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Product
External wall insulation rock wool tape
- Product details
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The rock wool strip for external wall insulation is a Class A non combustible material recommended for use in JG] 289-2012 "Technical Specification for Building External Wall Insulation Fire Isolation Strip". From the perspectives of energy conservation, fire prevention, and safety, rock wool tape for external wall insulation is the best fireproof insulation material for building fire isolation belts. It can be used in conjunction with other insulation materials with combustion performance that does not reach Class A (such as EPS, XPS board, etc.) to improve the overall fire resistance of buildings. It is applied in non-A grade insulation material exterior wall insulation systems, set horizontally, which can effectively prevent the spread of fire and improve the fire resistance of building exterior walls.
Classic application of rock wool tape for external wall insulation: Ensure that the interlayer with a width of at least 300mm is designed to be fire-resistant and fully adhered to the base wall.
Application of thin plastering with rock wool tape for external wall insulation: The overall wall is made of vertical wire rock wool tape in the form of thin plastering treatment, which can be applied to external walls, underground garages or storage rooms, and ceilings to achieve higher tensile strength. The unified material ensures consistent insulation performance and weather resistance, making fire prevention safer.
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common problem
Q
What are the main types of building insulation materials? What are the advantages and disadvantages of each?
A
Advantages: Good fire resistance (Class A non combustible), good breathability, and high stability.
Disadvantages: Slightly higher thermal conductivity than organic materials, higher water absorption rate, and easy generation of fiber dust during construction.
Organic insulation materials (such as EPS polystyrene board, XPS extruded board, PU polyurethane):
Advantages: low thermal conductivity, good insulation effect, light weight, and convenient construction.
Disadvantages: The fire rating is mostly B level (requiring the addition of flame retardants), it is prone to deformation at high temperatures, and its durability is slightly poor.
Composite insulation materials (such as integrated insulation board, vacuum insulation board):
Advantages: Excellent comprehensive performance, high construction efficiency, and some can achieve Class A fire protection.
Disadvantages: High cost and strict requirements for the flatness of the base layer.
Q
How to choose insulation materials suitable for the project?
A
Fire prevention requirements: Grade A materials are required for high-rise buildings (>100m); Low level B1 (flame retardant) is available.
Climate conditions: In extremely cold regions, materials with low thermal conductivity (such as PU, XPS) are preferred; Low water absorption is required in humid environment (such as XPS, foam glass).
Base type: Concrete walls often use boards; Complex shapes can be coated with polyurethane or insulated mortar.
Economy: EPS has the lowest cost; Vacuum insulation board is expensive but thin.
Policy and regulations: B2 level materials are prohibited in some areas, and local standards need to be consulted.
