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Timber Mouldings

What Are Timber Mouldings? Profiles, Names and Custom Machining Explained

Timber mouldings are the shaped lengths that finish a build: skirting where the wall meets the floor, architraves around doors and windows, scotia at the ceiling line, quad in the corners. They cover the joints a house cannot avoid, and they do a lot of the visual work in a room. This guide runs through what the common profiles are called, how mouldings are actually made, and how to get a profile matched when your job calls for something the shelves do not carry. And whichever profile that turns out to be, Allmat machines mouldings to order in Adelaide.

The common profiles and their names

Most skirting and architrave in Australia comes in a familiar set of profiles, and knowing the names makes ordering much easier. The profiles themselves vary a little between mills, even under the same name, but these are the families you will hear:

Colonial: the classic stepped, decorative profile seen in older homes and anything traditional. Worth knowing: Colonial is really a family of profiles, and every mill cuts its own version, so two lengths of "Colonial" from different sources rarely match.

Lambs Tongue: a refined curve falling to a step, common in Victorian and Federation era houses.

Bullnose: a simple rounded top edge, tidy in both period and modern homes.

Single Bevel: one clean angled face, a simple look that suits modern builds.

Half Splayed: the angle runs over part of the face only, and there are a few versions of it. They differ in where the splay starts and whether the top edge is rounded or left square, so this is another one where a sample helps.

Pencil Round: flat with a slight rounding on the edge, the plainest and most contemporary look.

Scotia: a small concave moulding, used at the wall-to-ceiling line and to cover floor edges.

Quad: a quarter-round moulding for internal corners and floor junctions.

Add tongue and groove lining boards, window reveals, door jambs, capping and coverstrap, and you have most of the moulding family that turns up on an order.

How mouldings are made

Mouldings start as dressed timber and go through a spindle moulder, a machine that spins a cutter head fitted with knives ground to the shape of the profile. The timber is fed past the cutters and comes out the other side with the profile run along its length. The same principle covers tongue and groove, rebates and bevels. Because the knives are what define the shape, a machine shop can reproduce almost any profile, old or new, by grinding a fresh set of knives to match it.

Matching an existing profile

This is the most common reason people go looking for custom machining. Adelaide has a lot of houses from eras whose skirting and architrave profiles have not been stocked for decades, and when you are extending, repairing water damage or replacing one broken length, the new timber has to match what is there.

One thing experience has taught us: the profile name is not enough for a match. "Colonial" alone covers dozens of variants, and the same goes for most of the traditional profiles, so what we really need is a sample. Bring in an offcut, around 300mm is enough, or a clear drawing with dimensions, and the profile gets reproduced on new timber.

Got a profile to match? Send a photo of the sample to us through the machining page and we will tell you quickly whether we can run it, and quote it.

What timber are mouldings made from?

For painted finishes, the common choices are Meranti and finger-jointed primed pine. Meranti is the mainstay of our machining work: it machines cleanly, stays stable, and finishes well painted or varnished. For stain-grade work, mouldings are machined from hardwoods such as Tasmanian Oak, Jarrah, Merbau or Spotted Gum. The right species depends on the finish you are after and where the moulding is going, so mention both when you order.

Where to buy timber mouldings in Adelaide

In Adelaide, the answer is Allmat. We carry standard skirting, architrave and moulding profiles, and we machine custom and heritage profiles in-house at our Gillman yard on spindle moulders, planers and thicknessers. Standard profile or a match for something from 1910, send it through and we will quote it.

For the full picture of what our machine shop can do, dressing, ripping, rebating, plating and the rest, see the timber machining page. And for everything else on the job, from framing to sheet products, we quote that too.

Allmat

Allmat: mouldings made to order

The name Allmat comes from All Materials, and mouldings are a good example of what that means in practice: if the profile exists, or ever existed, we will quote machining it. That goes whether you are a builder, a joiner, a hardware store or a homeowner matching one damaged length of skirting.

Send us the profile, the species and the metres, and we will come back with pricing and lead time. And if the rest of the job is on the list too, our guide to where Australian structural pine comes from covers the framing side.

Timber Moulding FAQs

Finishing the junctions a build leaves behind. Skirting covers the join between wall and floor, architraves frame doors and windows, scotia finishes the wall-to-ceiling line, and quad and coverstrap tidy corners and joins. Beyond the practical job, the profile you choose sets the character of the room.

Dressed All Round. It is timber machined smooth and square on all four faces to a finished size, rather than left rough sawn. DAR is not a decorative profile in itself, but it is the starting point for most moulding and joinery work.

Yes. Bring in a sample offcut, around 300mm is plenty, or a clear profile drawing, and Allmat can machine new lengths to match it. A sample matters more than a name: profiles like Colonial come in dozens of variants, so the offcut is what guarantees the match. This is the usual path for heritage homes where the original profile has not been stocked for decades.

For painted work, Meranti and finger-jointed primed pine are the common choices. Meranti also takes stain and varnish well, which is why it is the mainstay of our machining work. For stain-grade jobs, mouldings are machined from hardwoods like Tasmanian Oak, Jarrah or Spotted Gum.

A few factors go into a custom machining quote. The cutters: whether we already have them in stock or need to have them made for your profile. The timber: which species the job calls for. The setup: getting the machine dialled in, which uses up some timber along the way. And the run itself: the machine time, which is why the larger the run, the cheaper each metre becomes. Send Allmat the drawing or sample and the metres you need and we will quote it.

Usually because you are matching something that already exists. If one room of an older house needs its skirting repaired, machining a matching profile costs far less than replacing the skirting through the whole house so it all matches. Custom machining also covers profiles that are no longer made at all, and jobs where the spec calls for a species the standard profiles do not come in.

From Allmat. We carry standard profiles and machine custom and heritage profiles in-house at our Gillman yard, so whether the job needs an off-the-shelf architrave or a match for a hundred-year-old skirting board, we will quote it.

Get a Machining Quote

Send us the profile drawing or a photo of the sample, the species and the metres, and we will get pricing and lead time back to you.

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