Siltech

  • Overview
  • Technical Data
  • Downloads

Overview

Fire rated calcium silicate board

RCM Siltech is a non-combustible flexible calcium silicate building board which provides superior workability due to a unique fibre reinforced formulation.

Siltech can be used in an extensive range of applications from fire rated partitions, non-combustible ceiling tiles, boiler encasing, door lining, timber frame fire rated floors/ceilings as well as an extensive range of OEM applications.

Siltech has been tested for 60 and 120-minute fire rated partitions.

Features

  • Fire rated to BS 476: part 4 non-combustible
  • Highly flexible
  • Dimensionally stable
  • Extensive range of applications
  • High levels of workability
  • Ceiling tiles available
  • Integrates with other RCM products

Standard board sizes

2400 x 1220mm (6mm, 9mm, 12mm and 15mm)

Other board sizes are available.

Workability

RCM Siltech can be drilled, screwed and nailed with conventional hand tools.

For cutting the product in any volume, we recommend the use of an RCM poly crystalline diamond Dart Blade to avoid excessive wear on other blades. Alternatively, RCM offer a complete fabrication service, please contact our technical department for details.

Key applications

  • Partition walling
  • Flooring and ceilings
  • Ceiling tiles
  • Door panels
  • OEM applications for improved strength and density
  • Wood burning stoves

Suitable for the following construction types

  • Lightweight Steel Frame
  • Timber Frame
  • Modular / Offsite

RIBA Product Selector

Technical Data

  • 1150 kg/m3
  • ≥8 N/mm2
  • 4000 N/mm2
  • ≤0.25 W/mk
  • ≤10%
  • ≤0.25%
  • BS 476 Part 4 Non-Combustible & BS 476 Part 22
  • Highly Resistant
  • Front Face - Smooth
  • Back Face - Textured
  • 30 years
  • 2440 x 1220mm
  • 6 9 12 15
  • 6.9 10.3 13.8 17.3
  • 24 28 31 33
    • Length
      ±3mm
    • Width
      ±3mm
    • Thickness
      ±0.5mm
    • Fire Reaction Tests
      Siltech has been tested by Exova for 60 and 120 minute partitions
    • BS 476 Part 4 Non-Combustible
    • BS 476 part 21 and BS 476 part 22 fire rated through wall solutions
    • Steel Frame
      4.8mm x 38mm Wing tip self drilling fixing
    • Timber Frame
      4.2mm x 42mm Climaseal self drilling fixing
  • Siltech non-combustible ceiling tiles can be supplied in 600 x 600mm. Bespoke cutting service available for all thicknesses.

Downloads

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We offer the full through wall solution

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