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Passive fire protection

Fire-rated encasement boards

Fire-resistant gypsum, calcium silicate or vermiculite boards that encase steel columns and beams, ducts and shafts in tested systems.

Category
Passive fire protection
Standards
EN 13501-1 · BS 476 · EN 13381-4 …
Brands
Knauf · Saint-Gobain
Fire-rated encasement boards
Illustration

Overview

Board encasement gives a flat finish, goes up dry and its thickness is easy to check by eye. It suits columns and beams in offices and corridors and combines well with fire-rated ceilings and walls.

Fire resistance depends on layers, board thickness, framing and joint treatment as tested. Any substitution within the system needs approval from the fire safety designer.

Uses

  • 01Encasing steel columns and beams in offices and lobbies
  • 02Smoke ducts and service shafts
  • 03Fire-rated walls and ceilings
  • 04Protection of critical cable trays

Selection and acceptance checks

  • Install the tested system (boards, framing, screws, sealant)
  • Check layers and staggered joints
  • Check sealing at wall and floor penetrations

Reference standards

  • EN 13501-1
  • BS 476
  • EN 13381-4
  • QCVN 06:2022/BXD

For reference only. The standards for each project follow its design documents, current Vietnamese codes and the investor’s requirements.

Reference brands

Brands are listed for reference; World Steel selects suppliers according to each project’s specification.

Sectors and solutions

Sectors

FDI factories Data centers High-rise buildings Logistics and cold storage

World Steel services

Design and BIM General contracting Expansion and upgrade

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