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3 Reasons It's Time to Replace Your Home's Asphalt-shingled Roof

Asphalt Roofing
Keeping nature's elements from making their way into your home is one of the first priorities of every homeowner, and your home's roof is the barrier to keep your family and your possessions inside safe. Unfortunately, many forces can be at work on your roof to cause it to fail. Here are three scenarios you may be dealing with that can cause your roof to need a shingle replacement.

1. Harsh Local Climate

The local climate can cause your weather to switch from extreme heat in the summer to frigid temperatures in the winter. Both situations can put excessive wear on your roofing shingles to cause them to curl up and soften to require replacement sooner.
During winter, ice dam formations on a roof occur when snow melts and flows down your roof to the cold edge where it freezes into ice. This continual melting and re-freezing process on your roof's edges causes ice to form under and around your shingles. This can put excess stress and wear on the shingles and damage them. And ice dams can form with only 1 to 2 inches of snow accumulation on your roof, followed by a few days of below freezing temperatures. So you don't need to live in a climate that has excessive amounts of snow to experience ice dams.
Extreme heat from full summer sun exposure is also a factor that can cause your roof to age more quickly. The sun's ultraviolet rays can lead to deterioration to the shingle's layers, leading to curling and rot, especially on darker-colored shingles.

2. Mature Trees and Yard Landscaping

Another consideration for replacing your asphalt roof is if your yard contains a number of trees. Trees that may overhang your home can cause damage to an asphalt roof when debris, such as leaves and branches fall upon it. The tree's debris can trap moisture in roofing materials to lead to moisture damage and rot.
Mature trees, especially coniferous trees in your yard, can also cause debris to fall onto your roof and collect in the gutters. Excessive debris in the gutters can clog them to cause water to overrun the gutters, backing up into the shingles and lead to additional moisture damage under your shingles.
Trim back your trees when they overhang or touch your roof to prevent damage, clean out the gutters, and consider replacing your roof when it becomes aged from excessive organic debris and its related deterioration.

3. Age and Shingle Layering of Your Roof

It may be time to consider replacing your asphalt roof with a new roofing material if your roof is becoming advanced in age. An asphalt shingle roof can last anywhere from 20 to 30 years, depending on the climate in your area and other factors. You can get a good indication of your roof's condition by looking at it from your yard. If you notice your roof has darker or discolored areas or it looks rough in patches due to peeling of the shingle's edges, you should have it inspected by a roofing professional and likely replaced.
If your roof has been re-shingled in the past with the new layer of shingles applied onto the old layer, you should have the layers scraped off and replaced with new shingles. Some areas of the country prohibit applying more than two layers of shingles on your home due to safety issues, especially as the weight of the shingles can place too much strain on your home's structure.
Adding another layer of shingles onto the old also prevents your roofers from discovering any damage to the roofing deck, and it can trap existing moisture into your roof's layers to put your roof in risk of further moisture damage. By removing the old layer of shingles and roofing felt, your roofers can inspect and replace the plywood roofing deck if they discover any moisture damage. Installing a new ice and moisture roofing barrier will provide further protection to your roof and home interior.
For protecting your home's interior, the condition of your roof is truly the first line of defense. Talk to a roofing professional at Carroll Roofing Company, Inc. for a quote and information about the services appropriate for your situation.