Innate Materials · Material record 01
Red Beech timber
A New Zealand timber with a specific identity, a recognised decking context, and important distinctions between species, heartwood, product and project.
Identity
What Red Beech means here
Red Beech is the common name used here for Fuscospora fusca, a tree species endemic to New Zealand. Nothofagus fusca is a former scientific name that remains common in older timber and forestry material.
“Red Heart Beech” is not treated as another species. Heartwood and sapwood are parts of the timber record, and they can matter to an exterior application. A species name alone does not establish the grade, moisture condition, dimensions, source or quality of a finished board.
Application context
Red Beech and exterior decking
NZS 3602:2003 includes beech—including red beech—in dressing-heart grade, without preservative treatment, for replaceable unroofed decking in its 15-year durability table.
That is a defined pathway with conditions, not a blanket claim about all Red Beech or a guarantee for every deck. The timber component, finished product, design, exposure, installation and maintenance all remain relevant.
Wet walking surfaces need separate attention. Surface profile, coating, direction of travel, slope and the status of an access route can change the evidence a project needs.
Product
What a useful decking record should contain
Material
Species, heartwood and sapwood limits, grade and visible variation.
Board
Finished profile, nominal dimensions, tolerances, lengths and moisture condition.
Process
Drying, machining, sorting, finishing, packing and the checks applied.
Source
Current legal-source records tied to the timber offered, without exposing private details.
Use
Installation, wet-surface context, care, limitations and the decisions left to the project.
Innate is still bringing these fields into a controlled public product record. Until then, this page is material context rather than a complete specification or recommendation.
Before specification
Questions that belong to the project
- Is the deck roofed or unroofed, and can boards be inspected and replaced?
- Will the surface be part of a wet access route, stair, ramp or pool environment?
- How will water drain and how will air move around the boards and substructure?
- What surface appearance is wanted, and how much change and maintenance are acceptable?
- Which current product revision, finish, installation instructions and source records apply?
These questions are not a substitute for a designer, builder or other appropriate professional. They are a way to avoid asking a species name to answer a project question.