Waterproof Foam | McMaster-Carr

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For Use Outdoors

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Pressure to Compress 25%

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Compliant with Exemptions

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REACH

Performance

Highly Thermally Stable

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Insulation Type

3,305 Products

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

1,988 products

Plastic

A lightweight alternative to metal and glass

23 products

Sealing

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

296 products

Gasket Tape

Seal openings such as those around windows, enclosures, and pipe flanges to prevent leaks

46 products

EMI/RFI Shielding Gaskets

Fit around enclosure doors or data connectors to prevent inaccurate signals and flickering displays

37 products

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

29 products

Backer Rod Insertion Tools

Quickly set foam backer rods in caulk joints at a consistent depth without puncturing them

2 products

Building and Machinery Hardware

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

2 products

Vibration-Damping Sheets and Tape

Stick to vibrating surfaces such as duct, between parts, or on floor joists to reduce noise

8 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

4 products

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

10 products

Surface Guards

Protect walls and other flat surfaces from impact

2 products

Hand Grips

Cover handles so they're more comfortable and secure to hold

41 products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

491 products

Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

17 products

Fastening and Joining

Mounting Tape

Mount everything from signs and panels to carpet and padding

298 products

Fabricating and Machining

Casting Compounds

Mix and pour into molds to capture intricate detail when casting parts, linings, and prototypes

5 products