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Nelson Firestop Mineral Wool is used in many Firestop Systems in conjunction with various Firestop Sealants to assure the integrity of the fire rated seal against the spread of fire, smoke and gasses. 

The Mineral Wool offered is a packing grade wool designed for hand packing.
Features
  • Can be applied by hand, using gloves and a blunt instrument, to achieve a tight pack.
  • Final packed density is proportional to the packing pressure.
  • Apply the required depth as required by the Nelson™ system drawing and application detail.
  • The density of the mineral wool is nominally 8 pcf, but the final density, in application, will vary with the packing pressure applied during installation.
  • Up to 4 hour fire rating.
  • Gray to tan in color.
  • Low odor
  • Supplied in a 6.8 kg (15 lb) bulk package that is 0.05 cubic meters (1.75 cubic feet).

Specifications

Brand

NEC/CEC Certifications & Compliances

  • ASTM E-84, Flame Spread, Smoke Developed. ASTM E-136, Noncombustible

Storage & Handling

  • It Should be Stored Indoors, in the Supplied Cartons, to Protect from Moisture, There are No Indications of Any Shelf Life Limitations. Partially used Packages Should be Re-wrapped in Their Original Packaging Before being Stored

Test Compliance

  • The Mineral Wool Has Been Tested, in Conjunction with Many Various UL Systems. See Nelson™ Firestop™ System Drawings for Application & Referenced Tested System Number
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