Hi everyone,
One of my Stegbar doors has been damaged by my builder and I am wondering if it is possible to patch up the door or if I am justified…

That is surely not off-white.

Please be careful about what you post on your blog. What they have is actually Table 7.5.2.1. Perhaps they have an out-of-date version of AS3500.3.

Most major libraries have free access.

Here's a link to the ICANZ installation requirements. ICANZ is the industry group for insulation installation.
http://icanz.org.au/wp-content/uploads/ ... 0.2016.pdf

Grab the manufacturers installation guide, check out the link below and try to find a copy of AS3999.
http://www.yourhome.gov.au/passive-desi ... stallation

The standard has not changed since 2014. The latest version was published on November 5th 2014.

Any thoughts on what is happening here?

Here is the section from AS3958 you wanted...