2 December 2021
Ed Grove
[FYI request #17375 email]
Tēnā koe Ed
Thank you for your FYI request of 28 October 2021 and subsequent clarification of 4 November 20201
to the Ministry of Education requesting the fol owing information:
1. a copy of the BRANZ report/opinion dated on or about 7 June 2011 provided by BRANZ to the
Ministry of Education, in response to the Ministry of Education's query as to whether walls with
top and bottom vented wal cavities are more able to manage water leaks than walls with
bottom only vented cavities.
2. Documentation from 7 June 2011 through end of 2014 either:
a.
addressing the specific topic of the risks/benefits and science of top-vented cavity
construction as compared to solely bottom vented cavity construction; or
b. [has]
made reference to the 7 June 2011 [BRANZ]
report
Your request has been considered under the Official Information Act 1982 (the Act).
We have identified two documents in scope of your request. I am providing you with the 2011 BRANZ
Report DC2095
Top Vented Water Managed Cavities as
Document One.
I am also providing you with guidance document
Weather-tightness and Durability Requirements for
School Property as
Document Two, which was issued by the Ministry in 2014. This guidance was
original y issued in April 2011 and was subsequently updated in August 2014 following the advice
provided in the BRANZ Report. This document was further revised in September 2020. I recognise that
these iterations of this guidance may also be of interest to you, and therefore I am also providing you
with these versions as
Documents Three and
Four.
Please note, the Ministry now proactively publishes OIA responses on our website. As such, we may
publish this response on our website after five working days. Your name and contact details wil be
removed.
Thank you again for your email. You have the right to ask an Ombudsman to review this decision. You
can do this by writing t
o [email address] or Office of the Ombudsman, PO Box 10152,
Wel ington 6143.
Nāku noa, nā
Scotty Evans
Hautū | Deputy Secretary
Te Puna Hanganga, Matihiko | Infrastructure and Digital
OIA: 1275439
National Of ice, Mātauranga House, 33 Bowen Street, Wellington 6011
PO Box 1666, Wel ington 6140. Phone: +64 4 463 8000 Fax: +64 4 463 8001
education.govt.nz