After being aluminum-plated, non-woven fabric combines the light-reflective, waterproof, and barrier properties of the aluminum layer with the flexibility and moderate breathability of the non-woven fabric itself. It has various specific applications in the construction industry, mainly focusing on scenarios such as thermal insulation, moisture-proof protection, and temporary shielding. The details are as follows:
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Wall/roof thermal insulation layer
The aluminum layer can effectively reflect solar radiant heat (especially infrared rays), reducing heat transfer into the room through walls or roofs. The non-woven base provides a certain degree of flexibility and support, making it easy to cut and fit. Such materials are often sandwiched in the insulation layer of building walls or laid on the surface of roof insulation layers. When used in conjunction with materials like insulation cotton, they enhance the building's heat insulation effect and reduce air conditioning energy consumption in summer (especially suitable for high-temperature areas).
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Wall/floor moisture-proof layer
The aluminum layer has excellent water vapor barrier properties, which can prevent underground moisture or water vapor from inside the walls from penetrating into the room. Meanwhile, the breathability of the non-woven fabric prevents material mildew caused by local water vapor accumulation. Therefore, it is often used for moisture-proofing the base layer of basement walls and first-floor floors, or for pre-treatment of walls in humid areas such as bathrooms and kitchens. It serves as a "moisture-proof barrier" to reduce problems of wall dampness and mildew.
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Pipe insulation wrapping
For hot water pipes, heating pipes, and other pipes in buildings, aluminum-plated non-woven fabric can be used as an outer wrapping material. The aluminum layer reflects the heat emitted by the pipes, reducing heat loss; the non-woven fabric protects the aluminum layer from friction damage and, with its certain flexibility, facilitates wrapping of irregularly shaped pipes, improving insulation efficiency.
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Temporary construction protection and shielding
During the building construction phase, aluminum-plated non-woven fabric can be used as a temporary shielding material. For example, when covering unfinished roofs or walls, the aluminum layer can resist rain and UV exposure, protecting the base layer from weather influences. Additionally, its light weight and recyclability (for some types) make it suitable for short-term temporary use.
In addition, due to its light weight and easy construction, it is also used in the sandwich structures of some light-weight buildings (such as sentry boxes and temporary exhibition halls) for auxiliary insulation and moisture-proofing.
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