It is a mastic in the form of a ready-tape, soft adhesive developed for use as a compression sealant in delicate situations. The strips are made of hydrocarbon rubber and contain special additives which cause the product to swell when exposed to fire or other heat source and become insulating material resistant to the passage of smoke and flames.
- Fire Resistance: Appropriate equipment is resistant to fire for up to half an hour. BS476 Section: 20 approved according to 1987 standard.
- Application flexibility: Provides excellent adhesion to wood, metal and glass.
- Ease of application: Available in standard width and length.