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EWI Timber Frame Rendered

EWI Timber Frame Rendered

The system complies with the most stringent of standards – from baseline building regulations through to Passivhaus*. The system is available in an extensive number of render options including, colour, texture and weathering resistance. 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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Thermally broken washer, self-tapping fixings to anchor wall Insulation systems ..

Starting at: £18.82 Inc VAT: £18.82


Diffutherm External Woodfibre T&G Insulation Boards for Render Pavatex Di..

Starting at: £11.11 Inc VAT: £11.11


Pavaflex, is a high performance, natural insulation manufactured from sustainabl..

Starting at: £17.17 Inc VAT: £17.17

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

Reinforcing Mesh (Normal), R131

Alkali resistant fibre mesh. Application  Reinforcing mesh for NBT Re..

£52.12 Inc VAT: £62.54

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