SFRM · concealed steel
Low-density cementitious spray
A light cementitious spray for steel hidden above ceilings and inside walls – fast to apply over large areas, ratings up to about four hours.
- Low
- Density class
- up to ≈ 4 h
- Typical rating
- Interior, concealed
- Exposure
Suministrado por World Steel con su edificio de acero o por separado – un pedido, un envío, un socio.
Resumen
Acerca de Low-density cementitious spray
Sprayed directly onto clean, primed or bare steel as specified, in one or more passes.
Thickness set by the member, rating and listed design – measured to ASTM E605.
Covered by ceilings or linings – not for exposed, wet or high-traffic areas.
Ventajas principales
- Lowest cost per m² for long ratings
- Fast application over large areas
- Covers complex shapes and connections
- Also protects metal decks
World Steel · centro de envolvente del edificio
Cómo utilizamos Low-density cementitious spray en edificios de acero
World Steel coordinates sprayed fire protection with the steel: compatible primers, clean surfaces and member-by-member thickness schedules from the fire design.
- 01Especificado junto con la estructura – espesor, densidad y revestimiento adaptados al diseño de cubierta, fachada y protección contra incendios.
- 02Cantidades obtenidas del mismo modelo 3D que el acero, las correas y el cerramiento.
- 03Embalado y enviado con el paquete de acero – un solo programa de entrega a obra.
Aplicaciones
Dónde se utiliza Low-density cementitious spray
- Concealed beams and columns in offices and hotels
- Steel and metal decks above ceilings
- High-rise steel frames
Datos técnicos
Low-density cementitious spray – propiedades técnicas
Typical properties
| Propiedad | Unidad | Valor |
|---|---|---|
| Density | kg/m³ | low – typically ≈ 240 – 350 |
| Typical rating range | h | 1 – 4 |
| Test standards | — | ASTM E605 (thickness, density) · ASTM E736 (cohesion / adhesion) · UL 263 · EN 13381-4 |
Valores publicados por el fabricante para este mercado. Consulte siempre la ficha técnica vigente y las homologaciones requeridas para su proyecto antes de hacer el pedido.
Sprayed fire-resistive materials
Productos relacionados
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FAQ
Preguntas frecuentes
What thickness of low-density cementitious spray 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.
Un solo socio para estructura y envolvente
Envíenos sus planos o su listado de cantidades – cotizamos juntos el acero, el aislamiento, las placas y los cielorrasos y los enviamos en un solo paquete.