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.
- 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.
If you would like a sample please click on the ‘add sample to basket’ button at the bottom right of this page and select your samples. Once selected you can add other products also, but please make sure you click on the sample basket at the top of the website to complete your request.
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.
- 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
Modular / Offsite