Cut the stucco molds precisely


Stucco moldings are popular. Made of polystyrene as well as gypsum. Attaching is not a big problem for the handy handyman. It will be a bit more difficult then with the trimming of the stucco moldings. In addition to very clean work, it is particularly important to the tool. Suitable tool in first-class quality means half the cutting work. Below we explain in detail how it works best.

Stucco moldings are made of different materials

Stucco moldings set accents in every living room and create a special flair. Stucco moldings are offered today from different materials. So no one has to do a stucco strip right there.

  • Plastic (solid plastic)
  • Polystyrene (plastic foam, colloquially known as Styrofoam or Styrodur)
  • plaster

Of course, the plaster moldings are the highest quality. Strips made of solid plastic are offered rather than conventional end strips. Stucco moldings, on the other hand, are also imitated in polystyrene. Their processing is relatively simple, but also a bit tricky when cutting.

The tool for cutting moldings

The miter box for precise cutting

Basically, you need a miter box to be able to cut the corners perfectly. However, room corners are not always kept at an absolute 90-degree angle, but can deviate from it. This is especially true for old buildings. Therefore, you should opt for a miter box that you can set freely.

The angle gauge for exact angle measurement

The conventional miter boxes are more of a template and limited to 45 degrees or 90 degrees. However, to be able to precisely determine the corner angle, you need another tool: the angle gauge. The angle gauge is simply held in the corner. Then both legs are brought to the respective wall to stop and screwed tight. You already have the exact angle measure, which you can now transfer to the tray.

The saw for the perfect cut

For sawing a foxtail is often recommended. Basically, this is nothing to complain about, but mostly lacks the indication that it must be a really fine-toothed and also sharp foxtail. For cutting styrofoam you need a saw as well as for the stucco plaster strip. The finer the teeth, the more perfect and sharper your cut will be.

Inserting the stucco in the miter box

After transferring the angle measure to the miter box, place the stucco strip in the drawer for cutting. With the surface glued to the ceiling later, let the stucco mold rest on the shop floor.

The surface, which is glued to the wall, let stand on the back wall of the miter box (opposite you). Now you can cut your nooks clean. Keep the stucco molding firmly in place so that it can not slip.

Tips & Tricks

Even if there is some air between the two edges when glueing the stucco strip later, that does not mean serious problems. You also have to fill the edges of the individual stucco moldings with each other. For this you use a very fine plaster filler, which you usually get from the manufacturer of stucco moldings. A slight gap is created by the width of the saw blade.

The closing edges on the ceiling should be closed with white acrylic sealant. Acrylic has the advantage over silicate-containing sealants that almost every wall paint on it.

Note that you are doing the 45 degree cuts from inside and outside edges exactly opposite. For inside edges, the point of the cut angle points to the wall side, ie to the outside (to the outside of the room). For outside edges (fireplaces, wall projections, etc.), however, the top points inwards (toward the interior of the room), ie not on the wall side, but flat on the outside.

In the house journal we provide you with further articles around gypsum and polystyrene strips. Of course, also for the appropriate [attachment of Stuckleisten].


Video Board: Saw cutting stucco, images of Removing stucco safely