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(516) 505-0574

Servicing Nassau County

Roofing In Nassau County

Residential Roof Replacement, Installation in Nassau County

Alexander Home Improvement has been providing quality roof replacement and installation services at affordable prices to homeowners throughout Long Island for over 15 years. We are one of the most experienced roofing contractors in Nassau County and are GAF certified roofing installers who specialize in roof removals and 6 part roofing systems. We know that providing a safe and secure roof over your family’s head is your top priority, which is why it is ours too. When it comes to roof maintenance, Alexander Home Improvement is the roofing contractor you can count on, time and time again. We are a family-owned business that understands the importance of protecting your loved ones.As a GAF Certified Contractor, we offer our customers the System Plus Limited Warranty, which offers five times the up front coverage versus most standard shingle warranties.


Whether you are building a new home, or your roof has been damaged by weather or simply old age, we are here to help.

The Roofing Process

Gone are the days of simple roofing solutions that quickly deteriorate under normal weathering. Your roof is not just a layer of shingles viewed from the outside — it is built with advanced technology that is weather tested for extreme conditions. We at Alexander Home Improvement have built a reputation as one of Nassau County’s best roofing companies by being there for you during the whole roofing process — from the selection and planning of materials to the complete installation and clean-up afterwards. With our 15 years of experience, our company will help you pick just the right material to shield your home safely without putting a huge dent in your bank account.

Our Customers Can Choose From a Great Selection of GAF Shingles:

Whether you are building a new home, or your roof has been damaged by weather or simply old age, we are here to help with our extensive inventory of high-quality roofing products. Our customers can choose from a huge selection of GAF Shingles



Pewter Grey




We Also Offer the Following Roofing Products:


Alexander Home Improvement has a large inventory of roofing supplies that’ll never cease to impress you. When you need roof installation or maintenance, we are the roofing contractor to turn to in Nassau County. Give us a call to find out more about our wide selection of roofing products and to see what we can do for your home.

6 part

Explore Our Available Color Options

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