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Product images: the manufacturer (official).
Board encasement
Vermiculite fire protection board
A light exfoliated-vermiculite board – easy to cut and fix on site for steel encasement and fire-rated ductwork.
- A1 (typical)
- Reaction to fire
- up to R240
- Typical rating
- Dry – box encasement
- Installation
Supplied by World Steel with your steel building or on its own – one order, one shipment, one partner.
Overview
About Vermiculite fire protection board
Exfoliated vermiculite bound into a light, rigid board.
Fixed around steel or as duct and wall linings.
Thickness set from the section factor and the required rating.
Key benefits
- Light and easy to handle at height
- Non-combustible
- Simple cutting and fixing on site
- Suitable for steel, ducts and fire walls
World Steel · building envelope hub
How we use Vermiculite fire protection board in steel buildings
World Steel supplies fire boards with the steel structure, sized from the member schedule and packed with the steel, so the encasement contractor starts as soon as the frame is erected.
- 01Specified with the structure – thickness, density and facing matched to the roof, wall and fire design.
- 02Quantities taken from the same 3D model as the steel, purlins and cladding.
- 03Packed and shipped with the steel package – one delivery schedule to site.
Applications
Where Vermiculite fire protection board is used
- Steel columns and beams
- Smoke and fire-rated ducts
- Fire walls and barriers in industrial buildings
Technical data
Vermiculite fire protection board – technical properties
Typical properties
| Property | Unit | Value |
|---|---|---|
| Reaction to fire | — | A1 non-combustible, typical |
| Typical rating range | min | 30 – 240 |
| Assessment | — | EN 13381-4 · local fire-resistance tests |
Values as published by the manufacturer for this market. Always check the current data sheet and the approvals required for your project before ordering.
Steel encasement boards
Related products
Board encasementCalcium silicate fire protection boardView product →Boards · cement-basedCement-based fire protection boardsView product →Boards · encasement systemsSteel encasement systemsView product →← Boards for encasing structural steelFire Protection Boards →
FAQ
Frequently asked questions
What thickness of vermiculite fire protection board do I need?
It depends on the member size (section factor), the critical temperature and the required fire rating – the fire engineer or the manufacturer's tested data gives a thickness for each member.
Does World Steel supply branded products?
Yes – we supply the brand and listed system your specification or authority requires. This page describes the product type.
One partner for structure and envelope
Send us your drawings or bill of quantities – we quote the steel, insulation, boards and ceilings together and ship them as one package.