Insulating Foam Sealant

A better understanding of foam in a can

Cans of Spray Foam Sealant with a Foam Gun on Display.

Spray Foam Insulation in a Can

Typical Uses

  •  Filling gaps and cracks around window and door frames
  •  Closing gaps around outside-wall penetrations made by gas lines, water faucets or dryer-vent hoses
  •  Filling gaps inside the home caused by electrical line or HVAC vent penetrations

Insulating foam sealant, also known as foam in a can or one-component foam, is typically used for small projects, such as sealing cracks and gaps. This foam is available to both professional insulation contractors as well as homeowners. It's popular with users looking for ways to save money on energy bills and ways to use less energy.

Spray foam in a can sealant bonds readily to masonry, glass, metal, wood, and many plastics. See the manufacturer's instructions for more information on product uses. It sets and cures quickly, hardening into a protective shield that prevents air from crossing the foam barrier.

How is Insulating Foam Sealant Applied?

Anyone can buy spray foam in a can from your local hardware or home improvement stores. Prior to use, it is importnat to read, understand and follow all product instructions for handling and usage.
Once the foam has cured, it can be sanded, trimmed, painted or stained, as directed by the product instructions.

Safety Factors When Using Canned Foam.

Follow the manufacturers recommended usage instructions for safe applications.
Read, understand, and follow all instructions on the product label carefully.

  • Provide ventilation: Provide ventilation as recommended by the product manufacturer to avoid overexposure through inhalation.
  • Wear appropriate protective gear (PPE). Like clothing, gloves, and eye protection recommended by the product manufacturer when applying insulating spray foam in a can. Avoid direct skin contact.