What is the primary purpose of IS 4911?

To standardize the terminology used for bituminous waterproofing and damp-proofing across the Indian construction industry.

Does this code specify waterproofing application methods?

No, it is strictly a glossary of terms. For execution methods, engineers should refer to codes like IS 1346 or IS 1609.

How does the code differentiate between bitumen and asphalt?

Bitumen is defined as a non-crystalline solid or viscous material, while asphalt is a mixture of bitumen and inert mineral matter.

IS 4911

: 1986

Glossary of terms relating to bituminous waterproofing and damp-proofing of buildings

CurrentSpecializedTerminologyArchitectural · Waterproofing and Damp-Proofing

Download PDF BIS Portal Google

This standard provides a comprehensive glossary of terms related to bituminous waterproofing and damp-proofing of buildings. It is designed to standardize the vocabulary used in specifications, contracts, and construction to prevent ambiguity.

Glossary of terms relating to bituminous waterproofing and damp-proofing of buildings

Practical Notes

Primarily used by specification writers and contract managers to ensure precise contractual language.

Highly useful for legally and technically distinguishing between often-confused terms like asphalt, tar, and bitumen.

Does not contain application procedures or material specifications; it must be used alongside operational codes like IS 1346 and IS 1609.