What surfaces can this bituminous compound be applied to?

It is primarily applied to concrete, masonry, and metal surfaces meant for roofs, foundation walls, and structural joints.

Can this compound be used for high-pressure underwater joints?

No, it is generally intended for waterproofing and caulking in atmospheric conditions and basements; high hydrostatic pressure applications typically require specialized waterstops.

How is the compound tested for consistency and temperature resistance?

Tests such as Penetration (IS 1203) measure consistency, and Softening Point (IS 1205) measures temperature resistance.

IS 1580

: 1991

bituminous compound for water-proofing and caulking purposes

CurrentSpecializedSpecificationMaterials Science · Waterproofing and Damp-Proofing

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This standard lays down the specification, requirements, and testing methods for bituminous compounds specifically designed for waterproofing roofs, damp-proofing basements, and caulking joints in buildings. It ensures the material possesses adequate elasticity, adhesion, and thermal stability to prevent water ingress over time.

bituminous compound for water-proofing and caulking purposes

Quick Reference Values

Specific gravity at 27°C1.00 to 1.30

Water content (Max)0.5% by mass

Softening point (Min)85°C (Ring and Ball method)

Penetration at 25°CWithin grade-specific limits (typically 20-50 dmm)

Practical Notes

Ensure the application surface (substrate) is thoroughly clean, dry, and free of loose dust, oil, and grease before applying the compound.

For hot-applied compounds, avoid localized overheating which can degrade the bitumen's structural properties.

A compatible bituminous primer should ideally be used on concrete or masonry substrates to ensure optimal adhesion.