(Of a coating or sealant) swelling up when heated, thus protecting the material underneath or sealing a gap in the event of a fire: intumescent fire-retardant paints
More example sentences
- Columns of the arcade are simply the rolled steel members of the frame, exposed and made silver with intumescent paint.
- If alternative panels cannot be used then the ends of the sandwich panels must be sealed and locked together in a non-combustible wall intumescent seal.
Definition of intumescent in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.