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Spray Foam Vs Rigid

Spray Foam Vs. Rigid Foam Insulation

Spray Foam Insulation Installed In Bluffton

Best-suited for big jobs. Two-part spray foam provides excellent air sealing and insulation, and is often sprayed against open framing, as in this attic installation.

Remember when a pink panther held the monopoly on home insulation? Those days are gone. Today homeowners, contractors and building scientists (the experts who study home energy performance) spend a lot of time talking about foam insulation. But this newly popular insulation can come in many forms. Right now, let's consider the differences between the spray foam and rigid foam. More specifically, we can compare the closed-cell spray foam that requires two components to be mixed at the application nozzle, and the rigid foam insulation boards that come in different thicknesses.

Both two-component spray foam and rigid foam are useful for improving home energy performance. Sometimes it can be difficult to decide whether spray foam or rigid foam is best for a particular application.

Find out which insulation is right for your home

Insulation is essential for energy efficiency, and nobody knows insulation better than Carolina Energy Conservation. Call or email today to arrange for a Free Quote for home insulation in Myrtle Beach, Charleston, Sumter, and other areas including Bluffton, Florence, Mount Pleasant, North Charleston, Darlington, Beaufort, Goose Creek, and more.

The Pros and Cons of Spray Foam and Rigid Foam Insulation

Two-Component Spray Foam

Pros:
  • Provides both insulation and air sealing; air sealing is excellent because the foam expands to fill gaps and cracks.
  • High R-value —about R-7 per in. depending on formulation.
  • Speedy installation. Foaming can be done in a fraction of the time it takes to cut, fit, and seal rigid board insulation.
  • Once cured, spray foam insulation stays in place; it won't shift, settle, or fall out of place.
Cons:
  • Messy; overspray can deposit foam where it must be removed.
  • Respirators and protective clothing must be worn during installation.
  • If the area being insulated cannot be isolated from living space, occupants must vacate premises until foam cures – typically two hours.
  • Temperature sensitive; cold temperatures can cause problems with foaming action or curing.
  • R-value can degrade slightly over time.

Rigid Foam insulation

Pros:
  • Provides both insulation and air sealing, provided that seams between foam panels are sealed with tape.
  • Less messy than spray foam.
  • Different thicknesses are available to suit different application & R-value requirements.
  • Panels are easy to cut and can be installed in any temperature.
  • Safe handling; no harmful emissions during installation.
  • Best installation for insulating crawl space and basement walls.
  • Some rigid foam panels (like SilverGlo™, for example) include a radiant barrier for additional energy savings.
Cons:
  • R-value varies based on type of rigid foam. It can be as low as R-3.8 per in. or as high as R-8 per in.
  • More time-consuming installation than spray foam in some (but not all) applications.
  • Sometimes single-component spray foam must be applied around edges of rigid foam to seal and hold panel in place.

Be sure to check out our other content to help in choosing the best spray foam insulation and the best spray foam contractor in South Carolina & North Carolina.

Start Saving Energy and Money With An Insulation Upgrade.

Call 1-855-410-0662 or contact us online to schedule a Free Quote for spray foam insulation in Sumter, Charleston, Myrtle Beach, Florence, Bluffton, North Charleston, Mount Pleasant, Beaufort, Goose Creek, Darlington, and nearby.

We can also identify the other major areas in your home that are depleting your home's energy. Our home energy audit is a wonderful resource for prioritizing your home's energy upgrades and repairs.

Looking for a price? Get a no cost, no obligation free estimate.

our service area

We serve the following areas

North Carolina
  • Ash
  • Bladenboro
  • Bolivia
  • Bolton
  • Carolina Beach
  • Cerro Gordo
  • Chadbourn
  • Clarendon
  • Clarkton
  • Council
  • Elizabethtown
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  • Fairmont
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  • Hallsboro
  • Kure Beach
  • Lake Waccamaw
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  • Maxton
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  • Orrum
  • Pembroke
  • Rowland
  • Saint Pauls
  • Southport
  • Supply
  • Tabor City
  • Tar Heel
  • White Oak
  • Whiteville
South Carolina
  • Bennettsville
  • Blenheim
  • Clio
  • Darlington
  • Dillon
  • Fork
  • Green Sea
  • Hamer
  • Hartsville
  • Lake View
  • Latta
  • Little Rock
  • Mc Coll
  • Mullins
  • Nichols
  • Sellers
  • Society Hill
Our Locations:

Carolina Energy Conservation
9516 Highway 707
Myrtle Beach, SC 29588
1-843-492-4395


Carolina Energy Conservation
40 Pennington Dr Unit C
Bluffton, SC 29910
1-843-305-8205
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