Wienerberger – Technical Information

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Wienerberger Certificates

All installers of the Porotherm Clay Construction Block system are required to be licensed and certified by Stellaria NZ Ltd (certifications below). If you would like to inquire about onsite training for your contractors, contact us.

Wienerberger Training Certificate Porotherm Clay Block Construction

Wienerberger Training Certificate Installation of plain and interlocking tiles

Aaron Falconer Training Certificate Cover Page

Adrian Wheeler Training Certificate Cover Page

Jeff Fairweather Training Certificate Cover Page

Josh Membry Training Certificate Cover Page

Omar Smith Training Certificate Cover Page

Environmental Product Declaration


Facing Bricks	Clay Roof Tiles