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Product
Exterior wall composite rock wool board
- Product details
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Exterior wall composite rock wool board is a composite rock wool insulation system made of vertical rock wool strips as the core material, arranged and spliced together, double-sided coated with interface agents, mesh cloth, bonding mortar, and waterproof and crack resistant mortar. Applied in the thin plastering external wall insulation system, due to the pre fabricated structure, it can reduce the construction steps of the system and effectively save the construction period. The surface of the product is coated with special mortar to improve the hydrophobicity of the product surface and increase the bonding strength between the product and the system, ensuring the stability of the thin plastering system. It can be widely used in new construction. Expansion and energy-saving renovation projects for existing buildings.
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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.
