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Box penetration seal system DS 90-for fire protection walls F30-F90 for wall entry and penetration mortar and filler-free fixing Fixing with tried-and-tested FX4 lug screws with integrated sealing insert ensures room sealing on the smoke side (cold smoke tightness) long-lasting durability of the building material European Technical Approval ETA-14/0159 Milled hole :74 mm min. wall thickness:100 mm Cable ducts up to max. 5x2.5 mm 2 :6-Design of prefabricated penetration seal-Shape round-Outer height 86.5 mm-Outer diameter 74 mm-Inner diameter 40 mm-Min. wall thickness 100 mm-Suitable for max. cable diameter 21 mm Cable diameter 21 mm-Accessories required no-Suitable for lightweight walls (drywall construction) yes-Suitable for solid walls (wet construction) yes-Suitable for solid ceilings no-Suitable for flush floor installation no-Suitable for flush ceiling installation no-Suitable for empty plastic conduits yes-Minimum clearances required within the fire penetration seal no-Bran
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