Australian Hardwood Timber Grades

Select grade timbers are ideal for modern minimalistic interiors while character grade may be perfect for a mountain top chalet.

Australian hardwood timber grades.

The stress grade is designated in a form such as f14 which indicates that the timber s working stress in bending is approximately 14 mpa megapascals. While in the past f grades have been the common timber grade designations over the past 15 years or so other grade designations have been derived for in grade tested pine mgp grades australian ash a grades and engineered products such as glulam gl grades plywood and lvl which both have their own independent grades. Solid timber is the expansion of nth coast timber the renowned nationwide supplier of a wide variety of species and grades of solid australian hardwood timber flooring decking parquetrym screening and cladding. They are all fire rate bal19 with the exception of spotted gum and red ironbark which are rated bal29.

The strength of australian timber is described in terms of stress grades stress grading is a way of classifying timber either visually or by mechanical means to indicate the basic properties to be used for structural design purposes. They are meant to be a guide to the aesthetic suitability of a timber. Timber hardwood visually stress graded for structural purposes. The stress grade will depend on the natural properties and characteristics of the species e g.

In victoria demolition of buildings will yield local southern species of timber such as messmate and other stringybarks mountain ash and some red gum. Closey s home improvement place has 3 basic grades of hardwood decking timber. Timber species strength durability rating tallowwood f17 f34 class 1 blackbutt f17 f34 class 1 ironbark f22 f42 class 1 spotted gum f17 f34 class 1 blue gum f14 f24 class 2 forest red gum. These grades do not say anything about the quality or durability of the timber.

Stress grades applicable to timber graded by a mechanical process are recorded on the piece by branding or colour coded markings in accordance with the relevant australian standard. Branding and marking graded timber. They all meet australian standards as2796. They are all termite resistant and class 1 durability.

Recycled timber species for a broad explanation of species commonly available for appearance grade uses see the atfa australian timber flooring association web site and follow this link. Applicable structural properties and other engineering design data including joint design are published in as 1720 1 1. Density knots sloping grain. Timber hardwood visually stress graded for structural purposes.

Timber hardwood sawn and milled products part 1. Timber hardwood sawn and milled products part 1.