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EWI Cross Laminated Timber (CLT) Clad

EWI Cross Laminated Timber (CLT) Clad

The system complies with the most stringent of standards – from baseline building regulations through to Passivhaus*.
The system is suitable for all external clad finishing options including brick, stone, timber, zinc, etc. All components for the system are available below.

The System Sheet will show you all the components required and which bits go where. Please note that to benefit from the BBA certificate all the system components specified must be used.


*NB. Any system designed by NBT as Passivhaus should be verified using the latest PHPP software to ensure the Passivhaus standard can be met. Passivhaus Store does not warrant any such system as being able to achieve the standard.


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Heco Topix Countersunk 6mm Wood Construction Screw

  6mm shank 60-300mm length. T25 drive The wood screw for professional..

Starting at: £17.40 Inc VAT: £17.40


Pavatherm Board: Woodfibre Square Edge Insulation Board is effective in reducing..

Starting at: £3.83 Inc VAT: £3.83

Reveal Boards

See Diffutherm for specification   ..

Starting at: £27.74 Inc VAT: £27.74

Pavabase Primer

Solvent-free standard primer for Pavatape75/150 and Pavafix 60. Application ..

£17.44 Inc VAT: £20.93

Pavatex ADB, Breathable Membrane

External Breathable membrane with two-way integrated self-adhesive strips. Ap..

£138.00 Inc VAT: £165.60

DG27 Primer 20kg

Fine dispersion, ready to use, solvent free liquid primer. Good adhesion to th..

£79.68 Inc VAT: £95.62

DS27 Contact

Adhesive and sealing product for bonding XPS plinth and perimeter boards below D..

£105.98 Inc VAT: £127.18

MC 55W

MC55W is a multi purpose bonding mortar and white base coat render. For use in a..

£19.36 Inc VAT: £23.23


A topcoat render application providing decoration and protection to facades. For..

Starting at: £57.67 Inc VAT: £57.67

XPS Plinth and Perimeter Board

External XPS Plinth Insulation Boards for Render Application: Wall, on to stu..

Starting at: £82.74 Inc VAT: £82.74