What is the maximum permissible water absorption for clay ridge and ceiling tiles?

The maximum water absorption should not exceed 20 percent by mass after 24 hours of cold water immersion.

What is the required breaking load for a clay ridge tile?

A clay ridge tile must withstand a minimum breaking load of 2.7 kN to ensure durability against service loads.

Are there specific dimensional tolerances?

Yes, standard tolerances are specified for length, width, and thickness to ensure proper interlocking, fitting, and uniform appearance.

IS 1464

: 1986

Clay ridge and ceiling tiles

CurrentSpecializedSpecificationArchitectural · Roofing Materials

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This standard specifies the requirements for dimensions, tolerances, and physical properties such as water absorption and breaking load for clay ridge and ceiling tiles used in building construction.

Specifies requirements for clay ridge and ceiling tiles.

Quick Reference Values

maximum water absorption20% by mass after 24 hours immersion

minimum breaking load ridge tiles2.7 kN

minimum breaking load ceiling tiles0.5 kN

Practical Notes

Ensure ridge tiles are selected with the appropriate angle to match the specific pitch of the roof to prevent water leakage.

Tiles must be adequately soaked in water before installation so they do not absorb moisture from the bedding mortar.

Inspect tiles for warpage, cracks, and uniform firing/color before use to ensure both structural integrity and aesthetic consistency.