What Is Rockwool Sandwich Panel
Rockwool sandwich panels are a modular building material designed to cover buildings and structures. These panels consist of two layers that form the outer structure and ensure form, weather resistance and rigidity. They contain a core that provides thermal and acoustic insulation properties.
Benefits of Rockwool Sandwich Panel
High Thermal Insulation
Rockwool sandwich panels provide excellent thermal insulation due to the high density of the Rockwool core. The panels can reduce heat loss in buildings, thus saving energy and reducing heating costs. They are also effective in maintaining a stable indoor temperature and preventing condensation.
Fire Resistance
Rockwool sandwich panels are highly fire-resistant and can prevent the spread of flames in case of a fire. The panels have a non-combustible core and meet the highest fire safety standards, making them ideal for buildings that require a high level of fire protection.
Acoustic Insulation
Rockwool sandwich panels also provide exceptional acoustic insulation by absorbing sound waves and reducing noise levels.
Weather Protection
The metal sheets provide a protective layer that prevents water penetration and damage to the building. The panels provide excellent insulation, fire resistance, and durability, making them suitable for harsh environments.
Durability
Rockwool sandwich panels are durable and require minimal maintenance. They can last for decades without needing any major repairs or replacements, making them a cost-effective solution for roofing and cladding purposes.
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Types of Rockwool Sandwich Panel
Sandwich panels for facades
Sandwich panels for facades have been improved for the construction of enclosures in homes, schools, hospitals, industrial centres or shopping centres. Sandwich panels can also be found for interior partitions that require insulation.
The advantages offered by these façade panels depend to a large extent on the method of joining between panels. The fastening system is implemented in a tongue-and-groove manner, ensuring adequate protection, preventing the dissipation of heat and humidity.
Sandwich panels for roofing
The characteristics of sandwich panels for roofs differ from façade panels in that they will have to withstand large amounts of snow, rain and other climatic factors.
They are fixed to the structure with self-drilling screws, to prevent leakage in case of rain and humidity, and are often combined with sealing joints, which speeds up installation without sacrificing the insulation layer.
Refrigerated panels
Sandwich panels can also be used in cold rooms or freezers where insulation is required. For these cases, the sandwich panel is designed with a thickness greater than normal to be able to withstand negative temperatures.
To maintain these extreme temperatures necessary for the preservation of fresh food products, special attention must be paid to the joints between the sandwich panels.
Installation Methods Of Rock Rockwool Sandwich Panel
The complete rock wool sandwich panel is generally composed of 5 parts, which are the outermost protective film, then the upper and lower colored steel plates, followed by a high-strength adhesive layer and the innermost rock wool sandwich layer.
Rockwool sandwich panel are widely used in buildings, machinery and equipment flat surfaces, various boilers and various heat exchanger equipment for thermal insulation, heat preservation, and sound absorption facilities. Generally, the operating temperature does not exceed 350 ° C. If the temperature is gradually controlled, the operating temperature can reach 500 ° C. The rock wool panel production line uses rock wool as the main material and adds the right amount of auxiliaries. Some need to increase the glass seam to make felt, and some need barbed wire to make felt.
Rock wool sandwich panel production line is mainly used in two types of construction techniques for building exterior wall insulation systems: on-site plate nailing and placing on the outside of cast-in-place concrete inner molds and simultaneous pouring of concrete.
The plate nail hanging process is to paste the plate on the base wall to pre-fix it, and then use two techniques of drill anchoring and nail anchoring to wrap the galvanized steel wire mesh on the outside of the rock wool panel. Due to the low peeling strength of the rock wool panel, the panel and The base wall cannot be fixed by adhesive, plus the negative pressure and wind vibration generated by the long-term wind force on the wall protection layer. It will cause a certain separation of the insulation system under the effect of similar fatigue loads, which will directly affect the service life of the insulation system. Therefore, only the mechanical fixing method of the wire mesh can be used. No less than 6 holes per square meter. Then brush the interface mortar on the surface, and then level it with rubber powder polystyrene particle insulation slurry, with a thickness of about 15mm. After 24 hours of initial setting, make plastic coated alkali-resistant glass fiber mesh cloth crack-resistant waterproof layer and polymer elastic bottom Coating, flexible putty, exterior wall coating and other construction procedures.
Sound Absorption Principle And Precautions Of Rockwool Sandwich Panel
Sound absorption principle of rockwool sandwich panel
Sometimes the rockwool sandwich panel needs to participate in organic binder or additives, which will have a certain impact on the incineration function of products. Sound insulation function: rock wool and slag wool products have excellent sound insulation and absorption functions. The sound absorption mechanism is that this product has porous structure. When sound waves pass through, part of the sound energy is absorbed by fibers due to the conflict of the effect of flow resistance, which hinders the transmission of sound waves.
Precautions for use of rockwool sandwich panel
First of all, when using rockwool sandwich panel, we must pay attention to prevent rain. It is very important not to work in rainy days. In addition, we should consider whether it is used for cold insulation or thermal insulation. If it is cold insulation, we must add moisture-proof layer, so as to achieve good results. If it is thermal insulation, we must pay attention to the question of moisture-proof. After all, we must pay attention to anti-corrosion when recycling rock wool board. Although the material itself can play a good anti-corrosion effect, it does not mean that we don't need to pay attention. If we don't pay attention, the material can be corroded.
Look at the material principle
The sound insulation products on the market are nothing more than two principles of sound absorption and sound insulation. Sound absorption mainly absorbs noise through the friction and consumption of countless holes inside porous materials, such as mineral wool, rock wool, glass fiber, polyester fiber, etc. Sound insulation is to reflect noise through high-density materials, such as metal plates, stone slabs, etc.
Look at the manufacturer
The manufacture and quality inspection of sound insulation panels require professional manufacturers, and it is necessary to test and analyze the sound pressure level of noise at different frequencies, so as to develop and recommend the most suitable sound-absorbing products in a targeted manner. When purchasing rockwool sandwich panel, you should try to choose a manufacturer with strong strength and guaranteed after-sales service.
Look at the convenience of installation
The installation of traditional sound insulation boards requires erecting keels on the original wall, filling high-density sound insulation cotton, installing sound insulation boards, and doing surface decoration and many other processes. The prefabricated rock wool sound insulation board is a piece of factory prefabricated wall, with the same modulus and groove, and the construction site only needs simple splicing.
PUR (Polyurethane) Panels V/S Rockwool Sandwich Panel
PUF Panels
The core protecting layer in PUF panels is polyurethane foam– PUR or PU. Throughout the manufacturing process, the product is poured in between two layers of GI sheets. The foam that is put strengthens with it is available in contact with the air. This strengthened layer glues the two sheets with each other, thus making a monolithic product with really high insulation buildings.
When it pertains to PUR, which means Rigid polyurethane, the insulation properties are extremely reliable also. These are light-weight panels which can be bound to several products. These paels have very high toughness to weight proportion. These panels are flexible and as a result discovers application in a wide range of items, because of its high insulation capacities.
Rockwool sandwich panel
The core insulating layer in rockwool panel is the rock wool itself, which is occasionally likewise referred to as mineral woollen. This mineral woollen or rockwool is glued in between the two GI sheets as well as develops a monolithic structure.
In rockwool sandwich panel, the core insulation layer is made of mineral wool. The rockwool layer holds both sheets of steels together. Mineral wool is just a coarse material which is crafted by rotating liquified mineral or rock products like slag as well as porcelains. Mineral wool is majorly used for audio proofing as well as fire-protection.
The key areas of distinction in between PUF and also Rockwol panels remain in its:
- Insulation Features
- Fire resistive capacities
- Audio isolation
Insulation Features
Polyurethane has higher insulation worth than that of rockwool. As an example, a 50 mm thick PUR or PUF panel provides the very same quantity of insulation as an 80 mm thick rockwool panel. As A Result PUF or PUR panels find application as wall as well as roof panels in factories and commercial buildings. It maintain the insides of a building at an optimum temperature via its insulation capacity.
Fire resisting abilities
Polyurethane is an organic substance which causes fuel the fires on a greater extent. Rockwool on the other hand is made of not natural components, which prevents fires from spreading out past a specific factor. So in a scenario where you require to have a panel that can hold the fire from spreading for a hour or two, after that rockwool is the option for you.
Sound Insulation Properties
Besides fire repellent capabilities, another huge benefit of rockwool panel is sound insulation. Rockwool fibers break down the acoustic waves and also subsides their intensity.
Setup needs some obtaining used to
Rockwool sandwich panels are heavier than polyurethane. So it requires to be taken care of with relatively even more care. Setup would certainly be easy after one has actually exercised few rounds.
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Our Factory
Shandong Hengjia Haya Building Materials Ltd. Was Founded In 2004 Year And Is Located In Zibo City, Shandong Province. We Have A General Investment Of 15 Millions And A Area Of More Than 7000 Square Meters, And More Than 20 Production Lines.
As A Professional Build Materials Supplier,Our Main Products Are Color Coated Steel Sheet, E P S / Rockwool / P U Sandwich Panels,Steel Structures, C / Z Purlins And All Kinds Of Steel Coils.
We Have Excellent Teams Who Focus On Product Development & Design, Quality Control & Inspection And Company Running. We Have Built A Modern Quality Management System Which Is In Strict Accordance With International Standards, We Have A Rang Of Well- Established Long- Term Relationships With Many Domestic Steel Companies .
Asked Questions
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