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In the modern construction industry, increasing the safety of structures against lateral forces such as earthquakes and wind has become one of the most important concerns for engineers and project executors. Although non-structural walls do not bear loads, if executed incorrectly, they can cause significant life and financial losses. One of the innovative and effective solutions for restraining and reinforcing these walls is the use of Wall Mesh, also known as Fiberglass Wall Post. This modern technology, designed based on fiberglass mesh, is considered a lightweight, economical, and efficient alternative to traditional metal wall posts.
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Wall Mesh is a type of reinforcement and restraint system for non-structural walls, executed using high-resistance fiberglass mesh and special mortar or plaster. This system, by creating a cohesive network on the wall surface, evenly distributes incoming forces and prevents stress concentration, cracking, and wall collapse.
In fact, Wall Mesh performs the same function as metal wall posts, but without the disadvantages such as heavy weight, corrosion, difficult installation, and high costs.
Fiberglass mesh is a woven network of high-strength glass fibers, usually coated with alkali-resistant (AR) materials to ensure high durability against cement mortar and environmental conditions. These meshes have features such as:
High tensile strength
Very low weight
Appropriate flexibility
Resistance to moisture, corrosion, and chemicals
making them an ideal option for reinforcing building walls.
Fiberglass wall post is essentially the Wall Mesh system, which uses fiberglass mesh and reinforcing mortar instead of metal profiles. The main differences between these two systems are:
Fiberglass wall posts are much lighter than metal wall posts and do not impose additional dead load on the structure.
Unlike metal, fiberglass does not rust or corrode and has a longer service life.
Wall Mesh installation does not require welding, cutting, or complex connections and is completed in a shorter time.
In many projects, using fiberglass wall posts is more economically cost-effective.
Wall Mesh is used in various parts of a building, including:
Restraining interior partition walls
Reinforcing perimeter walls
Increasing wall resistance against earthquakes
Preventing cracking caused by settlement or thermal stresses
Use in renovation and retrofitting of old buildings
Using Wall Mesh offers numerous advantages that have made it a popular choice in construction projects:
Increased structural safety
Reduced earthquake-related damages
Increased wall lifespan
Reduced maintenance costs
Compliance with modern building regulations
Proper installation of Wall Mesh plays a decisive role in its final performance. Although this system is simpler and faster to install than metal wall posts, observing technical details and execution principles is essential to achieve maximum wall strength and safety. Below, the Wall Mesh installation steps are fully described.
Before any action, the wall condition must be carefully inspected. The wall surface must:
Be free of dust, grease, and loose materials
Have deep cracks or local instabilities repaired
Be completely dry and clean
If there are severe irregularities, it is better to level and smooth the wall as much as possible before installing Wall Mesh to ensure the best adhesion of the mortar and mesh.
Selecting the right mesh is one of the most important steps in installing fiberglass wall posts. The fiberglass mesh must have the following characteristics:
Appropriate tensile strength
Alkali-resistant (AR) for compatibility with cement mortar
Regular and standard mesh openings
Width and weight suitable for the wall type
In different projects, depending on wall height, material type (block, brick, terracotta, etc.), and loading conditions, mesh specifications may vary.
After selecting the appropriate mesh, it is time to lay it out on the wall. At this stage:
The mesh is cut according to the wall dimensions
Overlap between mesh strips is observed to maintain network continuity
Around openings such as doors and windows, the mesh is installed with reinforcement and greater precision
This overlap is typically sized to ensure force transfer between different wall areas without weakness.
Fiberglass mesh can be installed on the wall using various methods, but the most common method is as follows:
First, a thin layer of mortar or special plaster is applied to the wall surface
The fiberglass mesh is placed on the fresh mortar and gently pressed into it
Ensuring the mesh is completely flat, without wrinkles, and with proper adhesion to the wall surface
At this stage, precision in leveling the mesh and avoiding air bubbles or gaps between the mesh and the wall is very important.
After the mesh is secured, a second layer of mortar or plaster is applied over it to:
Completely embed the mesh within the mortar
Create a monolithic and resistant layer on the wall surface
Ensure uniform stress transfer across the wall surface
The thickness of this layer should be such that it provides full coverage while also preventing potential cracking.
In the final stage:
The wall surface is finished and smoothed
If needed, final layers such as gypsum, paint, or decorative coatings are applied
Proper curing of the mortar (keeping it moist or observing setting time) is performed to achieve full final strength
This stage has a direct impact on the final durability and quality of the Wall Mesh.
After installation is complete, the following should be checked:
Complete continuity of the mesh across the entire wall surface
Absence of cracks, detachment, or weak areas
Proper installation at corners, edges, and around openings
Final inspection ensures the proper performance of the fiberglass wall post under operational conditions and against lateral forces.
Given the increasing importance of building safety and the continuous updating of building codes, the use of modern methods such as Wall Mesh and Fiberglass Wall Posts has become a necessity. This system is not only a suitable replacement for traditional metal wall posts but also, with its lighter weight, higher durability, and easier installation, has a promising future in the construction industry. Choosing Wall Mesh is a smart step toward increasing safety, quality, and economic efficiency in construction projects.
GreenBrick – Specialized Reference for Building Materials
Guarantee the safety of your building walls with standard Fiberglass Wall Post and Wall Mesh products. Expert consultation, high quality, and fast supply are your project’s trusted partners.
Contact Khesht-e Sabz Consultants:
09128115548
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[accordion-item title=”1. Is Wall Mesh approved by building codes?”]
Yes, the use of fiberglass mesh and modern wall restraint systems is recommended in many new technical guidelines and is approved by structural engineers.
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[accordion-item title=”2. What types of walls is Wall Mesh suitable for?”]
This system is very suitable for brick, block, terracotta, and even lightweight walls.
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[accordion-item title=”3. Is Wall Mesh only applicable to new buildings?”]
No, Wall Mesh is also easily applicable in renovation and retrofitting projects for old buildings.
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[accordion-item title=”4. What is the service life of a fiberglass wall post?”]
If properly installed and using high-quality materials, a fiberglass wall post has a very long service life and will perform well throughout the building’s lifespan.
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[accordion-item title=”5. Does Wall Mesh installation require specialized labor?”]
Although its installation is simpler than metal wall posts, using trained and experienced personnel is recommended to achieve the best results.
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