Timber assignment

Timber Assignment

5 types of timber used in New Zealand construction. . .

1.      Rimu (red pine)

2.      Kahikatea (White Pine)

3.      Kauri

4.      Matai

5.      Rewa Rewa (Honeysuckle)

What’s the difference between exotic, native and imported timber and give an example of each. . .

1.      Exotic – imported and grown in new region(Oak–European)

2.      Native – always grown in the region it is from (NZ-RIMU)

3.      Imported – brought over from another region (Fijian-Kauri)

How is timber treated to protect it from insect and fungal (rot) attack?

It is sprayed with a chemical. . . .

How does timber treatment fit in with the New Zealand Building Code (Nzbc)?

Timber treatment

H3.1 and H3.2 treated timber - Identification and use

In 2004, Acceptable Solution B2/AS1 was amended to cite NZS 3602: 2003 Timber and Wood-based Products for Use in Building. The Standard introduced a number of changes including the introduction of two new hazard classes for treated timber - H3.1 and H3.2.

Although both H3.1 and H3.2 can be used for timber exposed to exterior conditions not in ground contact, there are important differences between them. This article is a fresh reminder of their relative uses and how to identify them on site.