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What is include in my home inspection with Quality Home Inspections of East Tennessee?

What to Expect on the Roofing Inspection Roane County, TN Quality Home Inspections

The roof inspection portion of the home inspection covers the visible aspects of the home's roofing system. During the roof inspection I will be looking at the general condition of the roofing material and looking for current issues and areas that could be problematic later on.  The primary job of a roofing system is to shed water. Roofs aren't meant to be air tight or water proof, but should shed water down to the gutters where the water can be safely directed away from the house. If water gets hung up anywhere on the roof it can cause water leaks into the attic. For example, a  wide chimney missing a chimney cricket can capture water and hold it on the roof long enough to create a leak.

Typically, asphalt shingles have a life expectancy up to 20 years. Architectural asphalt shingles can have a life expectancy up to 30 years. Of course, extreme weather conditions, moss, and trees that are too close can shorten these life expectancies. Metal roofs can have life expectancies ranging from 40-80 years, but keep in mind roofs of all types occasionally need maintenance.

Below are some common defects that may show up on your home inspection report.

I want to see a drip edge on the edge of the roof to protect the wood from rotting due to contact with moisture. Below is an example of a missing drip edge.

Moss growing out of the shingles is an obvious defect that we run into a lot.

Moss holds moisture down onto the shingles, which can shorten their life expectancy, and, over time, its presence can create points of water penetration through the roof. Ridding your roof top of moss growth should be part of your regular roof maintenance along with making sure your gutters are cleaned out.

How do I keep moss off my roof?

For asphalt shingled roofing, nail pops are one of the issues that stand out to an inspector. Nail pops is a nail that hasn’t been fully driven down. With this condition, you will notice that shingles do not lay flat. You‘ll see one side or the other sticking up slightly. This condition can create an opportunity for water to enter into the roofing system.

On metal roofs I pay particular attention to the screws. Are they too loose or too tight. If they are too loose that could allow water to get in, or worse make the roof less structurally sound in the event of a wind storm.

Below is an example of vent pipe flashing that is not covered correctly by the roofing shingles.

Another part of the roofing inspection is satellite dish connections. You could have a leak in your attic and not know it, simply because fasteners on your satellite dish were not properly installed. It’s best to avoid installing a satellite dish on your roof to start with, but if you have one already it is a good idea to monitor your roof in that area closely. The screws should be sealed with a roof patch tar or a material specifically designed for sealing to asphalt. Besides screws leaking, satellite dishes tend to create a barrier to water, preventing it from running straight down and off your roof as quickly as it normally would. Water can pool up at the base of a dish and this can lead to a roof leak eventually.

Below is another example of a defect that if found would be reported on your home inspection report. Tree limbs should not touch or hover over a roof.

This defect can cause the roof to deteriorate faster underneath the tree limb due to moisture build-up. Also tree limbs hovering over a roof could fall and cause damage to the roof.

Your inspection report will combine everything observed in every visible area of the home to give you a full picture of the condition of the home. For example, your report will reflect the findings in the attic space and how they relate to the roof. Most signs of leakage are most readily observed in the attic and can usually be tracked back to problematic areas listed above such as failed flashing, satellite dish connections, lack of chimney cricket, etc.

To schedule a home inspection in the Roane County or Knoxville, Tennessee area call

Quality Home Inspections serves the East Tennessee area of Roane, Loudon, Knox, Anderson, and Cumberland counties which includes the cities of Knoxville, Oak Ridge, Kingston, Harriman, Rockwood, Oliver Springs, Midtown, Lenoir City, and Crossville, Tennessee.