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Where are rock wool sandwich panels suitable for applications with strict fire safety regulations?
They are widely used in buildings with stringent fire safety requirements, such as chemical plants, power stations, firewalls and roofs of high-rise buildings, hospitals, schools, stadiums, and airport terminals.
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What is the most significant feature of a rock wool sandwich panel?
Its most significant feature is the combination of excellent fire resistance (Class A non-combustible) and thermal insulation properties. It uses rock wool, made from natural minerals like basalt, as the core material, making it the preferred choice for locations with high fire safety requirements.
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Are "sandwich panel" and "composite panel" the same concept?
Yes, in the context of building envelopes, "sandwich panel" is often a more descriptive term for "composite panel," specifically highlighting its "sandwich" layered structure. The two terms are generally interchangeable.
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What is the core advantage of a sandwich panel?
Its core advantage is functional integration. It combines the building envelope (facings) and insulation/thermal (core) functions into a single unit, factory-produced, achieving an optimal blend of high performance and rapid construction.
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What are the common connection methods for sandwich panels?
Common methods include: concealed clip systems (mainly for roofing, aesthetically clean), lap joints (used with sealant), and tongue-and-groove joints (for walls, providing a tight fit). The choice depends on the panel profile and waterproofing requirements.
