Certified Installer

We partner with the best building professionals in the industry, including, local building contractors.

Sometimes Licensed Building Practitioner status is not enough to ensure quality!

View the bottom of this screen for a DuPont™ Tyvek® Certified Installer nearest you!


To ensure DuPont™ Tyvek® Weather Barrier System is installed correctly we offer a Certified Installer Program.


This program is free of charge to the installer and is conducted by a Certified DuPont™ Tyvek® Specialist.

The program consists of classroom training  & infield installation practice validation.


The classroom content covers building science principles, DuPont installation best practices and common problems

to avoid including reverse shingling  of the building envelope.

The classroom training concludes with a written exam.

Infield validation includes inspection of installation practice on up to 5 projects.


To become a DuPont™ Tyvek® Certified Installer, Click Here!

KS Builders

Kiel Smith

Email: kiel@ksbuilders.co.nz

Tel: 027 664 2798

Web: www.ksbuilders.co.nz