Online Course – Breathable Walls

Upcoming course dates: TBC

This is a 1 hour online theory course that will cover the following essential topics:

  • Moisture movement through the wall
  • Indoor air quality
  • Insulation v thermal mass
  • The difference between vapour permeability and breathability
  • How natural fibres and lime plaster deal with moisture

Course dates: TBC

Location: Online

Times: The course will run from 12 – 1 pm

Cost: £15

Payment: You can pay by BACs, PayPal or cheque. Please use booking reference BW and the date of the course e.g. BW18Jan

To Book: Please email to confirm which date you will attend and send your payment as soon as possible as our courses fill up quickly and we operate on a first come first served basis. We will then send you further details.

Payment should be made by BACs as detailed here:

Nat West Bank

Sort Code: 60-09-27

Account Number: 79606113

Please use reference: BW18Jan


Or can be made by PayPal here. Please click ‘Send’, enter the course fee, and write the reference ‘BW and the date of the course e.g. BW’ in the notes box.

Or can be made by cheque made payable to School of Natural Building and sent to:

Hollinroyd Farm, Todmorden, OL14 8RJ


If you have any other questions, please email We look forward to having you join us!