Plain Insulation | McMaster-Carr

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Electrically Insulating

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

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DFARS Specialty Metals

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12,464 Products

Heating, Ventilation, and Air Conditioning

Insulation Sheets

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

254 products

Insulation Hanger Studs

Press insulation sheets onto the spike to secure them to walls and other flat surfaces

17 products

Pipe Insulation

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

74 products

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

151 products

Heat Barriers

Protect equipment and surfaces from damage caused by nearby heat sources

10 products

Raw Materials

Foam

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

932 products

Fabric

Use to cover, clean, and insulate objects

101 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

1,415 products

Plastic

A lightweight alternative to metal and glass

5,598 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

89 products

Felt

Thicker and more absorbent than fabric for insulating, polishing, cushioning, and gasketing

640 products

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

2,840 products

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

62 products

Sealing

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

120 products

Edge Seals

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

122 products

Building and Machinery Hardware

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

32 products

Sound Barrier Sheets

Block and reflect noise to keep it from reaching other parts of your facility

5 products

Lighting

Black-Out Paper and Tape

Block out stray and unwanted light

1 product