FIBREGLASS REINFORCING MESH
Exterior and interior works
Technical characteristics
The fibreglass mesh from ALVI Group is cut into strips and is sold in rolls.
Width, cm: 10, 12.5, 14, 20, 25, 100
Length, m: 50, 100–300
Density, g/m²: 115–120, 140, 160
Quantity in the package, pcs.: 30–34 (50 m2)
for reinforcing surfaces during plastering and filling works outside and inside the room.
prevention of cracks formation on the surface;
resistance to alkalis and other aggressive environments;
increasing the overall strength of the building structure;
durability and simplicity of installation.
The fibreglass reinforcing mesh is embedded in the newly applied putty or other finishing mixture by 0.5 cm. In this way, the mesh penetrates the layer of plaster or other finishing material and turns it into a strong monolithic structure. For a complete levelling of the surface, another layer of putty or plaster is applied on top. If necessary, staples or screws can be used to install the mesh.
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Fiberglass Reinforcing Mesh: Reliable Protection and Reinforcement for Building Structures
Fiberglass reinforcing mesh is an essential component in modern construction, providing added strength and durability to building structures. It is widely used to reinforce plaster layers, preventing cracks and deformations on surfaces. In this article, we explore the key advantages of fiberglass mesh, its applications, and how it complements other crucial building materials such as sealing profiles, corner expansion profiles, guide beads, and plaster corner beads.
What Is Fiberglass Reinforcing Mesh?
Fiberglass reinforcing mesh is a specialized material made from strong fiberglass, used to reinforce plaster layers in both facade and interior finishing. Thanks to its properties, the mesh distributes loads evenly across the surface, preventing cracks caused by building shrinkage, temperature fluctuations, or other external impacts.
Main Functions of Reinforcing Mesh
Strengthens the plaster layer: Adds structural integrity, preventing cracking and detachment.
Distributes stress evenly: Enhances durability by balancing surface load.
Improves adhesion: Strengthens the bond between plaster and the base surface for a more reliable finish.
Advantages of Fiberglass Reinforcing Mesh
- High Strength and Durability
Made from premium materials, fiberglass mesh boasts exceptional tear resistance and mechanical strength, making it suitable for demanding environments with high humidity, temperature swings, and physical stress. - Corrosion and Chemical Resistance
Unlike metal mesh, fiberglass does not corrode and is resistant to harsh chemicals, making it ideal for both indoor and outdoor use. - Ease of Installation
The mesh is lightweight, easy to cut to size, and simple to apply to surfaces, reducing labor time and increasing project efficiency. - Material Compatibility
Compatible with plaster, cement mixes, drywall, and more — making it a versatile solution for various construction tasks.
Applications of Fiberglass Mesh
- Plaster Reinforcement
Commonly used to reinforce walls and ceilings, ensuring uniform stress distribution, preventing cracks, and enhancing surface strength. - Facade System Strengthening
Widely used in external thermal insulation composite systems (ETICS), where it creates a durable bond between insulation and plaster, protecting facades from moisture, wind, and temperature changes. - Interior Finishing Works
Applied to interior walls and partitions, especially in areas prone to cracking from structural movement or temperature fluctuations, maintaining a long-lasting aesthetic. - Corner and Joint Reinforcement
Ideal for reinforcing vulnerable corners and construction joints, preventing cracks in the most stress-prone areas.
Interaction with Other Building Materials
- Sealing Profile
Used to ensure the airtightness of joints and seams. When combined with fiberglass mesh, it provides added moisture protection and extends the life of finishing layers. - Corner Expansion Joint Profile
Used to absorb movement at corner joints. Together with fiberglass mesh, it enhances the durability of corners and prevents cracking and deformation. - Screed guide (Plaster Bead)
Ensures perfectly even surfaces for plaster application — essential for securely installing fiberglass mesh and achieving a strong final finish. - Plaster Corner Bead
Protects and aligns corners. When used with fiberglass mesh, it creates clean lines and adds aesthetic value while increasing the surface’s durability.
Purchasing and Installing Fiberglass Reinforcing Mesh
Fiberglass mesh can be purchased at specialized building supply stores or ordered online. It’s easy to install, either by professionals or as a DIY project. To ensure optimal performance and longevity, follow the manufacturer’s installation recommendations.
Fiberglass reinforcing mesh is a critical part of construction and finishing work. It strengthens plaster layers, facade systems, and interior walls. With its high strength, corrosion resistance, and ease of use, it is the ideal solution for a wide range of building needs. Combined with sealing profiles, corner expansion profiles, guide beads, and plaster corner beads, fiberglass mesh helps ensure high-quality finishes and long-lasting structural performance.