Sealing Foam | McMaster-Carr

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3,394 Products

Raw Materials

Foam

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

Sealing

Gasket Tape

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

EMI/RFI Shielding Gaskets

EMI/RFI Shielding Gaskets

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

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Made-to-Order Gaskets

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

Edge Seals

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

Backer Rods

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

Thread Sealants

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

Backer Rod Insertion Tools

Backer Rod Insertion Tools

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

Fastening and Joining

Tape

Bind, seal, and mark surfaces

Adhesives

Bond surfaces together

Adhesive Primers

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Heating, Ventilation, and Air Conditioning

Spray Foam Insulation

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

Pipe Insulation

Pipe Insulation

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

Foam Insulation Coatings

Foam Insulation Coatings

Shield foam pipe insulation from moisture, UV rays, and ozone

Building and Machinery Hardware

Edge Trim

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

Surface Guards

Protect walls and other flat surfaces from impact

Corner Guards

Shield corners on walls and other surfaces from impact

Facility and Grounds Maintenance

Surface Fillers

Surface Fillers

Repair chips, cracks, and tears in various surfaces

Roof Coatings

Form a water-resistant layer to restore and reinforce your roof

Toilet Sealing Rings

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

Material Handling

Dock Door Seals

Dock Door Seals

Close the gap between dock doors and trailers to keep heated or cooled air in and dust out

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)