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Waterproof Self Adhesive Neoprene Foam Sheet

Waterproof Self Adhesive Neoprene Foam Sheet

Best price now

$17.04at Home DepotChecked 1 h ago

28% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $17.04 at Home Depot (checked Nov 14, 2026).
  • Checked at 6 stores.

Our take on the Waterproof Self Adhesive Neoprene Foam Sheet

This is a single roll of dense closed-cell neoprene foam with a pressure-sensitive adhesive backing, sized 12 by 59 inches and finished in matte black. The closed-cell structure resists liquid water and stays firm under clamping force, and the score-cut design lets you size pieces with ordinary scissors. It suits weatherstripping, gaskets, vibration damping and craft work more than it suits soft cushioning, since the density trades plushness for durability. Compared with open-cell foam tape, it seals out water better and holds up longer outdoors, but it is stiffer and less forgiving on uneven surfaces.

Best forWeatherstripping doors and windowsAutomotive gaskets and vibration dampingContractors sealing gaps on flat surfacesDIY craft and padding projects
Pros
  • Closed-cell foam repels liquid water
  • Pressure-sensitive adhesive bonds to clean metal
  • Flame-retardant chemistry
  • Score-cut design sizes with household scissors
  • Matte black hides minor scratches
  • Dense foam holds shape under clamping force
Cons
  • Stiff foam conforms poorly to curved or uneven surfaces
  • Adhesive needs a clean, flat surface to hold
  • Single roll limits larger jobs
  • Density makes it a poor choice for soft cushioning

Waterproof Self Adhesive Neoprene Foam Sheet prices at every store

  • Home DepotNew

    In stock

    $17.04Free shippingChecked 1 h ago
    Visit Home Depot
  • OverstockNew

    In stock

    $19.79+ $6.99 shippingChecked 1 h ago
    Visit Overstock
  • ZoroNew

    In stock

    $23.59+ $5.99 shippingChecked 1 h ago
    Visit Zoro
  • VXB.com BearingsNew

    Availability unknown

    $49.99Checked Nov 4
    Visit VXB.com Bearings
  • WalmartNew

    Availability unknownSold by Rubber-Cal Inc.

    $62.29Checked 1 h ago
    Visit Walmart
  • Lowe'sNew

    Out of stock

    $17.04+ $5.99 shippingChecked 1 h ago
    Visit Lowe's

Waterproof Self Adhesive Neoprene Foam Sheet price history

$49.99$17.04
Nov 4Nov 14

Lowest price we've seen: $17.04 on Nov 14 at Home Depot; highest $49.99 on Nov 4. Tracked across 6 stores since Nov 4.

From VXB.com Bearings

  • Dense closed cell neoprene foam roll provides a waterproof cushion
  • Pressure sensitive glue layer bonds instantly to clean steel panels
  • Flame retardant chemistry stops spark migration during cutting
  • Score cut design allows fast sizing with standard household scissors
  • Matte black finish conceals minor scratches along window frames
  • Closed cell architecture repels liquid water while staying rigid under clamping force
Materials
High density closed cell neoprene rubber with a reinforced polymer blend
Fit
Measures 12 by 59 inches
Sizing
Score cut design allows fast sizing with standard household scissors
Returns
Free, easy and hassle-free returns on every order
Shipping
Orders currently take 5-10 business days to process before shipping

About the Waterproof Self Adhesive Neoprene Foam Sheet

This is a self-adhesive neoprene foam sheet in matte black, supplied as a single roll measuring 12 by 59 inches. It is made of high-density closed-cell neoprene rubber with a reinforced polymer blend. The closed-cell structure repels liquid water and stays rigid under clamping force.

A pressure-sensitive adhesive layer bonds to clean steel panels. The foam can be cut to size with standard household scissors. It can be used as a waterproof cushion for automotive door gaskets and residential window frames, to block wind drafts, to absorb vibration from running fans and compressors, and to seal gaps around loading docks and cargo floors.

The material is flame retardant and resists sunlight without fracturing when summer heat causes thermal expansion. The matte black finish hides minor scratches.

Material
High-density closed-cell neoprene rubber with a reinforced polymer blend
Dimensions
12 x 59 inches
Color
Matte black
Adhesive
Pressure-sensitive, bonds to clean steel panels
Water resistance
Waterproof, closed-cell structure
Fire resistance
Flame retardant
Cutting
Cuts with standard household scissors
Sun resistance
Withstands direct sunlight
Quantity
1 roll

Questions and answers

Is this foam actually waterproof?
Yes. The closed-cell structure traps isolated gas pockets that repel liquid water, so it works as a weather seal rather than a sponge.
Can I cut it with regular scissors?
Yes. The score-cut design is meant to be sized with standard household scissors, so no special tools are needed.
What surfaces does the adhesive stick to?
The pressure-sensitive glue is made to bond to clean steel panels and similar flat, clean surfaces. Dust or oil weakens the bond.
Is it flame retardant?
The material is described as flame retardant, which slows spark migration during cutting work. It is not a substitute for proper fire-rated barriers.
How thick and dense is the foam?
It is a dense closed-cell neoprene roll, firm enough to stay rigid under clamping force. That firmness makes it better for sealing and damping than for soft padding.
Will it work outdoors in direct sun?
The polymer blend is made to withstand sunlight exposure without fracturing as it expands and contracts in heat.
Where is the Waterproof Self Adhesive Neoprene Foam Sheet cheapest?
At Home Depot, for $17.04, 28% under what the other stores charge, as of our latest check.
Where can I buy the Waterproof Self Adhesive Neoprene Foam Sheet?
6 stores we checked sell it, including Home Depot, Lowe's, Overstock, Zoro, Walmart.

Stores we've priced the Waterproof Self Adhesive Neoprene Foam Sheet at

  • Lowe's deals and prices
  • Overstock deals and prices
  • The Home Depot deals and prices
  • VXB.com Bearings deals and prices
  • Walmart deals and prices
  • Zoro deals and prices
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