Maximize Roof Service Life

Manage Your Roof Assets
When properly designed, constructed, and maintained, a roof should perform for longer than 20 years. However, based on a roof longevity study conducted by Ducker Worldwide, a market research, strategy consulting, and financial advisory firm, the average service life of a commercial roof is approximately 17 years.

Many companies pay attention to their roofing assets only when it nears time for replacement. With the knowledge available and companies scrutinizing every capital and expense dollar, this is short-sighted and could cost you.

The unfortunate reality is that most roof systems fail prematurely, not as a result of old age. Early failures are often the result of not having a roof management program that entails professional design, construction quality control, and ongoing preventive maintenance.

The lack of proper care and planning costs companies millions of dollars every year. It also increases risk of loss to property and production.

Implement a comprehensive roof management program that consists of planning, design, construction, and maintenance. Doing so provides a solid foundation for minimizing your expenditures while maximizing the service life of your roof assets.

Assess and Plan for Success
Start your plan with a solid foundation by completing a proper assessment and inventory of the existing roof conditions. By setting a baseline, you will have the necessary information and establish confidence to justify budget funding requests. You will be able to effectively track long-term roof performance and demonstrate good stewardship of company funds.

A comprehensive roof assessment should include the following information: a report including roof condition, history, construction, deficiencies, design plans, recommended actions, budgets, and photos. Facilities managers and owners who don’t have objective information may find themselves using products or systems that could be overpriced, replacing roofs that could have been repaired, or allowing damage to the structure to occur by not acting sooner.

Gathering accurate information during the assessment is extremely important, as it will impact all future decisions. It is important to qualify and verify that the individuals who are gathering information are objective, well trained, and technically sound.

After a comprehensive roof assessment, you have equipped yourself with information to rely and build on when requesting funding, tracking roof performance, and managing risk.

Maintain to Delay Replacement
The cheapest roof you will ever own is the one that already resides on your facility. Keeping it in serviceable condition will allow the roof to meet or exceed its intended service life.

But unfortunately, the old adage “out of sight, out of mind” can be applied to roof maintenance at many facilities. Employees are busy and have many responsibilities, and often have little training and understanding of all that roof maintenance involves. Thus, unless the roof is leaking or is negatively impacting operations, it is often forgotten.

Real-Life Roofing Disasters

Not staying on top of your roof concerns can result in lost revenue, damaged infrastructure, and compromised employee safety. Many of the following failures were the result of leaks and could have been avoided:

  • Hotel went without top level room availability for three weeks.
  • Retail store lost $40,000 in damaged products.
  • Manufacturing production was shut down, resulting in $700,000 in losses.
  • Food processing facility was shut down because moisture caused contamination.
  • Several occupants have slipped and fallen, sometimes resulting in costly claims.
  • Schools have been closed because of mold and mildew growth.
  • Millions of dollars of structural damage from moisture at a paper mill.
  • School lost use of gym and had to replace the compromised floor for over $500,000.
Poorly maintained and leaking roofs can result in reduced roof life, significant structural damage, slip and fall safety hazards, lost revenues due to inventory damage, and conditions that allow mold and mildew growth. In addition to the obvious financial impact to your business, these issues can also negatively impact how the company is perceived by employees and the community.

Studies show that roofs comprise only approximately 5% of a facility’s construction cost, yet roof defects can account for up to 50% of legal claims related to a facility. Further, more than one-fourth of facility capital expenditures are dedicated to correcting roof problems.

Start by implementing a basic preventive maintenance program consisting of yearly inspections, identification of deficiencies, and timely and proper repairs. The sooner you begin maintaining your roof, the sooner it will begin paying off in reduced leaks, extended roof life, avoided repair or replacement costs, and fewer headaches.

Reroof Properly for Longevity
When it is no longer possible to maintain a failing roof, the replacement process begins. Designing and constructing durable, sustainable roof systems starts with understanding criteria such as building use, physics, climatic exposure, and occupancy influences.

Selecting the appropriate roofing components and making sure they conform to applicable codes and insurance requirements are part of the roof designer’s responsibility, but it is important for you to be well-versed in these guidelines as well.

During the design process, make sure the roof designer understands your goals and evaluates potential design criteria in the following five categories: code, compliance, energy performance, material selection, water management, and durability.

Incorporate into the specification the appropriate details for flashings, wall penetrations, and transitions. Poor detailing or lack of proper instructions can result in roof leaks, shortened roof life, and other performance problems.

Ensure Sound Installation
Prior to the construction phase of a reroofing project, develop a strategy to verify that the project is installed safely, on schedule, and as specified.

It has been well publicized that the contractor’s most challenging task is attracting and retaining skilled workers. Roofing is a demanding, difficult, and dangerous job. It’s important for all architects, contractors, and workers to be on the same page with you and your expectations.

To reduce the risk of having a poorly executed project impacting your business and to confirm that your roof system is installed correctly, consider using a quality assurance program.

Companies in the process of managing their roof assets should take the necessary steps and precautions to ensure they are spending available funds wisely while reducing potential risk. Implementing a roof management program, incorporating lifecycle costing alternatives, and identifying potential business risks doesn’t guarantee funding approval. However, having objective information can be persuasive in demonstrating the value of your roof assets and justifying funding for your efforts.


Eric Hasselbusch is an account manager with Benchmark Inc., a professional roof and pavement consulting firm, and has been in the roofing industry for over nine years. He can be reached at 319-393-9100 or


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