Why sand is sprinkled on hot bitumen while laying DPC
- Thread starter Srinivasan
- Start date
Dnyan Deshmukh
Staff member
To form a bonding between materials, the very essential thing is "key" to make interlocking of them.
Bitumen and cement are two different materials, if there is cement finish above it, cement will require a key for bonding which is generally made by sprinkling sand particles on surface.
Bitumen and cement are two different materials, if there is cement finish above it, cement will require a key for bonding which is generally made by sprinkling sand particles on surface.
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