intrusion from leaks can damage the building’s framework, insulation, and electrical systems, potentially leading to more extensive structural repairs or compromising the safety of occupants.
  4. Higher Repair Costs: Neglected roofs often require more extensive repairs when issues are finally addressed. By not addressing minor problems early on, they can escalate into major issues that require costly repairs or even a full roof replacement.
  5. Increased Energy Costs: A poorly maintained roof can result in decreased energy efficiency. Damaged or deteriorated roofing materials can compromise insulation and ventilation, leading to heat loss or gain, and increased energy consumption for heating and cooling.
  6. Safety Hazards: Neglected roofs may pose safety hazards to building occupants and maintenance personnel. Loose or damaged roofing materials can become dislodged during severe weather, creating a risk of falling objects or accidents during subsequent inspections or repairs.

To avoid these consequences, regular roof maintenance, including inspections, cleaning, and timely repairs, is crucial. It helps identify and address issues early, extend the roof’s lifespan, maintain a watertight seal, and preserve the integrity of the building.

There are several typical maintenance repairs that may be required on a commercial roof:

  1. Patching and Sealing: Repairing small punctures, cracks, or holes in the roofing membrane or shingles to prevent water infiltration and further damage.
  2. Flashing Repair: Fixing or replacing damaged or deteriorated flashing around roof penetrations, such as vents, skylights, or chimneys, to maintain a watertight seal.
  3. Leaks and Moisture Intrusion: Identifying and repairing leaks or areas of moisture intrusion to prevent water damage, rot, or mould growth within the roofing system or building.
  4. Shingle or Membrane Replacement: Replacing individual damaged or worn-out shingles or sections of roofing membrane to restore the roof’s integrity and protect against leaks.
  5. Clearing Blocked Drains and Gutters: Removing debris, leaves, or other obstructions from drains and gutters to ensure proper water drainage and prevent water build-up on the roof.
  6. Repairing Rooftop Equipment Supports: Fixing or reinforcing supports for HVAC units, solar panels, or other rooftop equipment to ensure they are secure and properly installed.
  7. Coating and Sealant Application: Applying protective roof coatings or sealants to enhance the roof’s durability, weather resistance, and energy efficiency.
  8. Skylight Maintenance: Inspecting and repairing skylights, including seals, flashing, and any cracks or damage to prevent leaks or heat loss.
  9. Inspection and Repair of Roof Penetrations: Checking and repairing seals, flashing, or damaged areas around roof penetrations, such as pipes or conduits, to maintain a watertight seal.
  10. Preventive Maintenance: Conducting preventive measures such as roof cleaning, moss or algae treatment, or reinforcing vulnerable areas to proactively address potential issues and extend the roof’s lifespan.

It’s important to note that the specific maintenance repairs required will vary depending on the type of roofing system (e.g., flat roof, metal roof, shingle roof) and its condition. Regular inspections by qualified professionals can help identify and address maintenance repair needs specific to your commercial roof.

Common mastic asphalt roof maintenance repairs include:

  1. Patching and Resurfacing: Repairing areas of the mastic asphalt roof that have deteriorated, cracked, or developed holes by applying fresh asphalt layers to restore the roof’s waterproofing properties.
  2. Addressing Blistering or Bubbling: Resolving issues of blistering or bubbling in the mastic asphalt caused by trapped moisture or improper installation to prevent further damage and maintain the roof’s integrity.
  3. Crack and Joint Repair: Sealing cracks and joints in the mastic asphalt surface to prevent water infiltration and reinforce the roof’s waterproofing capabilities.
  4. Inspection and Repair of Flashing: Checking and repairing flashing around roof penetrations and edges to ensure a secure and watertight seal.
  5. Clearing Drainage Paths: Maintaining clear drainage paths and ensuring the proper functioning of roof drains and gutters to prevent water accumulation and potential damage.
  6. Regular Cleaning and Debris Removal: Removing debris, dirt, and other obstructions from the mastic asphalt surface to maintain its performance and prevent moisture retention.
  7. Application of Protective Coatings: Applying appropriate protective coatings to enhance the durability, weather resistance, and longevity of the mastic asphalt roof.
Common fibreglass roof maintenance repairs on a commercial roof include:
  1. Resealing or Reapplying Topcoat: Over time, the topcoat of a fibreglass roof may degrade or wear off. Reapplying a new layer of topcoat helps maintain the roof’s waterproofing and UV protection.
  2. Patching and Repairing Cracks: Inspecting the fibreglass surface for any cracks and repairing them with appropriate fibreglass patching materials to prevent water penetration and further damage.
  3. Addressing De-lamination: De-lamination occurs when the layers of fibreglass separate. Repairing de-lamination involves re-adhering the layers together using specialised adhesives and techniques to restore the roof’s structural integrity.
  4. Inspection and Maintenance of Flashing: Checking and repairing the flashing around roof penetrations and edges to ensure a tight seal and prevent water intrusion.
  5. Cleaning and Removing Debris: Regularly cleaning the fibreglass surface to remove dirt, debris, and vegetation that can accumulate and compromise the roof’s performance.
  6. Resealing Roof Penetrations: Ensuring that any roof penetrations, such as vents or pipes, are properly sealed and maintained to prevent leaks and potential water damage.
  7. Regular Inspections: Conducting routine inspections of the fibreglass roof to identify any signs of damage, wear, or other maintenance needs, and addressing them promptly.
By performing regular maintenance and addressing repairs promptly, fibreglass roofs can maintain their durability, longevity, and weather resistance, ensuring optimal performance and protection for commercial buildings.

Common industrial metal roof maintenance repairs include:

  1. Addressing Loose or Damaged Fasteners: Inspecting and tightening or replacing loose or damaged screws or fasteners to ensure the metal panels are securely attached to the roof structure.
  2. Repairing Metal Panel Damage: Fixing any dents, punctures, or other damage to the metal panels to maintain the roof’s integrity and prevent water infiltration.
  3. Sealing Roof Penetrations: Ensuring that roof penetrations, such as vents, pipes, or HVAC units, are properly sealed to prevent leaks and potential water damage.
  4. Inspecting and Maintaining Roof Flashing: Checking and repairing or replacing flashing around roof edges, valleys, and penetrations to maintain a watertight seal and prevent water intrusion.
  5. Addressing Rust or Corrosion: Treating any areas of rust or corrosion on the metal roof by cleaning, priming, and applying appropriate protective coatings to prevent further deterioration.
  6. Clearing Debris and Vegetation: Regularly removing debris, leaves, and vegetation that can accumulate on the roof surface to prevent moisture retention and potential damage.
  7. Inspecting and Cleaning Gutters and Downspouts: Clearing and maintaining gutters and downspouts to ensure proper water drainage and prevent blockages that can lead to water backup and potential roof damage.
  8. Checking Roof Expansion Joints: Inspecting and maintaining expansion joints to ensure they remain properly sealed and flexible, allowing for the roof’s natural movements without compromising its waterproofing properties.

No, a commercial roof survey is not the same as commercial roof maintenance.

A commercial roof survey involves a comprehensive assessment of the roof’s condition, typically performed by a professional roofing contractor or inspector. It aims to identify any existing or potential issues, such as leaks, damage, or deterioration, and provides a detailed report of the roof’s overall condition. The survey helps building owners or facility managers make informed decisions regarding repairs, maintenance, or replacement of the roof.

On the other hand, commercial roof maintenance refers to the ongoing activities and tasks performed to keep the roof in good condition and ensure its optimal performance. It involves regular inspections, cleaning, repairs, and preventive measures to address any issues identified during the survey or to prevent potential problems from arising. The goal of commercial roof maintenance is to extend the lifespan of the roof, minimize the risk of leaks or damage, and preserve the overall integrity of the roofing system.

While a commercial roof survey provides valuable information for decision-making, commercial roof maintenance is the ongoing process of taking care of the roof based on the survey findings and implementing a planned approach to keep the roof in a reliable and functional state.

There are several different types of commercial roof surveys:

  1. Visual Survey: This involves a visual inspection of the roof’s exterior and interior to identify any visible signs of damage, leaks, or wear.
  2. Infrared Survey: Infrared thermography is used to detect temperature variations on the roof surface, which can indicate moisture intrusion or insulation issues.
  3. Core Sample Survey: Core samples are taken from the roof to assess the condition of the roofing materials, identify layers, and determine their composition.
  4. Moisture Survey: This survey uses specialised equipment to detect and measure moisture content within the roofing system, helping to identify areas of potential leaks or water damage.
For maintenance purposes, a combination of visual and moisture surveys is typically recommended. A visual survey allows for a thorough inspection of the roof’s condition, identifying visible damage and wear. Incorporating a moisture survey helps detect hidden moisture and potential problem areas without visible signs of damage. By combining these surveys, building owners can prioritise maintenance efforts. This allows commercial roof repairs to be scheduled to address issues. This extends the roof’s lifespan and ensures optimal performance.
No commercial roof maintenance surveys will not always find problems. While surveys are designed to identify existing or potential issues, there are cases where the roof may be in good condition with no significant problems or immediate maintenance needs.
£300 is typically the minimum cost of commercial roof survey. However, it’s important to note that the actual cost may vary depending on various factors such as the size of the roof, its complexity, accessibility, and any additional services or specialised surveys required.
The most common problems on commercial roofs include leaks and water infiltration, often caused by damaged or deteriorated roofing materials, improper installation, or lack of regular maintenance. Other common issues include membrane cracks, blistering, ponding water, and poor drainage.
The most common problems on industrial metal roofs include cut edge corrosion, leaks and water infiltration, loose or damaged fasteners, improper installation or flashing, and coating deterioration. Metal roofs are susceptible to rust and corrosion over time, especially in areas with high humidity or exposure to harsh weather conditions.
If you would like a quotation or any information regarding commercial roof maintenance please get in touch with us or call us now on 01382 238730. One of our roofing consultants who specialist in commercial and industrial buildings will be delighted to help you.

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