Fixing the mesh correctly is a crucial step in the plastering of walls. This mesh guarantees good plaster adhesion and contributes to the creation of a smooth, even surface. Understanding how to properly fix the mesh can have a significant impact on the outcome of a plastering project.
There are a few simple ways to attach the mesh, and each works well in a different way. These easy methods will assist you in finishing the task quickly and successfully, regardless of whether you’re building a new wall or fixing an existing one.
We’ll examine these techniques in this guide, offering helpful hints and counsel to help you accomplish a polished finish. Fixing the mesh for plastering can be a simple and hassle-free process if done correctly.
Method | Description |
Adhesive | Apply adhesive to the wall and press the mesh into it. Let it dry before plastering. |
Staples | Use a staple gun to attach the mesh to the wall. Ensure staples are evenly spaced. |
Nails | Hammer nails into the wall and attach the mesh to the nails. Make sure the mesh is flat against the wall. |
A smooth and long-lasting finish in plastering walls depends on securely fastening the mesh. We’ll look at easy, efficient methods for plaster mesh wall attachment in this post. These techniques are intended to simplify and improve the process, guaranteeing the durability of your plasterwork. Whether you’re a seasoned pro or a do-it-yourself enthusiast, these simple tips will help you get the perfect result with the least amount of hassle.
- What is the function of the mesh
- How to fasten a metal mesh
- Installation of fiberglass web
- Installation of plaster mesh to the ceiling
- Video on the topic
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What is the function of the mesh
The plaster solution, hardening, becomes an artificial stone. Compositions on a mineral binder, working well under compression, can hardly resist bending or tensile loads. Therefore, the plaster coating easily cracks at the slightest deformation of the wall or when a layer of thickness peels off from it. In concrete structures, metal rods – reinforcement – serve to absorb tensile forces, and in plaster, the reinforcing mesh performs the function of reinforcement. By joining with the mesh into a single whole, the plaster becomes a composite material capable of resisting bending, compression and stretching, no matter from which side the external force is applied. Therefore, the strength of the plaster layer increases many times.
Reliable plaster to base fixation is the second task that the reinforcing mesh tackles. To do this, a number of techniques for fastening the mesh to the walls or ceiling have been developed. Depending on the base and mesh web materials, there are variations in the techniques and components used to secure the mesh.
Another function of the mesh is to prevent cracks from forming when plaster mortar is applied to the intersection of structures made of different materials (such as concrete and wood).
Metal is the traditional substance used to reinforce the plaster coating. These days, these materials are known as plastics and basalt fiber. More information about reinforcing meshes is provided in a different article.
A straightforward guideline can assist you in selecting the right kind of reinforcing mesh: if the layer thickness is 5 cm, utilize metal mesh; if the layer thickness is 2-3 cm, a plastic product will work well. Use a metal mesh when plastering stoves or fireplaces.
For the attached mesh to perform to its full potential, it needs to:
- cover the entire plastered surface;
- be inside the plaster layer.
The strip is positioned vertically after the mesh is unwound and fastened to the wall. The fixed sheets are overlapped (by the cell size for metal, and by 5–10 cm for plastic). Start mounting the web from the ceiling onto the wall. Prior to installing the beacons, attach it. Integral reinforcement is only guaranteed in this situation.
Plastic and metal have distinct qualities. Metal is more difficult to bend and cut, depending on the type of metal and the wire’s diameter. As a result, there are differences in the techniques used to secure plastic and metal sheets.
How to fasten a metal mesh
At the reinforcement stage, straightening the mesh in addition to securely fixing it is the primary goal. Products made of metal are typically bulky and flexible. Therefore, you need a sufficient number of attachment points to securely fix the sheet to the wall or ceiling, and the fasteners themselves need to be able to withstand the weight of the mesh (considering the weight of a thick layer of mortar that tends to slide down the surface).
The cell size is taken into consideration when choosing the fixing part’s design. Compared to plastic sheets, metal sheets have larger cells.
Prior to attaching the mesh to the wall, any lubricant that may have coated it needs to be removed. If not, the wire and mortar will not connect satisfactorily.
Nail the web is probably the simplest solution for brick and wooden walls. In this instance, the upper part of the nail is bent and only partially driven in (the 60–70 mm long hardware is driven in by 50 mm), pressing the mesh web to the base. Nails are driven into the masonry seam in a brick base. Regarding the attachment points’ placement on the aircraft and pitch, there are no particular guidelines. Nonetheless, it is advised to secure the web’s upper edge parallel to the corner line with a pitch of up to 50 cm (ideally, 25 cm).
Self-tapping screws are an alternative to nails. They work on any surface, metal excluded. Dowels are required, though, in order to install self-tapping screws in concrete. The screw head’s diameter is insufficient to press the mesh with consistency. Washers are used as a result.
The clamping parts are self-assembleable. For our purposes, a mounting tape with holes all the way through will work. We also use metal hangers, which are made for fastening drywall sheets, to secure the mesh beneath the plaster. We cut the tape into two-holed pieces with metal scissors so that the mounting strips would press two mesh wires at the same time.
Knitting wire can also be used to secure the mesh to the screw heads. After attaching the wire, first screw the screw in (but do not tighten it completely) and then deepen it until it stops. For a very long time, stovemakers fixed the mesh with leads and buried the ends of the knitting wire in the masonry. If you are laying brick walls yourself, you can still accomplish this today.
Create the dowel holes. Dust is created during the drilling process and is meticulously cleared away during the preparation phase. This is a drawback because you will need to remove the dust once more.
Installation of fiberglass web
We can readily comprehend how to attach a plastic mesh once we’ve worked out how to fix meth. mesh for plaster. The fiberglass panel is lightweight and pliable. It is therefore simpler to mount it to the wall. Typically, they lower the "fabric" like wallpaper from top to bottom by using self-tapping screws only along the top edge. Plaster mortar is used to make the entire panel "stick" to the wall.
Using a solution, the network is connected to the base by doing the following steps:
- Apply a layer of plaster composition to the plane. The width of the applied layer is equal to the width of the mesh sheet. The composition is applied with a trowel (50 cm) or a wide spatula.
- Unroll the sheet, apply it to the upper edge of the wall with the end. The remaining part of the sheet is lowered down.
- Straighten the sheet so that its edge runs parallel to the corner line. Craftsmen often bring the edge to the surface of the adjoining wall (by 3 cm).
- Using a wide spatula or trowel, leveling it completely, embed the mesh into the mortar layer. The plaster mixture appears through the cells above the mesh, and is leveled immediately with the same tool.
- Let the reinforced plaster dry, after which the following finishing works according to the plan are carried out.
Installation of plaster mesh to the ceiling
The plaster mesh is fastened on the ceiling in a manner akin to that of the walls, albeit with a few modifications. This is because wall and ceiling plaster coatings function differently from one another. The peeling coating adheres to the edges of the adjacent sections on the ceiling while it works on the rupture on the walls, resting on the lower sections. As a result, the mesh is more thoroughly fixed beneath the plaster.
For instance, more fixation points are needed for a metal reinforcing mesh, and their placement in a row and step are ordered. Space the nails (or screws) 20–30 cm apart along the row. There is also a 20–30 cm step maintained in between the rows. Nails are positioned in adjacent rows with a 10-15 cm offset to create a checkerboard pattern. The mesh web is stretched and fastened (without sagging) after the nails are driven.
When the webs are joined, the overlap’s width is also widened. For fiberglass nets and hardware, it should be at least 10 cm.
The fiberglass mesh wires and the plastered ceiling material should be spaced apart by a specific amount. The plaster is then packed firmly with mortar. The installation of the reinforcing mesh is done so that it goes through the center of the plaster layer’s thickness.
Plaster mesh repair doesn’t have to be a difficult undertaking. You can make sure that your plastering projects have a smooth and long-lasting finish by using these simple techniques. The secret is to apply the right materials and tools in the right way. Creating a stable and even base for the plaster is the aim, whether you’re using adhesive, a staple gun, or other fastening techniques.
Always remember that a successful plaster job depends on adequate surface preparation. Prior to beginning, make sure the wall is dry and clean. This will enhance the overall finish and improve the mesh’s adhesion. You won’t have to deal with problems like uneven surfaces or peeling plaster later on if you take the time to install the mesh correctly.
You’ll have no trouble producing plastering projects that look professional once you grasp these easy techniques. As you continue to practice, you’ll discover that replacing mesh in plastering becomes a simple and standard procedure.