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Heavy duty re-useable glasscloth bags containing blended mineral wools and heat expandable fillers
- Can be used to provide up to 2 hours fire resistance to services penetrating fire resistant wall and floor constructions
- Temporary seals around penetrating services through openings in fire separating walls and floors; for example, during the construction phase of large building projects
- Permanent reusable seals around penetrating services through openings in fire separating walls and floors where frequent service modification is required
- Sealing cables within cable trunking where future service modification is expected