How Much Do DIY Spray Foam Insulation Kits Cost in 2022? (2022)

How Much Do DIY Spray Foam Insulation Kits Cost in 2022? (1)

By: Amanda Ringler on February 23rd, 2022

(Video) DIY vs. Professional Spray Foam Insulation - Is It Worth It?

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You are doing some research on spray foam insulation kits to insulate small areas of your home, and now you are curious about how much Do-It-Yourself spray foam insulation kits cost.

The amount of foam the kit makes is one of the main factors that determines its price. If you’re insulating a very small area, then a smaller two-component spray foam kit could do the job. When insulating a larger space, you may need to buy more than one of the larger two-component kits.

In these cases, size matters.

RetroFoam of Michigan has more than 17 years of experience insulating thousands of homes across the Mitten and greater Toledo area. While we don’t sell or use DIY spray foam kits, we know about all things foam insulation because it’s all we do.

In an effort to continue to educate homeowners, we have gathered information on the cost of DIY spray foam insulation kits from some of the most popular spray foam kit manufacturers like Touch ‘n Foam, Dow, and Tiger Foam.

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Best Price Spray Foam Insulation Kits

How Much Do DIY Spray Foam Insulation Kits Cost in 2022? (2)

The cost to insulate a home varies depending on the size of the area to be insulated.

Here is a look at the spray foam kits available and their cost from Home Depot, Lowe’s, and Tiger Foam. When looking at the coverage available, it is good to note that 1-board-foot is equal to 1-square-foot of coverage at 1-inch. A minimum of 2- to 3-inches of spray foam is required to provide a proper air sealin most cases.

Touch ‘n Foam Spray Foam Kit Cost

  • 15 Board Foot Polyurethane 2-Component Spray Foam Kit – Yields 15-board-feet. Ideal for patching previously installed insulation or insulating around doors and windows. Must be applied when surface and air temperatures are above 60 degrees Fahrenheit. $48.21 from Home Depot.
  • 200 Board Foot Polyurethane 2-Component Spray Foam Kit – Yields 200-board-feet. Ideal for medium-sized projects, like sealing basement sill plates and band joists. Roughly $364 from Home Depot or Lowe’s.
  • 600 Board Foot Polyurethane 2-Component Spray Foam Kit – Yields 600-board-feet. Ideal for larger projects. Must be applied when surface and air temperatures are above 60 degrees Fahrenheit. Roughly $824 from Home Depot or Lowe’s.

Dow Spray Foam Kit Cost

  • Froth-Pak 12 Sealant Foam Insulation Kit – Yields approximately 12-board-feet. Ideal for roof and wall junctions, wall and attic, electrical, mechanical, and plumbing penetrations in the building envelope. $49.54 from Lowe’s.
  • Froth-Pak 200 Foam Sealant Kit – Kit yields coverage of 200-square-feet at a 1-inch depth. $339 from Lowe’s and Home Depot.
  • Froth-Pak 620 Sealant Foam Insulation Kit – This kit yields approximately 620-board-feet. It can be used in all areas of the home. $745 from Lowe’s.
  • Froth-Pak 650 Foam Insulation Kit – This kit yields approximately 650-board-feet. This kit can be used anywhere in the home. $826 from Lowe’s.

Tiger Foam Insulation Cost

  • Fast Rise Formula 200 Board Foot Kit – This closed cell kit yields 200-board-feet (16-cubic-feet). It can be used in open walls, attics, and crawl spaces. Online price $360 on Tiger Foam’s website.
  • Fast Rise 600 Board Foot Kit – This closed cell kit yields approximately 600 board feet. This kit can be used in open walls, attics, and crawl spaces. $645 on Tiger Foam’s website.
  • Slow Rise Formula – 200 board feet Spray Foam Insulation Kit – This closed cell kit can yield 162.5 board feet. This kit is suitable for existing walls. $385 on Tiger Foam’s website.
  • Slow Rise 600 Board Foot kit – This closed cell spray foam kit can yield around 516 board feet. This can be used in existing walls, according to Tiger Foam. $700 on Tiger Foam’s website.
  • Quick Cure Formula – 200 Board Feet Spray Foam Insulation Kit – This closed cell kit can cover approximately 200 board feet. It can be used in open walls, according to Tiger Foam. $315 sale price on Tiger Foam’s website.
  • Quick Cure Formula – 600 Board Feet Spray Foam Insulation Kit – This closed cell kit can yield around 600 board feet. This can be used in open walls, according to Tiger Foam. The price is $640 on Tiger Foam’s website.
  • Open Cell Formula – 1,350 Board Feet Spray Foam Insulation Kit – This kit yields around 1,350 board feet. This kit can be used in open walls and attics. The online price for this kit is $795.

What Isn't Included in DIY Spray Foam Insulation Kit Costs

The above prices don’t include the cost of other materials such as coveralls or a hooded suit, eye protection, gloves, and masks.

You'll also need to make sure you buy plastic and tape for prepping to ensure the spray foam doesn't get where you don't want it. Other costs include getting rid of your old insulation at a dump, buying garbage bags, and the cost of your own time to do the work, as well as the time it's going to take to learn exactly how to use the do-it-yourself foam insulation kit.

Most of the kits come with additional hoses and guns, but those items clog easily. Buying replacements is another added expense.

Where to Use DIY Spray Foam Insulation Kits

Spray foam insulation kits can be used in any area of the home that is open.

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These areas include the attic, open wall cavities, crawl space, and rim joist. Also, around the windows, doors, and to patch existing insulation.

What you will want to keep in mind is the area's size to be insulated, along with the proper thickness in inches of foam needed. The prices above are for one kit only, so insulating larger areas or multiple spaces could get costly.

Do-It-Yourself Spray Foam Insulation vs. Hiring a Contractor

How Much Do DIY Spray Foam Insulation Kits Cost in 2022? (3)

The prices listed above cover just the spray foam kits if you decide to do the job yourself.

If the project seems too big for your abilities, you may decide to hire a contractor instead.

To hire a contractor would be more expensive, but that extra cost comes with peace of mind that the job will be done correctly. It’s also important to note that you will have to buy not only enough product to finish the job, but also enough to cover any wasted product lost while learning how to use it.

Also, keep in mind that insulation contractors usually have a minimum job cost. In some cases, spray foam kits work really well for small projects, so it wouldn’t make sense to hire a contractor. However, when you crunch the numbers for a job even as little as a rim joist and factor in your time and wasted material, it will probably be cheaper to hire a contractor. This is especially true if they offer a warranty.

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Hiring an experienced contractor is advised to save yourself the headache of a mishap, wasted materials, and to avoid damage to your home. A good contractor doesn’t use foam insulation kits. This is because they’re challenging to use and are often times inferior to the high-pressure spray foam products used by professionals.

Learning More About Foam Insulation

You’ve learned how much the DIY spray foam kits cost, so now you may be looking to learn even more about foam insulation benefits.

From making your home more energy-efficient and comfortable to reducing outside noise from getting into the house, spray foam has a lot to offer.

If you’d like to learn about all things foam insulation, check out the Learning Center on our website.

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About Amanda Ringler

Amanda previously has worked as a breaking news and crime reporter, TV news producer, and editor in Flint and Detroit. Throughout her career as a journalist, she has won several awards from The Society of Professional Journalists - Detroit Chapter and the Michigan Press Association. As part of the RetroFoam of Michigan family, Amanda uses her experience as a journalist to write content that will help educate homeowners on the benefits of foam insulation. When Amanda isn’t writing, she’s spending time with her husband and rescued huskies. She also loves knitting, making art, cooking, and hosting dinner and a movie night for friends and family.

FAQs

Can I do spray foam insulation myself? ›

The answer: no. In fact, the better answer is absolutely not. More often than not, homeowners are looking to replace or augment existing fiberglass or another kind of insulation. Although spray foam is very sticky, it does not adhere well to fiberglass insulation.

How many square feet does a spray foam kit cover? ›

A typical set of closed cell spray foam is about 4,000 bf (board foot) which is equal to spraying an area the size of 4,000 square feet at a thickness of 1". Using these figures, spray foam professionals can then calculate the amount of material that is necessary to insulate a building.

How much does a 55 gallon drum of spray foam cover? ›

½# Open Cell Spray Foam 55 gallon kits: 16,000-21,000 board feet coverage We also have Open Cell Spray foam insulation for your project. Open cell is great for sound, and you will get your air barrier at 3.5” thickness.

How thick should spray foam insulation be? ›

Closed cell spray foam should be 4- to 5- inches on the ceiling and 2- to 3-inches in the walls. This might come as a surprise to you, but honestly, this is all the spray foam it takes to get the biggest bang for your buck with the air seal and thermal resistance needed for certain areas of the home.

Is do it yourself spray foam worth it? ›

If you're thinking about buying a do-it-yourself spray foam insulation kits for your home, fire officials and those in the industry recommend you think again because of safety and fire issues. Spray foam acts as a great insulator and vapour barrier, but it's made up of chemicals and needs to be handled with care.

Why do lenders not like spray foam insulation? ›

Because getting rid of SPF once it's in place can be exceedingly difficult, often causing even more damage. The main reason that mortgage lenders may initially decline you is because the roof space has been sealed with SPF, which restricts air circulation, leading to condensation and wood rot, as mentioned above.

What is the R-value of 2 inches of spray foam? ›

R-Value In 2 Inches Of Spray Foam

The R-value ranges from R-3.5 to R-3.6 per inch. The filling of a 2×4 cavity yields about an R-13.

How do I calculate spray foam insulation? ›

To calculate how much foam you require to complete a job, multiply the square feet of area by the thickness of the foam to be sprayed. If the area is 1000 ft2 and you want to spray the foam 2½” thick, then multiply 1000 ft2 x 2½” which equals 2500 bf of foam required to spray the area.

How long does spray foam insulation last? ›

Both types of spray foam insulation can last anywhere from 80 years to 100 years, with closed cell spray foam having a slight edge in terms of durability. For most families, this represents the lifetime of the house and then some!

How do you spray foam yourself? ›

How to Install Spray Foam Insulation DIY - YouTube

How much spray foam is too much? ›

To install spray foam too thick is to ruin it. As a rule of thumb, most 2-pound spray foam or medium-density spray foam should be installed in layers no more than 2 inches thick. Each “pass” or “lift” should be allowed to cool before another layer is added. This foam was sprayed in too thick a layer.

What is R value for spray foam insulation? ›

The R-Value for spray foam insulation can vary depending on the product, manufacturer, and other variables. Open cell spray foam insulation is R-3.6 to R-3.9 per inch. This R-Value is normal for open cell spray foam. Closed cell spray foam insulation is R-6 to R-7 per inch.

What is the area of 600 board feet? ›

A 600 board foot kit will cover 600 square feet at 1 inch thickness or 300 square feet at 2 inches thick. A 200 board foot kit will cover 200 square feet at 1 inch thickness, and so on.

Do you need vapor barrier with spray foam? ›

Home » FAQs » Do I need a vapor barrier with spray foam insulation? Usually no. Closed cell foam is a vapor barrier. Open cell foam is a vapor retarder, but its moisture permeability properties in our climate are sufficient for most structures.

Is open cell or closed cell spray foam better? ›

Due to the lighter density of open cell foam, it will perform much better than closed cell when it comes to sound dampening. The thicker, softer material of open cell will reduce sound waves much more efficiently than that of the tight, dense closed cell foam.

Which is better closed or open cell foam insulation? ›

Closed cell foam has a higher R-value than open cell foam, usually about 6.0 per inch. But some closed cell foams, like Tiger Foam's E84 Closed Cell formula, have even higher ratings that go up to almost 7 per inch. This higher rating makes closed cell foam better at keeping heat in or out of a structure.

Can you spray foam insulation in existing walls? ›

To install spray foam insulation in an existing wall, you will need to create a few small holes around one inch or less in diameter and inject the liquid spray foam directly into the wall cavity. Once injected, the spray foam will begin to slowly expand and fill every nook and cranny in the existing wall.

Should I spray foam my attic? ›

Insulating the attic rafters with spray foam creates a conditioned space where your attic is the same temperature as the rest of your home. This keeps the external weather and moisture outside of the attic space so you don't have to worry about any moisture problems or air infiltration.

How do you insulate an old house without tearing down walls? ›

How to Insulate Walls in an Old House
  1. Apply a house wrap/vapor barrier to exterior walls.
  2. Attach 1-inch foam board insulation.
  3. Install siding over the insulation.
  4. Replace old windows with energy-efficient units.
  5. Caulk window trim and use weatherstripping to reduce air leaks.

Can mold grow behind spray foam insulation? ›

Foam building insulation, in both spray foam and foam board products, is resistant to mold growth but as we will explain here it is not absolutely mold-roof, and on occasion we do find mold growth on the surface of even closed-cell foam, in open-celled foam (rare), and on th surface of EPS and other foam insulating ...

What is the R-value of spray foam in a 2x4 wall? ›

Open-cell spray foam absorbs and holds water. It has a lower R-value per inch than closed-cell foam and is vapor-permeable. The R-value is R-3.5 to R-3.6 per inch, so filling a 2×4 cavity yields about an R-13.

What is the purple spray foam insulation? ›

WALLTITE® (PU) : The purple insulation.

Is spray foam waterproof? ›

Whether your spray foam insulation is waterproof depends on the type of material you use. In short, closed cell spray foam is waterproof while open cell spray foam is not. This is because closed cell spray foam insulation is a denser material, while open cell spray foam is lighter and expands more.

How many square feet does a froth pak 620 cover? ›

Dow Froth Pak 620, 2 Spray Sealant Kits, Closed Cell Foam, Covers 1240 sq ft.

How do I calculate how much insulation I need? ›

Measure the length and width of all exterior windows. Subtract the area of windows, doors, or walls you aren't planning to insulate. [(Interior perimeter × height) − (window and door area + any walls/areas not insulating)] ÷ 144 = total square feet.

How much is a bat of insulation? ›

Batt insulation cost

Batt and roll insulation costs $0.80 to $2.60 per square foot installed or $1,100 to $3,900 total, depending on the R-value and project size. A roll of insulation costs $20 to $90 and covers 40 to 75 square feet. Labor costs $0.50 to $1.30 per square foot to install batt insulation.

Does spray foam crack? ›

Spray foam is rigid and inflexible once it cures, and foam boards are rigid from the outset. So when these materials expand and contract because of temperature changes - and that's when, not if - they can crack.

Which is better insulation fiberglass or spray foam? ›

Spray foam insulation fills all spaces, preventing air from escaping. It acts as an air barrier. Like cellulose insulation, spray foam insulation is significantly more efficient than fiberglass and has a higher R-value.

Can spray foam rot your roof? ›

Studies show that open-cell spray foam is risky in colder climates. Indoor moisture diffuses through the foam and comes in contact with the cold roof sheathing. The spray foam traps the moisture against the roof, which results in eventual decay.

Which side of insulation foam faces out? ›

The reflective side of the board should be oriented to the exterior and the non- reflective white side should be oriented to the interior. EXCEPTION: If vinyl siding is to be installed over AP™ Foil- Faced sheathing, install foam boards with the white nonreflective side toward the vinyl siding.

Can great stuff be used as insulation? ›

GREAT STUFF™ Outdoor Insulating Foam Sealant is the easy-to-use solution that brings long-lasting, airtight and water-resistant seals to the home beyond the household. * Read all instructions and (Material) Safety Data Sheet ((M)SDS) carefully before use.

How long does it take to spray foam a house? ›

Injecting foam insulation into existing walls could take two to five hours on average. The time it takes to inject the foam into the walls depends on the size of the area, siding type, if the home is one or two stories, and any bump-outs in the home design.

Why do lenders not like spray foam insulation? ›

Because getting rid of SPF once it's in place can be exceedingly difficult, often causing even more damage. The main reason that mortgage lenders may initially decline you is because the roof space has been sealed with SPF, which restricts air circulation, leading to condensation and wood rot, as mentioned above.

Is spray foam insulation worth it? ›

If you see the benefit of insulating your new construction home correctly from the start for long-term comfort, energy savings month after month, and fewer headaches while you live in the house, then spray foam insulation may very well be worth the extra cost to you.

How do you make homemade spray foam? ›

DIY Spray Foam Insulation - Poor Man's Spray Foam - YouTube

How much does it cost to spray foam a shed? ›

Spray foam is available in two different types: open-cell spray foam which is usually $1.00 to $1.20 per square foot and closed-cell spray foam which is about $1.25 to $1.50 per square foot (1″ by 12″ x 12″ area of coverage). The average cost to have spray foam professionally installed is about $2,400 for a 1,600 sq.

Can mold grow behind spray foam insulation? ›

Foam building insulation, in both spray foam and foam board products, is resistant to mold growth but as we will explain here it is not absolutely mold-roof, and on occasion we do find mold growth on the surface of even closed-cell foam, in open-celled foam (rare), and on th surface of EPS and other foam insulating ...

How long does spray foam last? ›

With proper application, Spray Foam will last the lifetime of your home. Even roofing applications will last upwards of 30 years, with proper long-term maintenance. Spray Foam insulation adheres extremely well to virtually all substrates, and maintains its rigidity once dry.

Is open cell or closed cell spray foam better? ›

Due to the lighter density of open cell foam, it will perform much better than closed cell when it comes to sound dampening. The thicker, softer material of open cell will reduce sound waves much more efficiently than that of the tight, dense closed cell foam.

Does spray foam increase home value? ›

Conclusion. Simply put, if you want to look for a type of home upgrade that's not only affordable but also provides your home with so many benefits, spray foam will increase the value of your home.

Which is better spray foam or insulation? ›

When it comes to which is best in the spray foam insulation vs. fiberglass debate, spray foam wins, hands down. If you're a DIY-er, you may be used to installing fiberglass insulation. But if you're looking for something that will last a lifetime, let a professional install spray foam.

How do you calculate spray foam insulation? ›

To calculate how much foam you require to complete a job, multiply the square feet of area by the thickness of the foam to be sprayed. If the area is 1000 ft2 and you want to spray the foam 2½” thick, then multiply 1000 ft2 x 2½” which equals 2500 bf of foam required to spray the area.

How many square feet does 200 board feet cover? ›

A 200 board foot kit will cover 200 square feet at 1 inch thickness, and so on.

What is the R-value of 2 inches of spray foam? ›

R-Value In 2 Inches Of Spray Foam

The R-value ranges from R-3.5 to R-3.6 per inch. The filling of a 2×4 cavity yields about an R-13.

How much does it cost to insulate a 1500 square foot house? ›

Property owners should expect to spend about $975 to $11,250 to insulate a 1,500-square foot home. Take note that insulation costs may vary and can increase or decrease, depending on whether the insulation comes during or after the construction of the house.

What is the best insulation to use in a shed? ›

The best all-around shed insulation is spray foam insulation. However, if you're looking for a low-cost DIY option, the best insulation for you may be a roll insulation product such as fiberglass insulation.

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