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KBS SEALBAG™ is a CE marked expanding firestop pillows allowing easy access and is ideal for penetration seals where changes such as retrofitting of cables or metal pipes are the rule rather than the exception (The system pays for it self where retrofitting is frequent). The bags consistings of tightly woven, durable coated cloth, filled with a combination of mineral fibers, incombustible components, waterinsoluble intumescent agents and special fire-retardant. KBS SEALBAG™ have very good water and weather- resistant and losing none of their properties even after monthslong immersion in water. The product is also dust-free and ideal for clean room applications.

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New design from 2021

KBS SEALBAG™ are tested internationally providing fire resistance class EI 120 according EN 13501-2. The product is used as firestop in penetration through walls and ceiling/floors. KBS SEALBAG™ is installed in minutes and therefore an ideal penetration seals where re-entry is frequent.
KBS SEALBAG™ is excellent as work place fire protection during risk phases in a construction site. A special design for High Voltage use is also available.

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- CE marked fires sealing system with  ETA
- Fire Resitance class according EN 13501-2
- Fire resitance up to EI 120
- 5 different sizes
- UL, FM m.fl
- Classified as permanent installation
- A Green alternative when recycling use
- Work place protection
- Refundable product
- High voltage design available




Technical Information
Installation and Assembly
Differency between expanding and intumenscent
A 4 hour fire test
Workplace Fire Safety


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This original Trademark Seal symbolizes over 50 years of unbroken experience and knowledge within passive fire protection.
It all started with Nasas Apollo program in the 60´s.
Don´t hesitate to put this Seal on your installations as well.

Contact us
+46 10 20 40 115

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Nääs Fabriker - Tollered

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KBS BRANDSKYDD AB +46 102040115