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    Average homeowner rating
  • Verified reviews icon20
    Verified insulation services reviews

Find Insulation pros in Alexandria

Avatar for Northern Spray Foam Insulation
Northern Spray Foam Insulation
4.5(
16
)
Spray Foam Insulation - InstallInjection Insulation - InstallBlown-In Insulation - Install or Upgrade

Serving Alexandria, NY and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Had the underside of my cabin sprayed with foam insulation. I couldn't be happier. The floors were MUCH warmer this past winter. As a couple unexpected bonuses, the floors were much quieter, no creaking and the overall warmth of the cabin was NOTICEABLY warmer.. work was completed sooner than expected at a reasonable price! Thank you! Mike S."
 Finished wall section
 Hospital Bldg. Open cell
 New construction
 More new construction
 Exterior of Fire Dept.

+4

Response time4 days
5 neighbors recently requested a quote
Recommended by92%of homeowners
Silver Line Spray Foam
5.0(
1
)
Spray Foam Insulation - Install

Serving Alexandria, NY and surrounding areas

Approved

In business since 2016

Free estimates

Offers commercial services

We take great pride in offering the best possible experience with our expertise, quality, and customer service. In order to understand the needs and expectations of our clients. We take great care to work and communicate with everyone in a professional manner. It is our mission to exceed our clients expectations by providing excellent workmanship and complete customer satisfaction, from the start of each project to its completion. Our reputation is based on service, safety, great communication and quality, regardless of how large or small the job.

Andy spraying
Nick spraying
Garage Walls
IR Middle School
Ceiling

+8

Response time8 hrs
Avatar for Orkin
Orkin
New to Angi
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Alexandria, NY and surrounding areas

Approved

In business since 1901

Free estimates

Credit card accepted

Did you know that Orkin does Insulation? Our more than 100 years of pest control experience began in 1901 by then fourteen-year-old Otto Orkin. In that , we've become a leader Pest Control as well as an expert Home Insulation. Orkin - We can help energize your home. \n\n

Astar Heating & Air Conditioning Inc
4.8(
138
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Alexandria, NY and surrounding areas

In business since 1976

Free estimates

Emergency services offered

"They replace the heater that I had for 10 or 11 years with one that was the same, they allowed me to split my bill, they did the job and they worked with me. Which was good."
Red Carpet Treatment
Furnace
AC
Recommended by98%of homeowners
Avatar for 'R Factor Inc.'
'R Factor Inc.'
5.0(
2
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Alexandria, NY and surrounding areas

In business since 2004

Free estimates

Credit card accepted

"R-Factor Insulation Company does very good work. They insulated my crawl space and did a wonderful job. The owner Mr. Knapp was very professional and came out and gave a free estimate on the work. The job estimate was right on the price with no cost over runs at the completion of the
job. I had other estimates that were much higher on the same work to be done."
Additional Photos
Recommended by100%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Alexandria, NY and surrounding areas

In business since 1971

Credit card accepted

"Roberto was the technician and he was very professional, polite, and personable. He inspected the rest of our system and told us things that needed to be changed or repaired. He showed me pictures of everything. Everything he told me about was accurate. He quoted me a price for R38 insulation , Some of our ducts were plastic and he recommended them to be changed. I agreed completely and didn't know they were plastic. I would have had them done the work but I had no price comparisons to make and besides I didn't have the money right then. So he just finished the vent cleaning and left his card. He did a great job on the vent cleaning and was happy with the work."
Additional Photos
Additional Photos
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Additional Photos
Additional Photos

+2

Recommended by65%of homeowners
Lawless General Contracting
4.5(
26
)
Injection Insulation - InstallSpray Foam Insulation - Install

Serving Alexandria, NY and surrounding areas

In business since 2005

Free estimates

At Lawless General Contracting, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

Custom tile/bthrm remodel
Custom tile/bthrm remodel
Custom tile/bthrm remodel
Custom tile/bthrm remodel
Custom tile/bthrm remodel

+44

Response time3 days
Recommended by95%of homeowners
Avatar for High Tech Construction Co
High Tech Construction Co
4.3(
43
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Alexandria, NY and surrounding areas

In business since 1987

Free estimates

Emergency services offered

For years High Tech Construction Co. has been servicing its customers with efficiency, integrity, and Professionalism. Specializing in brownstone exterior restoration we strive to preserve historic brownstones from deterioration. Located in Brooklyn NY. Take tour of our website and gain insight into the core values and philosophies at High Tech Construction Co.

Facade Restoration - High Tech Construction Co
stoop restoration -high tech construction co
Wood Stoop
Limestone Stoop
brownstone stoop and facade restoration

+20

Recommended by81%of homeowners
Showing 1-10 of 22
Insulation questions, answered by experts

STC (Sound Transmission Class) is a rating that describes how well a building material or assembly blocks airborne sound. A higher STC rating means less noise will pass through the material, providing better sound reduction. This rating system applies to various building components, including windows, doors, flooring, drywall, and insulation.

For context, a typical single-pane window has an STC rating of around 25 (where normal conversations are audible), while a well-sealed, double-pane window can exceed STC 45 (blocking loud speech and most music). It is important to note that for some products, like soundproofing drywall, the STC rating refers to the entire wall system, not just the individual panel.

Additionally, STC ratings are most effective for measuring sound reduction at mid-to-high frequencies, such as human speech, and may not accurately reflect how well a material blocks low-frequency sounds like bass music or thunder. Because of these factors, it is recommended to consult a professional to determine the right STC-rated materials for your specific soundproofing needs.

Insulation can be made of cellulose, fiberglass, polyurethane, polystyrene, or mineral wool. Radiant barriers are often made of aluminum or other similarly reflective materials, but they will need to be paired with something else because they don’t provide heating benefits. Cellulose is among the most eco-friendly options and may be recycled when it’s past its shelf-life, whereas polyurethane and polystyrene both emit harmful compounds and will need to be handled with care during installation.

R-value stands for resistance value and is a number assigned to insulation that states how good the insulation is at heat transference (insulation). The R-value of injection foam is around 4 which homeowners will be happy to know is actually quite good. Another benefit of injection foam versus fiberglass foam is that the colder it gets, the more injection foam retains its resistance properties, whereas fiberglass tends to lose its efficiency in colder temperatures.

Several types of insulation are effective for crawl spaces, with spray foam and rigid foam boards being two of the best options. Closed-cell spray foam insulation is a strong choice because it effectively repels moisture, resists biological growth, seals the air, and provides excellent thermal protection, especially in hard-to-reach areas. Rigid foam insulation boards are another excellent material as they insulate well, resist water damage, and will not settle over time like fiberglass or cellulose.

Upgrading insulation offers several benefits, including improved energy efficiency, which leads to lower heating and cooling costs. It also enhances indoor comfort by regulating temperature and can provide noise reduction. Additionally, better insulation has a reduced environmental impact and can increase your home's value and overall livability.

The Alexandria, NY homeowners’ guide to insulation services

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