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How Spray Foam Insulation Works

Spray foam is applied as a liquid that expands within seconds, filling cavities and hardening into a continuous layer of insulation and air barrier in one step.

Open-Cell vs. Closed-Cell Spray Foam

The two main types of foam serve different jobs in your home. We typically recommend

open-cell foam for attics, roof decks & interior walls

because it is lighter, expands more and quiets sound between rooms. We use

closed-cell foam for crawl spaces, rim joists & moisture-prone areas

where its denser structure resists water vapor and adds rigidity.

Why Spray Foam Outperforms Fiberglass & Cellulose

Traditional insulation slows heat, but air can still move through and around it. Spray foam works by

expanding to seal gaps, cracks & air leaks

around wiring, plumbing and framing that batts and loose fill often miss. When you compare

R-value per inch compared to traditional insulation

, the U.S. Department of Energy puts open-cell foam at roughly R-3.5 per inch and closed-cell foam at about R-6 or higher, while fiberglass batts and cellulose usually land between about R-3 and R-3.8. We also install cellulose insulation and fiberglass insulation when they are the better fit for your project.

Where We Install Spray Foam Insulation

Our most requested projects are

attics & encapsulated (conditioned) attic spaces

, where foam on the underside of the roof deck brings ductwork and HVAC equipment inside the thermal envelope. We also insulate

exterior walls in new construction & renovations

while the framing is open. Below the living space, we seal

crawl spaces, basements & rim joists

to block drafts and humid air. Spray foam is also a strong choice for

garages, bonus rooms & home additions

that tend to run hotter or colder than the rest of the house.

Sensigreen Prof GreenwSpray Foam Gun

Experience the SucraSeal Spray Foam Difference

We specialize in SucraSeal spray foam, a product our installers are trained to apply for top performance.

What Is SucraSeal Spray Foam?

SucraSeal is an open-cell foam made with

a sucrose-based, USDA BioPreferred formula

that replaces part of the petroleum content with a renewable, sugar-derived ingredient. It is also an ENERGY STAR approved insulation. The product features

built-in fire resistance

from fire retardants added to the foam itself, so it meets flammability testing without a separate coating. According to the manufacturer, SucraSeal also offers

low-odor, VOC- and formaldehyde-free performance

for a healthier home.

SucraSeal vs. Conventional Petroleum-Based Spray Foam

Like conventional open-cell foam, SucraSeal seals air leaks and insulates in one application. The difference is a higher bio-based content and fire resistance built into the material. For homeowners who want strong energy savings with a greener product, SucraSeal is the sensible choice.

Benefits of Spray Foam Insulation

A properly sealed home costs less to run, feels better to live in and holds up for years.

Lower Energy Bills Year-Round

Air leaks force your system to cool and heat outdoor air all day. Spray foam helps by

reducing HVAC strain during hot, humid Southern summers

and holding warmth in during winter. Your equipment runs shorter cycles, which can lower monthly bills and extend the life of your air conditioning system.

Consistent Comfort in Every Room

Most comfort complaints trace back to the attic. Sealing it is the most direct way of

eliminating hot upstairs rooms & drafty spaces

so your thermostat setting feels the same throughout the house. Foam also dampens outside noise for a quieter home.

Moisture, Humidity & Mold Control

Humid outdoor air that leaks into attics and crawl spaces can condense on cool surfaces and ductwork. An airtight foam layer is one of the best tools for

protecting Alabama & Georgia homes from condensation

and the mold and wood damage that can follow.

Better Indoor Air Quality

The same seal that stops drafts helps by

keeping out dust, pollen, pests & outdoor pollutants

that would otherwise enter through gaps. Pair spray foam with our indoor air quality solutions for even cleaner air.

Long-Term Durability & Home Value

Cured spray foam stays in place and does not sag, settle or compress the way some loose or batt insulation can over time. That lasting performance is an upgrade buyers and appraisers notice when it is time to sell.

Spray Foam Insulation Cost & Installation Process

Every home is different, so we price each spray foam project after an in-person inspection.

What Affects the Cost of Spray Foam Insulation?

The biggest factors are

square footage & application depth

, since larger areas and thicker coverage use more material. Your choice of

open-cell vs. closed-cell material

matters too, because closed-cell foam is denser and costs more per inch. Projects that require

removal of old insulation

include extra labor, and we handle that clean-out for you. Finally,

access & project complexity

, such as tight crawl spaces or steep roof lines, can affect the time a job takes.

What to Expect on Installation Day

Every project starts with a

free in-home inspection & estimate

so you know the plan and price up front. On installation day, our crew handles

prep, application & cleanup

, covering surfaces, spraying the foam and leaving your property clean and tidy. We will also tell you

when it’s safe to return home

, which is typically about 24 hours after application, depending on the product and manufacturer guidance.

Financing & Utility Rebate Options

Spray foam is an investment that pays you back through lower energy bills. Ask about our flexible financing options and any utility rebates that may apply in your area, and check our current specials before you book.

Why Trust Sensigreen Heating, Cooling & Insulation?

Sensigreen began as a spray foam insulation company in 2007 and has grown into a family-owned team of more than 80 people across three locations.

HVAC & Insulation Experts Under One Roof

Our founder’s background in home building and HVAC shapes how we look at your whole home. Because we handle both, we focus on

right-sizing your HVAC system after air sealing

, since a tighter home often needs less capacity. If it is time for new equipment, our AC installation team can match it to your newly sealed home.

Trained, Local Installation Crews

Our spray foam insulation installers are trained to apply SucraSeal for optimal performance, and our team members are background checked. Our comfort technicians are NATE-certified, and Sensigreen is a Carrier Factory Authorized Dealer. Meet our team to see who will be working in your home.

Customer Reviews & Satisfaction Guarantee

We back our work with a 100% satisfaction guarantee. Read the Sensigreen Guarantee for details, and see what your neighbors say in our customer reviews.

Spray Foam Insulation Near You: Serving Alabama & Georgia

Searching for spray foam insulation near me? Sensigreen serves homeowners in East Alabama, North Alabama and West Georgia from three local offices. See our full service area.

Spray Foam Insulation in Opelika & Auburn, AL

Our Opelika office at 400 Clanton St is where Sensigreen began, and we are

insulating historic & new homes across Lee County

every week. We also serve

nearby communities: Auburn, Phenix City & beyond

, including spray foam insulation in Auburn. Contact our Opelika location at (334) 487-3555.

Spray Foam Insulation in Huntsville, AL

Our Huntsville-area office in Laceys Spring delivers

energy-efficient solutions for Madison County’s growing neighborhoods

, from older homes to new construction. Our crews also cover

nearby communities: Madison, Meridianville & beyond

, along with Hazel Green, Owens Cross Roads and Toney. Reach our Huntsville location at (256) 449-1050.

Spray Foam Insulation in LaGrange, GA

From our office on Hogansville Rd, we are

sealing homes & lake properties across Troup County

to beat West Georgia heat and humidity. We also welcome calls from

nearby communities: West Point, Hogansville & beyond

. Contact our LaGrange location at (706) 670-3577.

Spray Foam Insulation FAQs

Is Spray Foam Insulation Worth It in Alabama & Georgia?

For most homes, yes. Our long, humid cooling season makes air leaks and hot attics especially costly, and spray foam addresses both at once.

How Long Does Spray Foam Installation Take?

Many attic projects are finished in about a day, though larger homes or jobs that include insulation removal can take longer. We will give you a timeline with your estimate.

Can Spray Foam Be Installed Over Existing Insulation?

In most cases, we remove old insulation first so the foam can bond directly to the roof deck or framing and seal properly. Our services include insulation removal, so you do not need to hire anyone else.

How Do I Find Reliable Spray Foam Insulation Near Me?

Look for a local contractor with spray foam experience, trained installers and strong reviews. Sensigreen has installed spray foam since 2007, and you can find more answers on our insulation FAQ page.

Get Your Free Spray Foam Insulation Quote

Ready to seal your attic and start saving? Sensigreen provides expert spray foam insulation in Opelika, Auburn, Huntsville, LaGrange and surrounding communities. Schedule your free estimate or call (334) 487-3555 today.

Communities Served by Our HVAC Company

Alexander City, AL

Athens, AL

Gurley, AL

Hazel Green, AL

Huntsville, AL

Laceys Spring, AL

Madison, AL

Meridianville, AL

Mooresville, AL

Owens Cross Roads, AL

Pike Road, AL

Scottsboro, AL

Tanner, AL

Toney, AL

Why Trust Sensigreen Heating, Cooling & Insulation?

Get In Touch

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    By submitting this form and signing up for texts, you consent to receive marketing text messages (e.g., promos, cart reminders) from Sensigreen Heating, Cooling & Insulation at the number provided, including messages sent by auto dialer. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency varies. Unsubscribe at any time by replying STOP or clicking the unsubscribe link (where available). Reply HELP for help. View Our Privacy Policy & Terms .

LaGrange, GA

Opelika, AL

Huntsville, AL

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