SilentBoard 18mm Thick Fibre Cement Floorboard

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SilentBoard - 600mm x 1200mm x 18mm Fibre Cement Floorboard


What Are The Benefits?

SilentBoard is a unique A1 fire rated high density fibre cement floor board designed to be used in a wide range of applications.  The high mass properties helps to reduce airborne noise penetration and transfer through separating floors.

SilentBoard installed on top of R10 Acoustic Matting provides a very efficient and stable floating floor.  With it being fibre cement it is not effected by weather/moisture so provides an ideal structural platform to work from, even if exposed to the elements.

SilentBoard has Tongue and Grove on all 4 sides making it simple to fit.  It is easy to lay with minimal waste and is frost, moisture and weather resistant. As well as being Class A1 fire resistant it is also 100% completely recyclable.

As well as the acoustic improvements that come with this product it will also help to improve thermal properties specifically when used in conjunction with underfloor heating.

SilentBoard has a wide range of suitable applications including flat roofs, loft conversions, renovations, new builds, bathrooms, kitchens, wetrooms, mezzanine flooring and more.  It can be laid on metal, timber and concrete structures and any type of floor can be laid on top of it.

By using SilentBoard in your build you are guaranteed to have a squeak free installation when used in conjunction with Green Glue Joist Tape.

SilentBoard is produced by STS and comprises of Portland cement, cellulose fibres, sand, water and other minor aggregates.  These construction boards completely fulfil the requirements or resistance, safety and durability required in the construction of buildings as well as the most stringent environmental regulations.  When exposed to moisture these boards don't change shape, rot or expand like chipboard, plywood or other timber based flooring.


Please Note: Due to shipping constraints there is a minimum order of 10 for this product

What Are The Technical Details?

Product Name SilentBoard
Product Composition A1 High Density Fibre Cement Floorboard
Product Size 600mm x 1200mm
Product Thickness 18mm
Weight Per Panel 18.8kg
Area Covered Per Sheet 0.72sqm
Density >1200kg/m3
Thickness Tolerance +/- 5%
Dimension Tolerance +/- 1mm
Weight Tolerance +/- 5%
Modulus Of Rupture EMC - min 10 MPa
Free Moisture Content 6%
Water Absorption - submersion after 22 hours 36%
Lamina Bond Strength 0.9 MPa
Thermal Conductivity (K) (30° C Mean Temperature) 0.172 W/M .k
pH Value 10.4
U Value 0.1047 Wm2K
Fire Rating Class A1