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How long do asphalt shingles last? The immediate answer is between 15 and 25 years, depending on the conditions to which they are exposed. There are even cases where these shingles can leak, but this does not necessarily mean that we have to replace the entire roof if they remain within their useful life.
The roof in the houses is generally an element that is only taken into account when it is too late to do small repairs, which means that we have a large number of leaks in the construction.
A common mistake is the assumption that since the roof’s lifespan is 30 years, we don’t have to do frequent inspections to determine the status. This is wrong because, regardless of the roof’s guarantee, there are always factors that can shorten its lifespan.
The National Roofing Contractors Association recommends that all owners conduct two annual roof inspections, one in the spring and one in the fall, so that we can check that the construction can withstand the cold of winter and the scorching heat of summer.
When it comes to ceilings, asphalt is perhaps one of the most common materials for its construction. This allows the structure to be made waterproof and there are many different shapes and colors.
Although a roof built with asphalt shingles has considerable durability and strength, it won’t last forever. How long does a roof last? We will answer this question in more detail below so that you can become an expert in roof construction.
How long do asphalt shingles last? Let’s find out
Not all asphalt shingles are the same
Image source: Patriot roof
The market is saturated with asphalt or composite shingles. These are economical and, as already mentioned, have a variety of designs, so we can install them in practically any house.
The average lifespan of an asphalt shingle is shorter than that of other types of roof. However, this can be increased depending on the type selected. Among the various options available are:
– 3-tab shingle: This is the most basic asphalt shingle. These are not very thick or resistant, which makes them practically disposable. Although their lifespan is between 10 and 20 years, they are the most economical, so they are not difficult to replace. These do not support winds above 70 MPH, so they are mainly used in temperate regions.
Image source: Custom home group
– Architectural shingles: The thickness of the architectural shingles is greater than that of the previous option, which makes them much more durable for different climates. Its lifespan extends over 5 years and can last between 15 and 25 years. They are also known on the market as dimensional shingles.
– Premium asphalt shingles: the most expensive and long-lasting alternative. These shingles seem to be made of natural slate due to their thickness and lamination. The great advantage of these shingles is that their useful life is up to 50 years.
How often should I replace my roof?
Here are some tips to help you know when is the best time to change your roof.
When was the last change?
Image source: Tyler Karu Design + Interiors
How long do asphalt shingles last? Ask yourself this question as you remember the last time you changed or repaired your roof. Remember that an asphalt roof can cause serious errors after 20 years. Therefore, it is important to remember the date you installed it.
If you’ve previously repaired your roof using overlay technology (that is, repairs to the existing roof), the life of the roof may be much shorter than you think. Overlaps are a quick way to fix small problems, but they can hide bigger mistakes. It is therefore recommended to replace the roof.
Shingles and curls shine – signs of wear
Either because they have exceeded their useful life or because the shingles were faulty, they can start to curl or kink, which means it is time to replace them.
This damage occurs more often when the sun falls directly on the roof. The curl can be detected because the sides of the shingles rise as if they were curling up.
Another option is to keep the sides flat while the center of the shingle peels off or loses granules. How long do asphalt shingles last if they have these imperfections? Between 1 and 5 years.
Rust in the roof valleys
It is defined as a valley for the convergence of two sloping roofs (downwards) through which snow or water is led to reach the channels. Since this part is constantly exposed to moisture, it can start to rust at any time, which leads to undesirable leaks.
Dark streaks on the roof
Don’t panic, the dark streaks on the asphalt shingles have nothing to do with the average life of the roof, so you shouldn’t run to replace it. The first is to know that these streaks are created by the existence of an alga called Gloeocapsa Magma that moves through the air through spores.
These stick to the ceiling and cause these nasty dark spots. However, these can be removed with a mixture of water and bleach. Simply spray the roof carefully with a low pressure hose to avoid damaging the shingles.
Check the gutters constantly
If you find granules of the asphalt shingles in the gutters, you will most likely need to replace the roof. Although it is normal for them to lose a few grains during their useful life, if the loss is very constant, it means that they cannot stand much.
A big chess board
It is not a problem to replace just a pair of worn shingles (unless these are due to major problems). The integrity of the roof should be maintained even with minor repairs. However, you should be aware that the color of a new asphalt shingle stands out from the others.
It doesn’t matter whether it’s the same brand, the sun and rain have already worsened the old ones, which leads to different tones. Some people don’t like this uneven aesthetic, so they prefer to change the entire roof, and this is a valid option.
Dark streaks in the leaks
If you notice moisture stains on the bottom edges of the roof (or on the top of the walls), it is likely that the water will leak somewhere. You should try to identify the leak quickly, otherwise it could affect the structure of your house.
Moisture causes chaos
How long do asphalt shingles last? Well, very little in the case of moisture damage. Asphalt, like cardboard, can be seriously affected by water. If you see a sunken section on your roof, run immediately to see if it is affected by moisture.
Prick the sunken areas on the shingles slightly. If you feel them soft and wet, they have already absorbed enough water to cause damage. This sign of rotting is a warning to call an expert to inspect your roof.
The sunlight is not lying
One of the easiest ways to identify a leak is to see beams of light from your roof as you enter your home. If so, it means that the clapboard has a hole and needs to be replaced.
Shingle cracks
In areas where the wind is relentless, asphalt shingles can start to crack. If the cracked shingles are concentrated in one area, only a few can be replaced. On the contrary, if cracks form in random shingles throughout the roof, you will most likely need to change the entire roof.
Broken or worn joints
The joints or covers are the areas that are filled with concrete, tar or metal on the roof and are usually around the elements that protrude from the ceiling, such as. B. chimneys or ventilation pipes. When these joints are broken, the water starts to leak.
Ice congestion is a serious problem.
Although they can look very nice in a winter landscape, the appearance of ice jams on a roof is a sign that ventilation is not working.
This is because the heat in the attic is not well distributed, causing the ice on the roof to melt and move to the gutters to freeze again. If we don’t remove them quickly, there will soon be large amounts of ice on our roof.
Think ahead for your roof
Don’t just be guided by what’s more economical. Think ahead about installing your roof. For example, today there are many options for maximum energy efficiency. These cold roofs specialize in reflecting the sun’s rays to maintain a cool temperature in the house, which lowers our energy costs in the hottest months.
Make sure to keep the perimeter of your home clear of trees, as these can be deadly projectiles during a storm. They are also a ladder for wild animals.
After a storm, be it snow or rain; Check your roof carefully for damage. This prevents us from having future problems. Have your roof guarantee ready in case it breaks down prematurely.
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