Spotted gum is an Australian hardwood with a lively grain and colours that run from pale grey-brown to deep chocolate. It is one of the hardest and most durable decking timbers available, and a favourite for homeowners in Point Cook who want a natural timber deck that is lighter and more varied than merbau. Wyndham's strong sun is the main thing a timber deck has to handle here: Laverton RAAF, the nearest Bureau of Meteorology station, records about 8.5 hours of sun a day in January and steady afternoon wind. Peak Decking builds spotted gum, blackbutt and ironbark decks across Point Cook, Williams Landing, Truganina and the rest of Wyndham, pre-drilled, fixed with stainless steel and oiled to hold their colour.
GET A FREE QUOTE
12
Decking services
13
Point Cook and nearby suburbs covered
Free
Measure and written quote
3 steps
Measure, permit, build
Peak Decking Point Cook
Spotted gum earns its place through three qualities that matter on an exposed Wyndham deck.
Spotted gum ranges from light grey-brown to dark brown within the same pack of boards, with a wavy, interlocking grain and occasional gum veins. Oiled, the colours warm up and the grain shows strongly. That natural variation gives a deck a relaxed, Australian look that suits both new estate homes and older brick houses.
Spotted gum is among the hardest commercial decking timbers, so it resists dents from furniture, heels and pets far better than softwood. It is naturally durable above ground, with good resistance to rot and termites, and the heartwood holds up well to weather when it is kept oiled and dry underneath.
Spotted gum, blackbutt and red ironbark are among the timbers classed as bushfire-resisting under the Australian Standard for building in bushfire-prone areas, AS 3959. Where a property is in a designated bushfire-prone area, the timber and construction are matched to the site's bushfire attack level, which is checked at the measure.


Peak Decking Point Cook
Spotted gum is one of several Australian hardwoods used for decks. Each looks different, and the choice usually comes down to colour.
Blackbutt is a pale, honey-coloured hardwood with a straight, even grain. It is hard and durable, and suits a light, modern deck or a coastal look. Like spotted gum, it is classed as bushfire-resisting. Its light colour stays cooler underfoot than darker boards in full afternoon sun, which suits west-facing decks in Point Cook, and it greys evenly if it is not oiled. Blackbutt is slightly softer than spotted gum, so it is easier to work and usually costs a little less.
Ironbark is one of the hardest and heaviest Australian timbers, with deep red-brown to dark grey tones. It is extremely durable and suits decks that take heavy use, though it costs more and is harder to work. Its density makes it very stable and resistant to wear, so it is often chosen for steps, high-traffic edges and decks around outdoor kitchens where furniture is moved often. Supply of ironbark decking boards is more limited than spotted gum, so lead times are confirmed with the quote.
Merbau is darker and more even in colour, and is imported. Spotted gum is lighter, harder and more varied, and is grown in Australia. Spotted gum also bleeds less tannin than merbau, which makes it a common choice next to light paving and pools. See pool decking.
Peak Decking Point Cook
Spotted gum boards are sold in different grades and sizes, which change both the look of the deck and the cost.
Select grade boards have the fewest natural features and the most even colour. Standard grade allows more gum veins and colour variation. Feature or rustic grades show the most character at a lower price. Boards from each grade are compared in the yard at the free measure. On a large deck seen mostly from a distance, standard grade gives the look of select at a lower cost, while select grade suits a small courtyard deck seen up close from the living room. Boards are mixed from several packs as they are laid, so colour runs evenly across the whole deck.
Spotted gum decking usually comes in 86 to 90 mm and 135 to 140 mm widths, about 19 mm thick. Narrow boards move less and suit fully exposed decks in Wyndham's dry summers, while wide boards give a modern look and need careful spacing and fixing.


Peak Decking Point Cook
Spotted gum deck builders in Point Cook have to build a frame that suits the ground and fix a very hard timber correctly. Peak Decking measures, draws and builds each deck with the same team.
Wyndham sits on the western basalt plains, where the clay can shrink in summer and swell in winter. A soil test sets the AS 2870 site class, and stumps sit on concrete footings sized and set to the depth that class calls for, so the deck stays level.
Spotted gum is too hard to screw without pre-drilling, and unsupported screws can split the board. Every hole is pre-drilled and countersunk, and stainless steel decking screws are used so no rust stains form around the heads. Hidden fixing systems can be used for a clean, screw-free surface.
Boards are laid with a gap of around 3 to 5 mm, depending on how dry they are on the day, and joists are typically spaced at about 450 mm centres for 19 mm boards. Air is kept moving under the deck so both faces of each board dry evenly, which stops cupping in hot, windy weather.
Peak Decking Point Cook
Laverton RAAF records a mean January maximum of 25.8 °C and afternoon winds averaging 21 km/h across the year. Sun and wind dry timber fast, so the finish decides how a spotted gum deck ages.
A new deck is oiled on all faces before or soon after laying, then again once the boards have weathered for a few weeks. A penetrating decking oil with UV protection brings out the grain and slows the drying that leads to surface checking. In full Wyndham sun, a spotted gum deck usually needs re-oiling every six to twelve months. See deck restoration and oiling.
Left unoiled, spotted gum weathers to a soft silver-grey within a year or so in strong sun. Some owners like that look. The timber stays strong, but the surface checks and roughens more, and the colour can be brought back later by cleaning, sanding and oiling.


Peak Decking Point Cook
Every spotted gum deck is priced from a free measure and a written, itemised quote, so each part of the job is shown on its own line.
The area of the deck and the board grade set most of the cost. Spotted gum generally costs more than treated pine and merbau, with select grade and wide boards at the higher end, and ironbark more again. A taller deck needs longer stumps, bracing and a balustrade. See elevated decks.
Steps, a picture-frame border, fascia boards and the first oil coats are each priced separately, along with hidden fixings if chosen. Removing an old deck and a building permit, where one is needed, are listed on their own lines. See deck permits.

A visit to measure the house and the yard, talk through boards, layouts and finishes, and then a written, itemised quote.

Drawings, engineering and a soil test are prepared, overlays are checked and the building permit is lodged.

Footings, frame and boards are built and inspected at each stage, the site is cleaned up and the finished deck is handed over.
The cost depends on the size, the grade, the height and the site. Spotted gum usually costs more than treated pine and merbau. Steps, edging, oiling and removal of an old deck are priced separately. A free measure gives a written, itemised quote.
Yes. It is one of the hardest and most durable decking timbers, classed as bushfire-resisting, with attractive varied colour and grain.
Spotted gum is darker and more varied in colour with a wavy grain. Blackbutt is pale and honey-coloured with a straight, even grain. Both are hard, durable Australian hardwoods.
In full Wyndham sun, usually every six to twelve months. Left unoiled, it weathers to silver-grey.
Most decks need a building permit, and a deck more than 800 mm above the ground can need a planning permit on a smaller lot. This is checked at the measure.
It bleeds much less tannin than merbau, which is why it is often chosen next to light paving and pools.
GET A FREE QUOTE
BUSINESS
SERVICES
OPERATING HOURS
Sun: 6:00am - 10:00pm
Mon: 6:00am - 10:00pm
Tue: 6:00am - 10:00pm
Wed: 6:00am - 10:00pm
Thu: 6:00am - 10:00pm
Fri: 6:00am - 10:00pm
Sat: 6:00am - 10:00pm