From £24.37 + VAT per bag

Insulating levelling aggregate – Cemwood CW2000

Cemwood CW2000 levelling fill is:-

  • an eco-friendly, insulating aggregate made from mineralised wood chips.
  • a rapidly installed, load bearing, levelling, insulation fill for solid floors.
  • great acoustic and thermal insulation for suspended floors.
  • a load bearing, levelling underlay to the Lithotherm underfloor heating heating system.
  • part of the Lithowood system alternative to concrete floor slabs.

Product overview

Where is it used?

  • Cemwood CW2000 can be used as an insulation fill under wet or dry screed materials, under floating timber floors or under the Lithotherm underfloor heating system.
  • It can also be used within timber floor structures to reduce sound transmission and increase thermal insulation.
  • Suitable for new build or refurbishment projects.

How is it used?

  • Areas should be dry and free of debris and moisture for maximum effectiveness.
  • The Cemwood CW2000 comes in sacks and can be simply poured in to place and levelled off.
  • The easiest way to instal is to set up rails, using timber battens or metal pipes and level off with a long straight edge.
  • Once levelled, carefully remove rails and fill in voids.
  • Before laying a timber floor over, add a layer of 22mm UdiTOP wood fibre boards to spread the load and prevent any granules getting in to the T&G joints in the flooring.

How much will you need?

Cemwood CW 2000 has a density of 0.36kg per mm per m² (1mm thickness over 1m²). Each 18kg bag (50 litres)  will cover up to 1m² at 50mm thickness or 5m² at 10mm thickness which would be the minimum thickness.

Frequently asked questions

How long does it take to set?

  • Cemwood CW 2000 is a dry product and can have a load applied to it immediately after laying. There is no drying required.
  • We can also supply a Silicate solution which can be sprayed over the Cemwood CW 2000 to bind the surface granules together. This will typically cure overnight to form a hard crust on the surface. Please contact us for details.

What are its properties?

  • Thermal conductivity – 0.075 W/mK
  • Impact noise reduction – 18 dB
  • Grain size – 4 – 8mm

Technical details

Pricing & shipping

This product will require one pallet space and so shipping is likely to cost between £50 and £100, depending on where you live. Contact Us for a more accurate costing.

Bag weight (kg) Coverage [m²]Single bag costFull pallet bag cost
181m2 @ 50mm£25.06£22.56

Book your free project consultation

We’d like to hear from you. Call us on 01392 861763 or email us at chris@backtoearth.co.uk with any questions or comments.

If you can’t seem to find what you need on our website or you have large quantities of materials to purchase please contact us for a chat and we’ll offer you a more bespoke solution.

We’re normally open from 8.30 am to 5 pm Monday to Thursday, and 8.30 am to 1pm on Friday.

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