Construction & Building Timber
It starts with a solid foundation
Harper Timber is a major stockist of structural timber and engineered wood products. Below are our common stock sizes. Other sizes, lengths and grades can often be supplied on request, so call us if you can't see what you need.
- Design Pine
- Kiln Dried Hardwood
- Unseasoned Hardwood
- Hyjoist
- Hyspan
- Kiln Dried Oregon
- Oregon
- MGP Pine
- RH Pine (untreated)
- Treated Pine H3 & H4 (rougherheaded)
Design Pine
Engineered from LOSP-treated plantation pine that is finger jointed and laminated. Stable and beautifully finished, it's ideal wherever a long-lasting, uniform result is needed.
| Grade | Sizes (mm) |
|---|---|
| F7 | 66 × 30, 66 × 42, 66 × 66, 90 × 30, 90 × 42, 88 × 66, 138 × 30, 138 × 42, 88 × 88, 185 × 30, 185 × 42, 112 × 112, 230 × 30, 230 × 42, 135 × 135, 280 × 30, 280 × 42, 185 × 185 |
| GL8 | 140 × 65, 180 × 65, 240 × 65, 280 × 65, 290 × 65, 320 × 65 |
| GL10 | 140 × 65, 180 × 65, 240 × 65 |
Kiln Dried Hardwood
Machine finished with uniform sizing and a minimum stress grade of F17, suited to heavy construction and load-bearing applications. F17 and F27 are supplied in a Class 1 & 2 species mix. F17 is also available in Class 3 for interior use only. F27 is available in Class 1 species (Blackbutt and Merbau) on request.
| Thickness | Sizes (mm) |
|---|---|
| 35 mm | 70 × 35, 90 × 35, 120 × 35, 140 × 35, 190 × 35, 240 × 35, 290 × 35 |
| 45 mm | 70 × 45, 90 × 45, 120 × 45, 140 × 45, 190 × 45, 240 × 45, 290 × 45 |
220 mm and 270 mm widths, and 3.3, 3.9, 4.5, 5.1 and 5.7 m lengths, are available on request.
Unseasoned Hardwood
Supplied unseasoned, sawn or dressed, with large section sizes available. Species include Grey Box, Grey Gum, Spotted Gum, Blackbutt, Ironbark, Tallowwood and Turpentine.
| Thickness | Sizes (mm) |
|---|---|
| 25 mm | 50 × 25, 75 × 25, 100 × 25, 150 × 25 |
| 38 mm | 50 × 38, 75 × 38, 100 × 38, 150 × 38 |
| 50 mm | 50 × 50, 75 × 50, 100 × 50, 125 × 50, 150 × 50, 200 × 50, 250 × 50, 300 × 50 |
| 75 mm | 75 × 75, 100 × 75, 125 × 75, 150 × 75, 200 × 75, 250 × 75, 300 × 75 |
| 100 mm | 100 × 100, 125 × 100, 150 × 100, 200 × 100, 250 × 100, 300 × 100 |
| 125 mm | 125 × 125, 150 × 125 |
| 150 mm | 150 × 150 |
Section sizes up to 450 × 450 mm and longer lengths are available on request.
Hyjoist
A lightweight engineered flooring solution made from plantation pine and treated against termites. Long lengths are available, up to 13.2 m.
| Thickness | Sizes (mm) |
|---|---|
| 45 mm | 200 × 45, 240 × 45, 300 × 45 |
| 63 mm | 240 × 63, 300 × 63, 360 × 63 |
| 90 mm | 240 × 90, 300 × 90, 360 × 90, 400 × 90 |
Hyspan
Engineered from layered timber veneer bonded with external-grade glue, Hyspan is an excellent alternative to hardwood or steel. Long lengths and large sections are available, and it can be supplied H2 treated for termite protection. Ideal where a single span is required.
| Thickness | Sizes (mm) |
|---|---|
| 36 mm | 95 × 36, 130 × 36, 150 × 36, 170 × 36, 200 × 36, 240 × 36 |
| 45 mm | 95 × 45, 130 × 45, 150 × 45, 170 × 45, 200 × 45, 240 × 45, 300 × 45, 360 × 45, 400 × 45 |
| 63 mm | 95 × 63, 130 × 63, 150 × 63, 170 × 63, 200 × 63, 240 × 63, 300 × 63, 360 × 63, 400 × 63, 450 × 63, 600 × 63 |
| 75 mm | 150 × 75, 300 × 75, 400 × 75, 525 × 75, 600 × 75 |
Kiln Dried Oregon
Imported from North America, kiln dried and machine finished. An excellent choice where exposed beams or joists are wanted for their looks. Can be plated for lengths over 6.0 m.
| Thickness | Sizes (mm) |
|---|---|
| 45 mm | 90 × 45, 140 × 45, 190 × 45, 240 × 45, 290 × 45 |
Oregon
Imported from North America and supplied unseasoned with a sawn finish. High-quality construction timber, available in large section sizes and long lengths. Can be dressed to order.
| Thickness | Sizes (mm) |
|---|---|
| 25 mm | 50 × 25, 75 × 25, 100 × 25, 150 × 25, 200 × 25 |
| 38 mm | 50 × 38, 75 × 38, 100 × 38, 150 × 38, 200 × 38 |
| 50 mm | 50 × 50, 75 × 50, 100 × 50, 150 × 50, 200 × 50, 250 × 50, 300 × 50 |
| 75 mm | 75 × 75, 100 × 75, 150 × 75, 200 × 75, 250 × 75, 300 × 75 |
| 100 mm | 100 × 100, 150 × 100, 300 × 100 |
| 150 mm | 150 × 150, 200 × 150, 250 × 150, 300 × 150 |
| 200 mm | 200 × 200, 250 × 200, 300 × 200 |
| 250 mm | 250 × 250, 300 × 250 |
| 300 mm | 300 × 300 |
Lengths up to 7.8 m are available on request, and plating is available for longer lengths.
MGP Pine
Australian plantation-grown pine, kiln dried, machine finished and machine stress graded. Cost-effective and widely used. Can be supplied H2 treated for termite protection.
| Thickness | Sizes (mm) |
|---|---|
| 35 mm | 70 × 35, 90 × 35, 120 × 35, 140 × 35, 190 × 35 |
| 45 mm | 70 × 45, 90 × 45, 140 × 45, 190 × 45 |
| 70 mm | 90 × 70 |
| 90 mm | 90 × 90 |
3.3, 3.9 and 4.5 m lengths are available on request. Fabrication or plating is available for lengths over 6.0 m.
RH Pine (untreated)
Kiln dried, machine finished plantation pine, generally used for roofing and floor joists. Suitable for indoor applications only.
| Thickness | Sizes (mm) |
|---|---|
| 45 mm | 140 × 45, 190 × 45, 240 × 45, 290 × 45 |
Treated Pine H3 & H4 (rougherheaded)
Kiln dried, machine finished and treated against termites and decay, suitable for exterior uses such as decking and pergolas. In-ground applications such as posts need a minimum of H4.
| Thickness | H3 sizes (mm) |
|---|---|
| 19 mm | 42 × 19, 70 × 19, 90 × 19 |
| 35 mm | 70 × 35, 90 × 35, 140 × 35 |
| 45 mm | 70 × 45, 90 × 45, 140 × 45, 190 × 45, 240 × 45, 290 × 45 |
| 70 mm | 90 × 70, 140 × 70, 190 × 70, 240 × 70, 290 × 70 |
| 90 mm | 90 × 90, 140 × 90 |
90 × 90 mm is available in both H3 laminated and H4 solid.
Stock and sizes change. Please contact us to confirm availability and pricing.
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