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25mm Cewood wood wool boards on a pallet
25mm Cewood wood wool boards on a pallet
An image of a product
An image of a product 25mm Cewood wood wool boards on a pallet An image of a product

Cewood Wood Wool Board

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  • Product Overview
  • Technical Details
  • Installation guide

Main purpose

A breathable thermal and acoustic insulation panel that can be directly plastered on to

Use it on

Internal or external walls and ceilings

Overview

Cewood Wood Wool Construction boards are thermal and acoustic insulation boards made from 3.00mm wide wood wool strands bound together with cement.  The wiry ‘bird’s nest’ structure has a huge surface area which provides an excellent key for direct plastering. As a breathable (vapour open) carrier board, it is ideal for plastering with lime-based plasters and provides an alternative to gypsum plasterboard for internal finishes on any type of wall. Cewood wood wool boards are B-S1,d0 Euro fire class rated.

Where to use it

Cewood wood wool boards can be used internally or externally on any wall or ceiling in new or existing buildings. 

What it does

Wood Wool boards are breathable insulated construction panels that provide a robust and stable internal lining which can be plastered over with any lime plaster.  When left un-plastered, they can be painted with a breathable natural paint and used as acoustic insulation. The large surface area and irregular "birds nest" texture of the wood strands provide excellent acoustic dampening of airborne noise within rooms and reduces sound transmission within the building.

Why we love it 

Cewood boards are breathable and offer great flexibility of uses.  They provide the ideal surface for plastering allowing for a smooth plaster finish with additional thermal and acoustic insulation.  They allow breathable lime plasters to be used for final finishing instead of gypsum plasterboard in timber frame constructions. The breathability, compatibility with lime plaster and robustness makes Cewood wood wool boards an excellent choice for historic buildings with solid masonry construction.  

At 25mm thick and made from strongly bonded timber strands, walls finished with Cewood wood wool boards can have lightweight pictures, mirrors and shelving hung on them without the use of special plasterboard fixings. Be sure to use wood screws that are short enough to prevent puncturing the airtightness layer behind.  

Features

  • Provides thermal and acoustic insulation
  • Moisture vapour diffusion open
  • Can be used internally or externally
  • Strong and stable carrier board for plaster or render 
  • Ideal for newbuild and refurbishments / retrofit

Benefits

  • Fibrous "birds nest" structure provides an excellent key for lime plaster or render
  • In historic buildings or new build construction allows moisture vapour to diffuse through the building envelope in both directions.
  • Highly stable; will not shrink or compress over time so is ideal for older buildings with changing/variable humidity levels.
  • Improves U-value and thermal mass of the building element, which reduces heat loss in winter and reduces overheating in summer
  • The fibrous structure and density provides better acoustic noise reduction, improved acoustics and higher comfort levels for occupants.

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Technical Details

Key Technical Data

Technical Datasheet

Declaration of Performance (DOP)

Installation Guide

Installation Guide

Cewood Wood Wool boards can be directly fixed to timber studs, rafters or battened walls using galvanised 45mm x 4.5mm wood screws or with galvanised nails with washer (diameter ≥ 20mm).  Twelve fixings per board are required for the 2400 x 600mm boards and 6 fixings for the 1200mm x 600mm board. 

The boards should be installed perpendicular to timber studs/rafters parallel to horizontal battens. The smaller boards should be staggered and installed in a brick style pattern on large areas. 

Once fixed, Cewood Wood Wool boards can be directly plastered onto. No primer is required.


Cewood Wood Wool Boards installed on interior walls
Cewood Wood Wool Boards installed on interior walls

Installation Guide

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