How do you know if your roof shingles are bad?

Cracking, wavy edges and curling are all signs of shingle damage. Another sign is pieces of roofing shingles located along the gutters of the home and spread along the roof's surface. Cracking and blistering roof shingles is a primary sign that the residential roof is starting to fail and requires immediate attention.

What do worn out shingles look like?

Missing Granules or Dark Spots

As a roof wears, the granules can come off the surface, weakening the shingle. Dark spots on the shingles may indicate that granules have worn away. Large amounts of granules in the gutter or downspouts may indicate that the roof is wearing prematurely.

How do you tell if your shingles need replacing?

How often should you replace roof shingles?

You should realistically get around 80-85% of the life span out of the asphalt shingles. This means you can expect to get around 20 years out of your 3-tab shingle roof and around 25 years out of your architectural shingles. On the other hand, luxury shingles are thicker and should get up to around 30 years.

How do you know when it's time to replace your roof?

Signs You Might Need A New Roof - Common Roof Problems

Can you put new shingles over old shingles?

While a repair job can often be more convenient and somewhat more cost-efficient, placing new shingles over old ones is never a good idea. Whether repairing one section of roof, or a replacing a whole one, it's always best to pull up the old shingles before putting down the new ones.

Will roof leak with one shingle missing?

Will your roof leak with just one missing shingle? Maybe. Just because you lose a shingle or two doesn't mean water will immediately drip from your ceiling. However, such a missing shingle could cause issues over time if the surrounding shingles deteriorate from exposure to water, wind and sunlight.

How can I tell if my roof is leaking?

How often should a home roof be replaced?

Under normal circumstances, 3-tab asphalt shingle roofs should last 15-20 years before needing replacement. However, architectural asphalt shingle roofs are a bit more resilient to the elements due to their design. These may last up to 10 years longer than 3-tab asphalt shingle roofs.

What time of year is best to replace roof?

Fall is considered the best season to replace your roof!

Changing seasons can largely impact many factors of your roof replacement – rain, snow, heat, humidity. These weather conditions could also affect how quickly your job can be completed.

How do you ruin shingles?

Wind. Wind damage to a roof is possible in severe storms. Shingles may be blown off your roof by strong winds, and then they can't do their job of protecting your home from rain.

Why do roof shingles get black streaks?

The black streaks running down roofs are actually a hardy algae called Gloeocapsa magma. As the blue-green algae accumulate, they develop a dark, hardened outer coating, which results in the black stains you see. The algae feed on the limestone in shingles.

How much does it cost to replace a roof on a 2500 square foot house?

When it comes to asphalt shingles (one of the more basic and affordable roofing options), figures generally range from $3.50-$5.50 per square foot installed. A new asphalt roof for a typical 2,500 square foot single-story ranch house can range in price from $9,000-$20,000 installed.

How does it cost to replace a roof?

The national average cost to replace a roof is around $8,000, with most people spending in the range of $5,500 to $11,000. The two largest variables you'll deal with on a job like this are the square footage of your home (and thus, your roof), and the type of roofing material you choose.

What is the life expectancy of asphalt shingles?

Dimensional shingles come with a 30-year manufacturer warranty. Vented properly and installed correctly, you should get around 80-85% of the life span out of an asphalt roof. That means you can expect to get about 20-22 years out of your 3-tab shingle roof and 25-28 years out of your dimensional shingles.

How do I know if my roof is leaking old or new?

Touch the Spot: Go ahead and feel the spot, because this will tell you a lot about the age of the damage generated by water. A newer spot will be wet but your drywall or ceiling will still be strong, while an older spot will be mushy and squishy since your material would have absorbed a fair amount of water.

What do roof leaks look like?

One of the most reliable early warning signs of a roof leak is the appearance of spots on your interior ceilings. Often, the spots look like brown stains in the shape of puddles, with faint rings around the edges of the stain.

How do you know if your roof is water damaged?

What happens if water gets under shingles?

Sitting Between Roofing & Roof Deck

Plus, moisture trapped under your shingles can gradually weaken the plywood roof deck itself, and even produce structural damage to the roof rafters and timbers over the years if not addressed.

Will a cracked shingle leak?

If you're using 3-tab shingles and one of the tabs gets blown away, then there's a moderate chance that water will seep towards the gaps and cracks. Homeowners have to also take into account that there will be a 33% chance that it will be above an open seam.

Why are my shingles blowing off?

Causes of Blown-Off Shingles

Sometimes shingles will blow off during a storm if they were installed incorrectly. For example, if roofing nails were placed too high up on the shingles instead of across the nailing strip, it may be less secure, or the shingle may pull the nail off during a windstorm.

Is 2 layers of shingles OK?

As mentioned above, homeowners are legally limited to two layer of roof shingles. Therefore, if you already have two layers, you'll need a full tear-off. Additionally, if your roof is severely damaged, it likely won't be able to support the weight of a reroof and will need to be torn off.

How many layers of shingles can you have on a roof?

In most states, you're only allowed to have 2 layers of shingles on a roof for fire safety reasons. However, you'll still see roofs that have 3 or 4 layers today. If you already have 2 or more layers, a contractor will recommend a full replacement.

What is the difference between re roof and new roof?

Roof Recover: The process of installing an additional roof covering over a prepared existing roof covering without removing the existing roof covering. Roof Replacement: The process of removing the existing roof covering, repairing any damaged substrate and installing a new roof covering.

How long does it take to roof a 1500 sq ft house?

In extreme cases, it could take three to five days. Depending on the weather, complexity, and accessibility of your home it could even take up to three weeks. But unless it's a large home, a roof can typically be replaced in a day.