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TRUSTED BY ALTON, IA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon10
    Verified roofing services reviews

Top-Rated Roofers in Alton - Updated Nov 2026

Avatar for 1-800-HANSONS (Sioux Falls Exteriors)
1-800-HANSONS (Sioux Falls Exteriors)
4.0(
665
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or Replace

Serving Alton, IA and surrounding areas

Approved (Corporate)

In business since 1988

Free estimates

Credit card accepted

Our number one priority is to serve our customers by anticipating their needs and exceeding their expectations. We do what it takes, every day, to make Hanson's Window and Construction, Inc., the best place for our family to serve yours.

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+16

10 neighbors recently requested a quote
Recommended by86%of homeowners
Gran Innovations
New to Angi
Roof - Clean

Serving Alton, IA and surrounding areas

Approved

Hello my names Christopher i am 23 tired of working for a boss that doesnt understand what goes into things when we install. I have finally turned over a new leaf and wanted to start dping things on my own. I have worked for a few different landscaping companys, i have done some demo work for family and friends, i also worked at thrasher for ahile working my way up to team lead. I just had a baby last year on December and i want to be able to see her grow! Thats why im here to get jobs that i want. I dont wanna work for a boss who has no idea how the stuff i install goes in. I want to be thats hands on boss that is for the customer. Tired of meeting quotas. I want to love what i do for work and believe you me i love getting dirty and getting the job done. I am only 23 but i am very hard wokring. Not affriad to try something new or get dirty! If you have any jobs small or big just let me know.

Avatar for A+ property servies
A+ property servies
New to Angi
Roof - Clean

Serving Alton, IA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

A+ Property Services is a locally owned and operated business serving Spencer, Spirit Lake, Milford, and surrounding northwest Iowa communities. We take pride in providing dependable, professional property maintenance and cleaning services. Our services include power washing, soft washing, roof cleaning, window cleaning, carpet cleaning, parking lot maintenance, and more. We believe in quality workmanship, honest pricing, and making sure every customer is satisfied. When you hire A+ Property Services, you can count on reliable service and attention to detail.

Roofco Res Roofing
New to Angi
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessAsphalt Shingle Roofing - Repair+26 more

Serving Alton, IA and surrounding areas

Free estimates

Excellence in Residential Roofing is more than just a tag line; at Roofco Residential Roofing it is a way of doing business. With a long and storied history of service in the Dubuque area, the ROOFCO Residential Roofing Team is meeting its demand to provide strong commitment to customer service and the highest quality standards of craftsmanship. We have a history of providing the best service and quality work (www.Angieslist.com) in Dubuque and we are looking to grow our business. Roofco is a family owned and operated business located at 3125 Cedar Crest Ridge in Dubuque, Iowa. We serve eastern Iowa. Call Richard at 563-599-0858 or 563-556-4068.

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Roofing FAQs, answered by experts

A square of shingles covers 100 square feet and usually ranges from 150 to 240 pounds. It all depends on the material and type of shingle.

The lifespan of asphalt shingles is typically between 15 and 30 years, depending on the type of shingle and other factors. Standard 3-tab shingles have the shortest lifespan, around 10 to 15 years. Architectural shingles last longer, averaging 20 to 25 years. Luxury or designer asphalt shingles are the most durable, with a lifespan of 40 years or more. Climate, installation quality, and regular maintenance also play a significant role in how long your shingles will last. Signs that they need replacement include granule loss, bald spots, and roof leaks.

Gable roof construction can last for 100 years or more without needing structural repairs, although the lifespan depends on your climate. Since gable roofs are great at shedding rain and snow, the actual roofing material on top will last for between 20 and 100 years or more, depending on the material you choose. If you’re unsure that your gable roof is up to par, have a roof inspector take a look.

You may become so frustrated with the look of moss on your roof that you contemplate whether to clean or replace your roof. Fortunately, you don’t have to go as far as replacing it. After cleaning the moss, you can use a chemical solution to keep it away. For further protection, trim branches that overhang the roof, as fallen seed pods and leaves on the roof allow moisture to collect, encouraging moss growth. Consider adding zinc-coated flashing to the roof, too. As rain washes across the zinc, it leaves zinc particles behind that inhibit moss growth.

The number of roof vents necessary for a 2,000-square-foot house depends on several factors. The calculation depends on the net free area within the attic and whether your municipality requires a 1/150 or a 1/300 ratio of venting square feet to attic square feet. If you install vents with a square-foot opening of one, you'll need either 14 or seven exhaust vents and an equal square-foot amount of intake vents.

The Alton, IA homeowners’ guide to roofing services

From average costs to expert advice, get all the answers you need to get your job done.