Question
Download Solution PDFWhich of the following waterproofing methods is often used for external surfaces of concrete structures?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Membrane waterproofing
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Involves applying a waterproof material (e.g., bitumen, PVC, EPDM) to external concrete surfaces.
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Creates a barrier to prevent water infiltration.
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Commonly used for roofs, basements, and foundations of concrete structures.
Additional Information Root barriers
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Used to prevent plant roots from penetrating concrete structures.
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Commonly used in landscaping, especially for green roofs.
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Not a waterproofing method but can protect concrete from root damage.
Cavity wall construction
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Involves creating a gap (cavity) between two walls for insulation and moisture control.
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Helps reduce dampness but not a direct waterproofing solution.
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Primarily used in wall construction, not specifically for external surfaces of concrete structures.
Integral waterproofing
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Involves adding waterproofing chemicals to the concrete mix itself.
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Reduces water permeability within the concrete.
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Suitable for internal use, not specifically for external surfaces of concrete structures.
Last updated on Jun 7, 2025
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