For the exterior and interior decoration of buildings, "wet" methods are currently used, for example, putty and plaster. These manipulations can be carried out both on the walls and on the ceilings of the premises. Reinforcement is an indispensable part of such methods. It is with him that fiberglass mesh is used.
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When construction is at its final stage, it is time for finishing work. Their task is not just to improve the structure, but also to give additional strength to the main structures and to protect them from external influences. Plaster fiberglass mesh is an irreplaceable assistant in solving such problems.
Currently, this coating is quite popular. What can happen if it is absent? If the topcoat is applied directly to walls and ceilings, bypassing the mesh, these surfaces will crack over time. In this case, the coating itself simply disappears.
That is why it is so important to use the plaster mesh, which will bear the main load, as the basis for the finishing material. In addition, the adhesion of the plaster to the required surface will become stronger.
The fiberglass network is made of aluminoborosilicate glass. During the production process, neat threads are drawn with good flexibility and strength. The threads do not break, so small bundles are formed from them, from which the networks are woven.
The cells in these grids can be of any size. The most commonly used materials are 2x2 mm, 5x5 mm and 10x10 mm. The rolls are usually 1 meter wide, and the length can vary up to 100 meters.
To avoid problems with corners and joints, various reinforcing elements can be added to the base material.
In order to choose the material necessary for the work, you must have an idea of &#;&#;its characteristics. The main importance is the density, type of impregnation and the area for which a particular type of product is intended to work.
It is the size of the surface density that gives an idea of &#;&#;the strength and reliability of the mesh. There are three types:
The higher the density, the higher the cost of the product will be. This is due to the fact that the consumption of material in production increases.
To facilitate the selection of a material with a certain strength and properties, each product is marked. For example, the marking "CC" indicates that the mesh is glass; "H" and "B" warns that it should be used for outdoor and indoor work, respectively; the letter "A" denotes anti-vandal reinforcing products used in work with underground and basement structures, "U" - reinforced and other.
It will not be superfluous to ask the seller and check the conformity documents for the mesh if you have not heard anything about the manufacturer or have doubts about its properties.
Installation of fiberglass mesh does not cause any particular difficulties.
A primer is applied to an even and cleaned surface. After that, a glue is prepared, which is applied to the primer in a thin layer. The plaster mesh is pressed into the interior of the finish layer and left to dry completely. Then the primer is applied again and the final layer of putty is applied.
The fixation of the fiberglass mesh with self-tapping screws and other metal products is highly undesirable. Their use can lead to the appearance of rust when exposed to external conditions, respectively, the appearance of the finish can be damaged.
Fiberglass mesh can replace metallic materials. It has a good effect on the strength of structures, relieves the finished finish from the appearance of possible cracks and extends the service life.
If you do not use additional metal elements, the appearance of corrosive phenomena is excluded. It is resistant to the action of chemical solutions, therefore, over time, rust does not appear on the finish.
The materials are lightweight, as a result of which they are often used for ceiling decoration.
The mesh is resistant to temperature changes, therefore it can be used both for external and internal finishing of buildings.
Fiberglass threads are flexible enough that they can be used when working with not too flat surfaces.
Installation of materials is straightforward, so you can do it yourself. With the right approach to the order of work, the finishing will last for a long time.
When decorating the first floors of buildings, it is preferable to use metal nets, which are most resistant to external influences.
One challenge with this product is that it can be difficult for the installer to do the job alone. When working with a ceiling, it is necessary to exclude the possibility of sagging, since in the future this can turn into a problem. Therefore, it is much more convenient to work together, so that one is engaged in stretching, and the other is in fixing the material. If the net is not tight enough, air bubbles may appear.
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Among the disadvantages, one can note the rather high price of products and its components. Care must be taken when working with them, as glass dust can cause irritation.
In addition, the amount of primer used during work is quite high due to the good absorbency of the coating.
However, if the emphasis is placed on quality, safety and practicality during finishing work, this material cannot be dispensed with.
See below about the features of working with fiberglass plaster mesh.
Welcome to this guide on fiberglass mesh and its applications in the construction industry. We will explore the benefits of using fiberglass mesh, where it can be used, and how to properly install it. Whether You are a professional plasterer or a DIY enthusiast, understanding the importance of this versatile product will help you achieve a Flawless finish while preventing cracks and ensuring long-lasting results. So, let's dive in and discover the wonders of fiberglass mesh!
When working on older properties or surfaces with potential weaknesses, such as hairline cracks or loosened plaster, it is crucial to find a solution that can reinforce the skin coat and prevent further damage. This is where fiberglass mesh comes into play. Unlike traditional methods that rely on hessian or scrim tape, fiberglass mesh offers superior strength and durability, making it the go-to choice for crack prevention. By embedding this mesh into wet plaster, you can Create a flexible and resilient surface that withstands stress and movement, minimizing the risk of cracks appearing over time.
Crack Prevention: The primary benefit of fiberglass mesh is its ability to prevent cracks from forming in plastered surfaces. By reinforcing the skin coat, the mesh acts as a barrier that distributes stress and minimizes the chances of cracks appearing.
Versatility: Fiberglass mesh can be used in various situations, including reskimming older properties, external renders, lath and plaster walls, bathroom floors, and more. Its versatility makes it an essential tool for plasterers and builders.
Easy Installation: Applying fiberglass mesh is a straightforward process that does not require extensive training or specialized tools. With proper preparation and the right technique, anyone can achieve professional results.
Time and Cost-Efficiency: By using fiberglass mesh, you can save time and money by reducing the likelihood of callbacks or comebacks due to hairline cracks. The Durable nature of the mesh ensures a long-lasting finish that will stand the test of time.
Reskimming older properties is a common task for plasterers, and it often involves dealing with fragile walls and potential weaknesses. Fiberglass mesh can be a game-changer in such situations, as it reinforces the existing plaster and prevents hairline cracks from surfacing. By scraping off loose paint and removing any weak areas, you can create a sound surface ready for the application of fiberglass mesh and subsequent coats of plaster. This ensures a flawless finish without the worry of cracks appearing in the future.
External renders, such as sand and cement or acrylic renders, can also benefit from the use of fiberglass mesh. By embedding the mesh in the render, you reinforce the surface and prevent cracks caused by weather changes and natural movements. This is particularly important in climates with temperature fluctuations or areas prone to seismic activities. The fiberglass mesh acts as a support system, ensuring the longevity and durability of the render.
For older properties with lath and plaster walls, fiberglass mesh comes as a savior. Instead of ripping off the existing plaster and starting from scratch, you can Apply fiberglass mesh over the sound surface. As long as the plaster is not blown and there are just hairline cracks or surface cracking, the mesh will provide the necessary reinforcement to prevent further damage. This is especially beneficial when preserving historical elements, such as cornices or Ceiling roses, as it eliminates the need for extensive renovations.
Fiberglass mesh can also be used in tiling applications, particularly for bathroom floors. After plylining the floor and priming it for tile adhesive, embedding a layer of fiberglass mesh ensures the tiles' stability and prevents cracks or movement over time. This additional measure offers peace of mind and saves you from potential repair work down the line. By securing the tiles with a strong and supportive layer, the risk of cracks or tiles popping is significantly reduced.
Apart from the previously Mentioned applications, fiberglass mesh has found its way into various other situations within the building trade. From reinforcing resin renders to providing extra strength in floor screeds, this versatile product proves its worth across different tasks. Its affordability and effectiveness make it a go-to solution for construction professionals looking to enhance the quality and durability of their work.
When it comes to choosing fiberglass mesh, there are a few factors to consider. Firstly, ensure that the mesh is alkaline resistant, as this is crucial for its longevity and effectiveness in plastering applications. Additionally, opt for a reputable brand that offers good value for money. While there are cheaper options available, it is essential to prioritize quality and durability over cost. Look for suppliers who specialize in plastering and rendering products, as they will have a better understanding of the specific requirements and can provide the right mesh for your needs.
Before installing fiberglass mesh, it is important to prepare the wall properly. This involves scraping off any loose paint, removing weak areas, and ensuring a clean and stable surface. Carefully inspect the wall for any signs of existing cracks or damage that need to be addressed before proceeding. Once the wall is ready, apply a good mix of PVA glue to create a strong bond between the mesh and the wall.
The process of installing fiberglass mesh involves rolling out the mesh in manageable lengths and stapling it to the wall using eight-millimeter arrow staples. Start from the top and work your way down, ensuring a 50-millimeter overlap and smoothing out any wrinkles or bunching along the way. Pay Attention to corners, architraves, and sockets, making clean cuts with a sharp knife or decorating scissors. The goal is to achieve a tight and secure fit that will prevent the mesh from sagging or shifting during further application.
With the fiberglass mesh securely in place, it is time to apply the first coat of plaster. The mix should have added bonding coat for added body and strength. Start from the top and work your way down, using short stumpy sweeps to lay on the gear and embed the mesh simultaneously. This technique ensures that the plaster fully covers the mesh, leaving no gaps or weak spots. When the first coat is complete, use a speed skin or trowel to achieve a smooth and even finish.
After the first coat has firmed up but is still workable, it is essential to inspect the mesh for any fraying or joints poking through the plaster. These can potentially cause issues later on if left unaddressed. To fix this, let the gear pick up a little and lay some scrim tape directly over the fraying areas or joints. This will hold back the burrs and ensure a seamless surface without visible mesh or joints.
Once the first coat has fully dried, it is time to apply the second coat of plaster. This coat can be a fresh mix without the need for bonding coat as the first coat has already provided the necessary strength and reinforcement. Apply the second coat using standard plastering techniques, focusing on achieving a smooth and even finish. Pay attention to corners, edges, and any imperfections that may require additional filling or polishing. With the second coat complete, allow the plaster to dry thoroughly before painting or further finishing as desired.
In conclusion, fiberglass mesh is a valuable tool in the world of plastering and construction. Its ability to prevent cracks and reinforce surfaces makes it a go-to solution for professionals and DIY enthusiasts alike. By understanding the benefits of using fiberglass mesh and its various applications, you can achieve flawless results and ensure the longevity of your work. So, next time you encounter a reskimming project or need to strengthen an older surface, consider using fiberglass mesh as your secret weapon.
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