Closed-Cell Foam | McMaster-Carr

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For Use Outdoors

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3,128 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

Stick in place around doors, enclosures, and vents to create a leak-resistant seal

5 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

493 products

Thermal Insulation Sheets

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

23 products

Fastening and Joining

Tape

Bind, seal, and mark surfaces

312 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