A commercial roof is an essential part of any building, providing protection and insulation for the entire structure. However, critters like rodents and birds can be a serious threat to your roof’s integrity. They can cause damage, compromise the building’s insulation, and even create hazardous conditions for tenants or workers. Fortunately, there are multiple steps you can take to deter these unwanted visitors and protect your roof. Here’s a guide on how to keep animals and birds from damaging your commercial roof.

Regular Inspections: One of the most effective ways to prevent damage from animals and birds is through regular inspections. Schedule periodic roof checks to identify any signs of animal activity, such as nests, droppings, or chew marks. Catching a problem early allows you to address it before significant damage is done. Inspections should focus on damaged vents or vents without screens, as critters can often enter through unsealed or poorly sealed areas. You should also look for holes in the roof, as even small gaps can provide easy access. Leaves and debris should be removed as they can create places for critters to hide and nest.
Seal Entry Points: Critters such as squirrels, rats, and birds often gain access to commercial roofs through small holes or gaps. Once inside, they can cause damage to the roof’s membrane, insulation, or ventilation systems. Sealing all potential entry points is a critical preventive measure. This includes sealing gaps around pipes, vents, and HVAC systems, which are common entryways for critters. Also, whether caused by weather or wear and tear, holes should be sealed promptly and mesh screens installed on vents to prevent birds from building nests in air ducts.
Trim Nearby Trees: Trees that overhang or are near your commercial building provide an easy access route for critters and birds. Branches can act as bridges for animals like squirrels or raccoons, who may then leap onto the roof. To reduce this risk, trim branches regularly, keeping them at least 6 to 10 feet away from your roof. Also, remove dead trees, as a decaying tree is more likely to fall or provide an unstable pathway for animals to access the roof.
Install Bird Deterrents: Birds can pose a significant threat to commercial roofs. They may nest in roof drains, vents, or HVAC units, leading to clogged systems, water damage, and a mess of droppings. To keep birds at bay, consider installing bird spikes, which make it uncomfortable for birds to land on your roof. Netting can also be installed around areas that birds commonly frequent, preventing them from nesting. Visual deterrents such as reflective tape, scare balloons, and predator decoys can frighten birds away as well.
Use Rodent Repellents: Rodents can cause significant damage to your commercial roof. They often chew on wiring, insulation, and even roofing materials, which can lead to costly repairs. To prevent rodents from making a home on your roof, install rodent traps where signs of rodents have been noticed. Ultrasonic repellent devices which emit sounds that are unpleasant for rodents but inaudible to humans are also effective.
Gutter and Drain Maintenance: Clogged gutters and drains are often overlooked but can be a haven for pests. Standing water in gutters or on the roof can attract mosquitoes, insects, and even small mammals looking for water sources. To keep critters away, ensure that gutters are cleaned regularly. Remove leaves, debris, and any other material that could block water flow, and ensure water is properly draining from the roof and downspouts to avoid standing water.
Professional Pest Control: It may be beneficial to hire professional pest control services to ensure your roof is protected from critters. Professionals can provide preventive treatments to discourage infestations before they start and identify potential vulnerabilities.

Protecting your commercial roof from animals and birds is crucial for maintaining the building’s integrity and preventing costly repairs. Taking proactive steps will not only protect your roof but also contribute to the long-term health and durability of your building.

If you are interested in scheduling a comprehensive inspection of your commercial roof, call Unicoat Industrial Roofing today.