Roof Inspection, Renoteck Roofing

Roof Inspection 101

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Ever wondered if your roof needed some maintenance but never knew what to look for? Here’s some quick tips to get you started on a roof inspection.

The first step to a roof inspection is not inspecting your roof. Before you begin looking around, find your files first to get a better understanding of what is to be expected. Do you have the paperwork required or a copy of the warranty? If inspectors, roofing contractors or architects have done work on your roof previously, do you have their names and phone numbers? Is there a drawn-to-scale roof plan that shows not only the locations of previous leaks and repairs, but also equipment (vents, furnace stacks etc) on the roof?

Next, walls and glazing inside the home should be checked. Walls and sealants may be the culprit of potential leaks, but are easily disguised as roof leaks. Things to look out for are cracks or water stains in affected areas. Pay special attention to pipes, conduit and other items which penetrate through walls. These areas may have been left unsealed, especially when installed as retrofits.

Now You May Begin Your Roof Inspection

Take a look at the roof overall. Is there debris such as leaves, plants and twigs on the roof? These are tell-tale signs that your roof requires a little more loving. What about granule coating? Is there any? If so, is it intact? Is there any gravel or ballast, and is it evenly distributed across the surface of your roof? Coating is protects your roof from the sun’s ultraviolet radiation. Lack of coating on a roof is one of the most common reasons asphalt shingles begin to age and break down.

Take a look at the drainage system to see if there are areas of standing water that seems to just sit there. One of the possible causes of this is gunk that is stuck in or around the drains. If left long enough, standing water can pull the chemicals from your roof that keep it pliable. If left even longer, the water may begin to seep through, ranging from minor drips to wet insulation producing mold and other headache-inducing risks.

Pay special attention to details such as changes in the membrane and metal. Be mindful of any material that has been penetrated, or is beginning to dip. Are there punctures, tears or scrapes in the membrane? Check for unsealed laps both in the vertical part of the flashings and also where the flashing terminates on the field of the roof. Improper flashing installation, including failure to fasten it properly, and improper adherence to the wall or curb is the most common cause of leaks. Another symptom is diagonal wrinkles in the flashings. This is caused by the roof deck and wall moving independently of one another. Eventually these wrinkles will manifest themselves into cracks and ultimately, leaks in your roof.

Are there expansion joints running across your roof? Some roofing contractors do not terminate the expansion joints correctly, resulting in cracks at the ends. Inspect the rubber bellows for any cuts and open laps.

Finally, where there are penetrations, such as pipes and equipment stands, confirm that there is plenty of sealer that is pliable, without cracks. Check alternate flashings, for cracks, holes and failed sealants.

Follow these guidelines for a comprehensive checklist while inspecting your roof. Renoteck Roofing can provide all the services you need to repair any damage to your roof. Only regular inspections and maintenance will ensure a leak free roof.

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