What are some of the top-rated foam board insulation?

One of our top-rated foam board insulation is the <a href="https://www.homedepot.com/p/SilveRboard-1-in-x-2-ft-x-48-in-R5-Radiant-Acoustic-Insulation-Kit-STC-19-12-sheets-96-sq-ft-SB12AKIT/205975329?emt=plpfaq_2410_foamboardinsulation" style="text-decoration: underline;">1 in. x 2 ft. x 48 in. R5 Radiant Acoustic Insulation Kit - STC 19 (12 sheets) - 96 sq. ft.</a>.

When should I use foam board insulation?

Foam board insulation is ideal for various applications, including <a href="https://www.homedepot.com/b/Building-Materials-Insulation-Foam-Board-Insulation/Exterior-Wall-Foundation/N-5yc1vZbaxxZ1z0uuau?emt=plpfaq_2410_foamboardinsulation" style="text-decoration: underline;">foundation walls</a>, <a href="https://www.homedepot.com/b/Building-Materials-Insulation-Foam-Board-Insulation/Attic/N-5yc1vZbaxxZ1z1bkhc?emt=plpfaq_2410_foamboardinsulation" style="text-decoration: underline;">attic floors</a>, <a href="https://www.homedepot.com/b/Building-Materials-Insulation-Foam-Board-Insulation/Crawlspace/N-5yc1vZbaxxZ1z1bkee?emt=plpfaq_2410_foamboardinsulation" style="text-decoration: underline;">crawl spaces</a>, and <a href="https://www.homedepot.com/b/Building-Materials-Insulation-Foam-Board-Insulation/Exterior-Wall/N-5yc1vZbaxxZ1z1bla8?emt=plpfaq_2410_foamboardinsulation" style="text-decoration: underline;">exterior walls</a>. It provides a moisture barrier, which is especially beneficial in areas where moisture is a concern.

How do I cut foam board insulation?

You can cut foam board insulation using a sharp utility knife or a saw. For cleaner cuts, use a straightedge as a guide. Making slow, deliberate cuts is important to avoid crumbling the foam.

Foam Board Insulation - The Home Depot

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Owens Corning

41 Results

Owens CorningFOAMULAR NGX Insulating Sheathing 0.5 in. x 4 ft. x 8 ft. SE R-3 XPS Rigid Foam Board Insulation

(4.7 / 167)

Model# 13NGX

$2297

Buy 10 or more $20.67

Best Seller

Owens CorningFOAMULAR NGX F-250 2 in. x 4 ft. x 8 ft. SSE R-10 XPS Rigid Foam Board Insulation

(4.7 / 480)

Model# 52DDNGX

$5997

Buy 10 or more $53.97

Owens CorningFOAMULAR NGX F-150 1 in. x 4 ft. x 8 ft. SSE R-5 XPS Rigid Foam Board Insulation

(4.7 / 480)

Model# 20WENGX

$3197

Buy 10 or more $28.77

Owens CorningFOAMULAR NGX 1 in. x 2 ft. x 2 ft. R-5 Project Panel XPS Rigid Foam Board Insulation

(4.7 / 315)

Model# 9WE

$997

Henry1 in. x 48 in. x 8 ft. R-3.85 Insulating Sheathing

(4.6 / 1797)

Model# 320821

$1598

Buy 10 or more $14.38

3/4 in. x 1.25 ft. x 4 ft. R-2.65 Polystyrene Panel Insulation Sheathing (6-Pack)

(4.5 / 410)

Model# 150705

$1497

/package

Buy 10 or more $13.47

Top Rated

Pro Select R-Matte Plus-3, 0.5 in. x 48 in. x 8 ft. R-3.2 ISO Rigid Foam Board Insulation

+more available options

RMAXPro Select R-Matte Plus-3, 0.5 in. x 48 in. x 8 ft. R-3.2 ISO Rigid Foam Board Insulation

(4.6 / 966)

Model# 637902

$2788

Buy 10 or more $25.09

Owens CorningFOAMULAR 1/4 in. x 4 ft. x 50 ft. R-1 Fanfold Rigid Foam Board Insulation Sheathing

(4.7 / 431)

Model# 21UM

$6497

Buy 10 or more $58.47

Henry1/2 in. x 48 in. x 8 ft. R-1.93 EPS Rigid Foam Board Insulation

(4.6 / 1797)

Model# 320810

$1197

Buy 10 or more $10.77

Insulfoam3/4 in. x 14-1/2 in. x 4 ft. R-2.9 Wall DIY Rigid Foam Insulation (6-Pack)

Model# 324861

$1497

/package

Buy 10 or more $13.47

CellofoamPolyPanel 3/4 in. x 1.2 ft. x 4 ft. R-2.9 Insulating Sheathing (6-Pack)

Model# 00024

$1497

/package

Buy 10 or more $13.47

Owens CorningFoamular NGX 1.5 in. x 14.25 in. x 4 ft. R-7.5 XPS Project Wall Panels Rigid Foam Board Insulation

(4.7 / 480)

Model# 36WENGX

$1498

Foam Board Insulation

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Owens CorningFOAMULAR NGX Insulating Sheathing 0.​5 in.​ x 4 ft.​ x 8 ft.​ SE R-​3 XPS Rigid Foam Board Insulation

Owens CorningFOAMULAR NGX F-​250 2 in.​ x 4 ft.​ x 8 ft.​ SSE R-​10 XPS Rigid Foam Board Insulation

Owens CorningFOAMULAR NGX F-​150 1 in.​ x 4 ft.​ x 8 ft.​ SSE R-​5 XPS Rigid Foam Board Insulation

Owens CorningFOAMULAR NGX 1 in.​ x 2 ft.​ x 2 ft.​ R-​5 Project Panel XPS Rigid Foam Board Insulation

Henry1 in.​ x 48 in.​ x 8 ft.​ R-​3.​85 Insulating Sheathing

3/​4 in.​ x 1.​25 ft.​ x 4 ft.​ R-​2.​65 Polystyrene Panel Insulation Sheathing (6-​Pack)​

RMAXPro Select R-​Matte Plus-​3, 0.​5 in.​ x 48 in.​ x 8 ft.​ R-​3.​2 ISO Rigid Foam Board Insulation

Owens CorningFOAMULAR 1/​4 in.​ x 4 ft.​ x 50 ft.​ R-​1 Fanfold Rigid Foam Board Insulation Sheathing

Henry1/​2 in.​ x 48 in.​ x 8 ft.​ R-​1.​93 EPS Rigid Foam Board Insulation

Insulfoam3/​4 in.​ x 14-​1/​2 in.​ x 4 ft.​ R-​2.​9 Wall DIY Rigid Foam Insulation (6-​Pack)​

CellofoamPolyPanel 3/​4 in.​ x 1.​2 ft.​ x 4 ft.​ R-​2.​9 Insulating Sheathing (6-​Pack)​

Owens CorningFoamular NGX 1.​5 in.​ x 14.​25 in.​ x 4 ft.​ R-​7.​5 XPS Project Wall Panels Rigid Foam Board Insulation

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Owens CorningFOAMULAR NGX Insulating Sheathing 0.5 in. x 4 ft. x 8 ft. SE R-3 XPS Rigid Foam Board Insulation

Owens CorningFOAMULAR NGX F-250 2 in. x 4 ft. x 8 ft. SSE R-10 XPS Rigid Foam Board Insulation

Owens CorningFOAMULAR NGX F-150 1 in. x 4 ft. x 8 ft. SSE R-5 XPS Rigid Foam Board Insulation

Owens CorningFOAMULAR NGX 1 in. x 2 ft. x 2 ft. R-5 Project Panel XPS Rigid Foam Board Insulation

Henry1 in. x 48 in. x 8 ft. R-3.85 Insulating Sheathing

3/4 in. x 1.25 ft. x 4 ft. R-2.65 Polystyrene Panel Insulation Sheathing (6-Pack)

RMAXPro Select R-Matte Plus-3, 0.5 in. x 48 in. x 8 ft. R-3.2 ISO Rigid Foam Board Insulation

Owens CorningFOAMULAR 1/4 in. x 4 ft. x 50 ft. R-1 Fanfold Rigid Foam Board Insulation Sheathing

Henry1/2 in. x 48 in. x 8 ft. R-1.93 EPS Rigid Foam Board Insulation

Insulfoam3/4 in. x 14-1/2 in. x 4 ft. R-2.9 Wall DIY Rigid Foam Insulation (6-Pack)

CellofoamPolyPanel 3/4 in. x 1.2 ft. x 4 ft. R-2.9 Insulating Sheathing (6-Pack)

Owens CorningFoamular NGX 1.5 in. x 14.25 in. x 4 ft. R-7.5 XPS Project Wall Panels Rigid Foam Board Insulation