Attic Insulation Contractors in Hempstead, NY

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What makes Zavza Seal


Licensed & Insured

Don’t take chances with unlicensed and uninsured contractors. We’re fully licensed and insured, ensuring your investment is safeguarded.

30-Year Warranty

We back our work with a 30-year warranty, demonstrating our commitment to long-lasting quality and durability.

Proactive Problem Solvers

Experience matters. We are proactive problem solvers. We identify and address issues before they become headaches, saving you thousands of dollars on repairs and remediations.

5 Star

Elevate your home with our 5-Star rated contracting, where premium quality meets a steadfast 30-year warranty commitment.

Community – Centric

We’re not just another service provider in your local area; we’re interwoven with the community. Our unwavering dedication leads us to uplift the regions we serve, one foundation repair project at a time.

What Our Customers Say

On Our Recent Basement Insulation Completed Works

Gregory Paragh

They complete the work to the specification they outlined or better, for a very reasonable price which they are willing to work with you on. Good people and great work.

Mike Delafraz

I was hesitant to accept their proposal since it was the best one! However, they arrived on time and were knowledgeable, respectful, and clean. Did more than expected and paid attention to any minor details. They even came an extra day to complete everything and ensure the Job was done to my 1000% Satisfaction.


The Zavza sealing company arrived promptly. The crew leader did an overview of the Job. Upon completion of the Job, The entire area was cleaned, and anything moved was replaced. Thanks for a great Job.

Basement Insulation Contractor New York

Insulating your basement is a game-changer for any homeowner, delivering a multitude of benefits that elevate your living experience and enhance your property’s value. Proper basement insulation is crucial in New York’s diverse climate, offering year-round comfort by maintaining consistent indoor temperatures. It acts as a barrier against cold in the winter and heat during the summer, resulting in significant energy savings on heating and cooling costs.

Beyond energy efficiency, insulation in your basement also contributes to a healthier home environment by reducing the risk of mold and mildew growth, ensuring your space stays dry and comfortable. Furthermore, noise reduction is another valuable benefit, creating a quieter, more peaceful living space.

If you’re looking for a reputable contractor, you’re in the best care possible with Zavza Seal, the leading basement insulation contractor in New York. Our specialized services are designed to meet your specific needs, ensuring your basement is not just insulated, but transformed into an efficient, comfortable, and healthier part of your home.

Elevate Your Home’s Efficiency and Comfort with Zavza Seal Basement Insulation! Call (631) 980-1800 Now for a Free Assessment!

Here are some more reasons why basement insulation in New York is a good idea:

Basement Insulation Contractor New York - The Word "Cost" Written on a Chalkboard with a Woman's Hand Cutting the Word in Half with Scissors
  • Low Costs:  Basement insulation in Long Island can significantly reduce energy costs by maintaining a more stable indoor temperature, making your home more energy-efficient.
  • Controls Humidity: Insulating basement walls helps to control moisture and humidity levels, preventing potential issues like mold and mildew, and ensuring a healthier living space.
  • Overall Effect: When considering basement insulation, don’t forget about basement ceiling insulation. This reduces noise from upstairs and enhances the basement’s coziness.
  • Increased Year-Round Comfort: Insulating your basement is key to achieving a comfortable living environment throughout the year. By creating a thermal barrier, insulation maintains consistent indoor temperatures, keeping your basement warmer during the harsh New York winters and cooler during the hot summers. 
  • Lower energy consumption: Lower energy consumption from effective basement insulation means a reduced carbon footprint and a greener, more environmentally responsible home.
  • Property Value: It’s a great investment that increases your home’s resale value, as potential buyers are attracted to energy-efficient and well-insulated properties.
Basement Insulation Contractor New York - A Man at a Table in Front of Three House Icons, Two White and One Green, Choosing the Green House Icon with His Hand
Basement Insulation Contractor New York - A Woman Comfortably Relaxing and Drinking Coffee in Front of a Fireplace

Safety: Basement insulation also safeguards your belongings from extreme temperature fluctuations, preserving their condition and value.

Enhanced Comfort: Long Island’s chilly winters and humid summers make basement insulation a must for year-round comfort, keeping you warmer in winter and cooler in summer. Basement insulation prevents drafts and keeps your basement more comfortable, creating a more pleasant and inviting space for your family and guests.

Added Protection: Basement wall insulation can enhance the overall structural integrity of your home, as it helps protect against moisture damage and potential foundation issues.

Wise investment: Basement insulation is a wise long-term investment, ensuring that your home remains a comfortable, energy-efficient haven for years to come.

Types of Basement Insulation

We have listed a few different types of basement insulation for details and technical specifications. Use this guide to find out which type of basement insulation works for your family and your home.

Basement Insulation Contractor New York - A Home Insulator Working with Fiberglass Insulation

Fiberglass Insulation: Fiberglass insulation is a popular choice for basement wall insulation in Long Island. It’s known for its affordability and effectiveness in regulating temperatures.

Batt Insulation: Batt insulation offers an effective solution for insulating basement walls and ceilings. Its pre-cut panels are easy to install, providing a cost-efficient method to enhance thermal performance and soundproofing capabilities. This type of insulation is ideal for maintaining a comfortable and quiet environment in residential spaces.

Blown-in Insulation: Blown-in insulation, also known as loose-fill insulation, is perfect for attics, walls, and hard-to-reach areas. This method involves blowing or spraying insulation materials into spaces, ensuring a complete coverage that enhances energy efficiency and reduces heat loss. Its adaptability makes it an excellent choice for improving the thermal envelope of a home.

Spray Foam Insulation: Spray foam insulation is a versatile option for both basement ceilings and walls. It creates a tight seal, providing excellent thermal resistance and reducing noise transmission.

Other Insulation Types: In addition to fiberglass, spray foam, and batt insulation, homes may also benefit from rigid foam board, reflective insulation, and mineral wool. Rigid foam board is great for exterior and interior applications, offering high insulating value per inch.

Reflective insulation reflects heat away from the living space, ideal for attics in warmer climates. Mineral wool, consisting of rock or slag wool, provides superior fire resistance and soundproofing.

Each type serves unique purposes, catering to different insulation needs for enhanced comfort and energy savings.

Find the Perfect Insulation Solution for Your Home or Business and Upgrade Your Comfort and Savings Today! Call (631) 980-1800 for a Free, No-Obligation Quote!

Basement Insulation Contractors New York - A Spray Foam Insulation Applicator Spraying Spray Foam

How Does
Basement Insulation Work?

Home Insulation Services in Hempstead

Basement insulation works like a protective shield for your home’s foundation, helping to keep the indoor temperature comfortable. It’s a bit like wrapping your basement in a cozy blanket.

The magic of basement insulation happens by trapping air within its fibers or layers, creating a buffer between the harsh outdoor elements and your living space. This buffer slows down the transfer of heat, which means your heating and cooling systems don’t have to work as hard to maintain a pleasant indoor climate.

Choose Zavza Seal as Your Basement Insulation Contractor New York!

Choosing the right basement insulation contractor in New York is a decision that impacts not only the comfort and efficiency of your home but also its overall value and healthiness. Proper insulation in your basement offers numerous benefits, including significant energy savings by maintaining optimal indoor temperatures throughout the seasons.

This strategic investment reduces heating and cooling costs, creating a more energy-efficient home environment. Moreover, it plays a vital role in preventing moisture buildup, thus mitigating the risk of mold and mildew growth and ensuring the air quality in your home remains high and healthy. Additionally, insulation acts as an effective sound barrier, minimizing noise transmission to create a quieter, more serene living space.

At Zavza Seal, our team is committed to delivering not just insulation solutions but enhancing the comfort, efficiency, and health of your home. Every project we take on is backed by a solid 30-year warranty, and we never leave your property until you are completely satisfied!

Ready to Transform Your Basement into an Energy-Efficient, Comfortable, and Healthy Part of Your Home? Call Zavza Seal at (631) 980-1800 for a Free Assessment and Quote!

ROI of Attic Insulation in Hempstead

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Our Service Area Zip Codes
In Long Island NY

Brooklyn NY
Brooklyn, NY 11201
Brooklyn, NY 11204
Brooklyn, NY 11209
Brooklyn, NY 11215
Brooklyn, NY 11217
Brooklyn, NY 11218
Brooklyn, NY 11219
Brooklyn, NY 11223
Brooklyn, NY 11228
Brooklyn, NY 11229
Brooklyn, NY 11230
Brooklyn, NY 11231
Nassau County NY
Albertson, NY 11507
Atlantic Beach, NY 11509
Baldwin, NY 11510
Bayville, NY 11709
Bellmore, NY 11710
Bethpage, NY 11714
Carle Place, NY 11514
Cedarhurst, NY 11516
East Meadow, NY 11554
East Norwich, NY 11732
East Rockaway, NY 11518
Elmont, NY 11003
Farmingdale, NY 11735
Farmingdale, NY 11737
Floral Park, NY 11001
Floral Park, NY 11002
Franklin Square, NY
Franklin Square, 11010
Freeport, NY 11520
Garden City, NY 11530
Garden City, NY 11531
Garden City, NY 11599
Glen Cove, NY 11542
Glen Head, NY 11545
Glenwood Landing, NY 11547
Great Neck, NY 11020
Great Neck, NY 11021
Great Neck, NY 11022
Great Neck, NY 11023
Great Neck, NY 11024
Great Neck, NY 11026
Great Neck, NY 11027
Greenvale, NY 11548
Hempstead, NY 11549
Hempstead, NY 11550
Hempstead, NY 11551
Hewlett, NY 11557
Hicksville, NY 11801
Hicksville, NY 11802
Hicksville, NY 11815
Hicksville, NY 11819
Hicksville, NY 11854
Inwood, NY 11096
Island Park, NY 11558
Jericho, NY 11753
Jericho, NY 11853
Lawrence, NY 11559
Levittown, NY 11756
Locust Valley, NY 11560
Long Beach, NY 11561
Lynbrook, NY 11563
Malverne, NY 11565
Manhasset, NY 11030
Massapequa, NY 11758
Massapequa Park, NY 11762
Merrick, NY 11566
Mill Neck, NY 11765
Mineola, NY 11501
New Hyde Park, NY 11040
New Hyde Park, NY 11042
Oceanside, NY 11572
Old Bethpage, NY 11804
Old Westbury, NY 11568
Oyster Bay, NY 11771
Plainview, NY 11803
Point Lookout, NY 11569
Port Washington, NY 11050
Port Washington, NY 11051
Port Washington, NY 11052
Port Washington, NY 11053
Port Washington, NY 11054
Port Washington, NY 11055
Rockville Centre, NY 11570
Rockville Centre, NY 11571
Roosevelt, NY 11575
Roslyn, NY 11576
Roslyn Heights, NY 11577
Sea Cliff, NY 11579
Seaford, NY 11783
Syosset, NY 11773
Syosset, NY 11791
Uniondale, NY 11553
Uniondale, NY 11555
Uniondale, NY 11556
Valley Stream, NY 11580
Valley Stream, NY 11581
Valley Stream, NY 11582
Wantagh, NY 11793
West Hempstead, NY 11552
Westbury, NY 11590
Williston Park, NY 11596
Woodbury, NY 11797
Woodmere, NY 11598
Suffolk County NY
Amagansett, NY 11930
Amityville, NY 11701
Aquebogue, NY 11931
Babylon, NY 11702
Bay Shore, NY 11706
Bayport, NY 11705
Bellport, NY 11713
Blue Point, NY 11715
Bohemia, NY 11716
Brentwood, NY 11717
Bridgehampton, NY 11932
Brightwaters, NY 11718
Brookhaven, NY 11719
Calverton, NY 11933
Center Moriches, NY 11934
Centereach, NY 11720
Centerport, NY 11721
Central Islip, NY 11722
Cold Spring Harbor, NY 11724
Commack, NY 11725
Copiague, NY 11726
Coram, NY 11727
Cutchogue, NY 11935
Deer Park, NY 11729
East Hampton, NY 11937
East Islip, NY 11730
East Marion, NY 11939
East Moriches, NY 11940
East Northport, NY 11731
East Quogue, NY 11942
East Setauket, NY 11733
Eastport, NY 11941
Farmingville, NY 11738
Fishers Island, NY 6390
Great River, NY 11739
Greenlawn, NY 11740
Greenport, NY 11944
Hampton Bays, NY 11946
Hauppauge, NY 11788
Holbrook, NY 11741
Holtsville, NY 00501
Holtsville, NY 00544
Holtsville, NY 11742
Huntington, NY 11743
Huntington Station, NY 11746
Islandia, NY 11749
Islip, NY 11751
Islip Terrace, NY 11752
Jamesport, NY 11947
Kings Park, NY 11754
Lake Grove, NY 11755
Laurel, NY 11948
Lindenhurst, NY 11757
Manorville, NY 11949
Mastic, NY 11950
Mastic Beach, NY 11951
Mattituck, NY 11952
Medford, NY 11763
Melville, NY 11747
Melville, NY 11760
Melville, NY 11775
Middle Island, NY 11953
Miller Place, NY 11764
Montauk, NY 11954
Moriches, NY 11955
Mount Sinai, NY 11766
Nesconset, NY 11767
New Suffolk, NY 11956
North Babylon, NY 11703
Northport, NY 11768
Oakdale, NY 11769
Ocean Beach, NY 11770
Orient, NY 11957
Patchogue, NY 11772
Peconic, NY 11958
Port Jefferson, NY 11777
Port Jefferson Station, NY 11776
Quogue, NY 11959
Remsenburg, NY 11960
Ridge, NY 11961
Riverhead, NY 11901
Rocky Point, NY 11778
Ronkonkoma, NY 11779
Sag Harbor, NY 11963
Sagaponack, NY 11962
Saint James, NY 11780
Sayville, NY 11782
Selden, NY 11784
Shelter Island, NY 11964
Shelter Island Heights, NY 11965
Shirley, NY 11967
Shoreham, NY 11786
Smithtown, NY 11787
Sound Beach, NY 11789
South Jamesport, NY 11970
Southampton, NY 11968
Southampton, NY 11969
Southold, NY 11971
Speonk, NY 11972
Stony Brook, NY 11790
Stony Brook, NY 11794
Upton, NY 11973
Wading River, NY 11792
Wainscott, NY 11975
Water Mill, NY 11976
West Babylon, NY 11704
West Babylon, NY 11707
West Islip, NY 11795
West Sayville, NY 11796
Westhampton, NY 11977
Westhampton Beach, NY 11978
Wyandanch, NY 11798
Yaphank, NY 11980
Queens County NY
Addisleigh Park, NY 11433
Addisleigh Park, NY 11434
Arverne, NY 11692
Astoria, NY 11101
Astoria, NY 11102
Astoria, NY 11103
Astoria, NY 11104
Astoria, NY 11105
Astoria, NY 11106
Bayside, NY 11359
Bayside, NY 11360
Bayside, NY 11361
Bay Terrace, NY 11360
Beechhurst, NY 11357
Belle Harbor, NY 11694
Bellerose, NY 11426
Breezy Point, NY 11697
Briarwood, NY 11435
Broad Channel, NY 11693
Cambria Heights, NY 11411
Chinatown, NY 10013
College Point, NY 11356
Corona, NY 11368
Douglaston–Little Neck, NY 11362
Douglaston–Little Neck, NY 11363
East Elmhurst, NY 11369
East Elmhurst, NY 11370
East Elmhurst, NY 11371
Edgemere, NY 11690
Elmhurst, NY 11380
Far Rockaway, NY 11690
Far Rockaway, NY 11691
Far Rockaway, NY 11692
Far Rockaway, NY 11693
Far Rockaway, NY 11694
Far Rockaway, NY 11695
Far Rockaway, NY 11697
Floral Park, NY 11004
Floral Park, NY 11005
Flushing, NY 11374
Forest Hills, NY 11375
Fresh Meadows, NY 11365
Fresh Meadows, NY 11366
Fresh Pond, NY 11385
Glendale, NY 11385
Glen Oaks, NY 11004
Hollis, NY 11423
Howard Beach, NY 11414
Jackson Heights, NY 11372
Jamaica, NY 11411
Jamaica, NY 11412
Jamaica, NY 11413
Jamaica, NY 11414
Jamaica, NY 11415
Jamaica, NY 11416
Jamaica, NY 11417
Jamaica, NY 11418
Jamaica, NY 11419
Kew Gardens, NY 11415
Kew Gardens, NY 11418
Kew Gardens Hills, NY 11367
Laurelton, NY 11413
Long Island City, NY 11101
Long Island City, NY 11102
Long Island City, NY 11103
Long Island City, NY 11104
Long Island City, NY 11105
Long Island City, NY 11106
Long Island City, NY 11109
Middle Village, NY 11379
Neponsit, NY 11694
Ozone Park, NY 11416
Ozone Park, NY 11416
Pomonok, NY 11365
Queens Village, NY 11427
Queens Village, NY 11428
Queens Village, NY 11429
Rego Park, NY 11374
Richmond Hill, NY 11418
Ridgewood, NY 11385
Rochdale Village, NY 11434
Rockaway Beach, NY 11693
Rockaway Park, NY 11694
Rosedale, NY 11413
Rosedale, NY 11422
Roxbury, NY 12474
St. Albans, NY 11412
South Ozone Park, NY 11420
South Ozone Park, NY 11436
Springfield Gardens, NY 11413
Sunnyside, NY 11104
Whitestone, NY 11357
Woodhaven, NY 11421
Woodside, NY 11377