Closed-Cell Foam | McMaster-Carr

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3,124 Products

Raw Materials

Foam

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

1,962 products

Sealing

Edge Seals

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

294 products

Gasket Tape

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

10 products

Backer Rods

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

19 products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

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

489 products

Thermal Insulation Sheets

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

24 products

Fastening and Joining

Mounting Tape

Mount everything from signs and panels to carpet and padding

299 products

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

9 products

Fabricating and Machining

Casting Compounds

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

5 products

Building and Machinery Hardware

Vibration-Damping Sheets and Tape

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

8 products