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Neoprene Sponge-Foam Rubber, Closed Cell - Sheets

Neoprene Sponge-Foam Rubber, Closed Cell - Sheets

5· 10 ratings

Best price now

$22.67at eBayObserved at 3:58 PM

53% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Our take on the Neoprene Sponge-Foam Rubber, Closed Cell - Sheets

Closed-cell neoprene (chloroprene) sponge-foam rubber in black sheets, sold here in 1/32-inch thickness with a 36-inch width and 360-inch length. It is medium firmness (about 9-13 psi compression deflection), water resistant, and rated for roughly -40 to 250 °F, so it works for sealing, cushioning and light acoustic or shock isolation. The 1/32-inch sheet is thin, so it suits gaskets, liners and surface padding rather than filling large gaps. The best new price is $22.67 at eBay as of November 4, 2026, with 3 stores listing it new.

Best forDIY gaskets, seals and weatherstrippingCushioning and shock isolation under light loadsLining cabinets, cases and vehicle interiorsCraft and repair work needing a thin, water-resistant sheet
Pros
  • Closed-cell foam resists water absorption (5% max by weight)
  • Wide service range, about -40 to 250 °F
  • Cuts easily with scissors or a knife
  • Meets ASTM D-1056 2C2 and MIL-R-6130 Type 2 Grade A specs
  • Available with or without peel-and-stick adhesive
Cons
  • 1/32 inch is thin; not for filling wide gaps
  • Medium density may be too soft for heavy compression loads
  • Tensile strength is only about 100 psi
  • Adhesive version costs more and limits repositioning

Neoprene Sponge-Foam Rubber, Closed Cell - Sheets prices at every store

  • eBayNew

    In stockSold by yassi-5820

    $22.67Free shippingObserved at 3:58 PM
    Visit store
  • Rubber Sheet Warehouse®New

    In stock

    $48.00Verified
    Visit store
  • Home DepotNew

    In stock

    $72.98Free shippingObserved at 3:58 PM
    Visit store

Neoprene Sponge-Foam Rubber, Closed Cell - Sheets price history

Lowest price we've seen: $22.67 on Nov 4 at eBay. Tracked across 2 stores since Nov 4.

What reviewers say

Buyers rate it 5 out of 5 from 10 ratings and describe it as easy to cut and work with. The peel-and-stick backing is reported to hold well and release cleanly, and shipping was fast.

Pros
  • Self-adhesive backing works well and peels off easily
  • Cuts easily with scissors
  • Good product quality
  • Fast shipping and a knowledgeable vendor
Cons
  • One reviewer would pick the heavy density next time

From Rubber Sheet Warehouse®

  • Closed cell neoprene sponge-foam rubber sheets
  • Available with and without (PSA) peel-and-stick adhesive on one side
  • Medium density of 6+/-2 lbs per cubic foot
  • Temperature range of -40 to +250 °F
  • Tensile strength minimum 100 PSI
  • Elongation 150%
Sizes
1/16".062" Inches, 1/8".125" Inches, 3/16".187" Inches, 1/4".250" Inches, 3/8".375" Inches, 1/2".500" Inches, SAMPLE: 3.5" Inches X 7", 18" Inches x 54" Inches, 36" Inches x 54" Inches, 48" Inches x 54" Inches, 54" Inches x 10' Feet
Materials
Neoprene sponge-foam rubber, closed cell
Shipping
Free shipping on all online orders; all orders ship in approximately 1-3 business days unless quoted otherwise.
Size chart
ThicknessSize
1/16".062" InchesSAMPLE: 3.5" Inches X 7"
1/8".125" Inches18" Inches x 54" Inches
3/16".187" Inches36" Inches x 54" Inches
1/4".250" Inches48" Inches x 54" Inches
3/8".375" Inches54" Inches x 10' Feet
1/2".500" Inches

About the Neoprene Sponge-Foam Rubber, Closed Cell - Sheets

• Color | Black

• Density LBS per Cu. Ft. | 6+/-2 Medium

• ASTM-D-1056 2C2

• ASTM-D-6576-07 Type 2 Grade A Medium

• MIL-R-6130 Type 2 Grade A

• Compression Def @ 25% | 5-9 PSI

• Water Absorption By Weight Max | 5%, 10% allowed

• Temperature Range | -40 to +250 Deg F.

• Elongation % | 150

• Tensile Strength Min | 100 PSI

• Available with and without (PSA) Peel and Stick Adhesive one side

What buyers say

Buyers like
  • Self-adhesive backing works well and peels off easily
  • Easy to work with and cuts easily with scissors
  • Excellent product quality
  • Fast shipping and knowledgeable vendor
  • Performs as hoped
Buyers complain about
  • One reviewer would choose the heavy density next time

Specifications

Cell Type
Closed CellSource
Firmness
Medium (9 - 13 psi)Source
Compression Deflection
13 psiSource
Thickness
0.03 inch (1/32'')Source

Questions and answers

Is 1/32-inch neoprene thick enough for a gasket?
For flat, well-mated surfaces and light sealing, yes. For uneven flanges or high-pressure seals, a thicker sheet or a firmer grade is a better fit.
Does it come with adhesive?
This listing is the plain sheet without adhesive. The same product is sold with peel-and-stick PSA on one side, which costs more.
What temperature can it handle?
About -40 to 250 °F in service. Keep it away from open flame and sustained heat above that range.
Can I use it outdoors?
It is water resistant and closed cell, so brief outdoor exposure is fine. For long-term sun exposure, cover or paint it, since neoprene degrades under UV.
How do I cut it cleanly?
Sharp scissors work for curves; a fresh utility blade and a straightedge give cleaner straight edges on the thin sheet.
Is $22.67 a good price?
It is the best new price among 3 stores as of November 4, 2026. Compare sheet size and whether adhesive is included before deciding.
Where is the Neoprene Sponge-Foam Rubber, Closed Cell - Sheets cheapest?
At eBay, for $22.67, 53% under what the other stores charge, as of our latest check.
What do buyers say about the Neoprene Sponge-Foam Rubber, Closed Cell - Sheets?
Rated 5 out of 5 from 10 ratings. Buyers like: Self-adhesive backing works well and peels off easily; Easy to work with and cuts easily with scissors; Excellent product quality. Common complaints: One reviewer would choose the heavy density next time.
Where can I buy the Neoprene Sponge-Foam Rubber, Closed Cell - Sheets?
3 stores we checked sell it, including Rubber Sheet Warehouse®, eBay, Home Depot.

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Width
36Source
Length
360Source
Material
[Chloroprene Rubber (CR)] NeopreneSource
Color
BlackSource
Tensile Strength
100 psiSource
Texture
SmoothSource
Backing Type
PlainSource
Adhesive Tape
Without AdhesiveSource
Form
Sheets
Product Type
Foam Insulation Neoprene Sheets
Insulation Type
Acoustic (Shock Absorption and Cushioning)
Insulated Plasterboard
No
Moisture Resistance
Water-tight properties, Water Resistant
Material Type
Foam Insulation
Facing
White release paper (on the back of the sheet)
Density
High-density
Recommended Usage
Indoor
Suitable Surfaces
Sides of garages, Cabins, Decks
Installation Method
Adhesive
Operating Temp Range
-150°C to 50°C