Tiles
IS 1237: Cement Concrete Flooring / Terrazzo Tiles
Key technical information and requirements related to Terrazzo / Mosaic Tiles from IS 1237:2012.
IS 1237: 2012 CEMENT CONCRETE FLOORING TILES — SPECIFICATION
Key Information – Terrazzo Tiles
DIMENSIONS (MM)
| # | Length | Breadth | Minimum Thickness | Minimum Thickness |
|---|---|---|---|---|
| # | Length | Breadth | Single Layer or Mono-layer Tile | Double Layer Tile |
| 1. | 200 | 200 | 10 | 15 |
| 2. | 250 | 250 | 12 | 16 |
| 3. | 300 | 300 | 14 | 20 |
| 4. | 400 | 400 | 16 | 25 |
DIMENSIONAL TOLERANCES
Length, Breadth: +/- 1mm
Longest Side & Shortest Side Difference: ≤ 1mm
Thickness (% of minimum thickness): +15%, -0
Thickness Difference (Thickest – Thinnest): 10% (of minimum thickness)
Thickness of Wearing Layer (minimum): 5mm (Chip size up to 12mm, general purpose)
6mm (Chip size up to 20mm, general purpose & heavy duty)
PHYSICAL REQUIREMENTS
Flatness (Concavity, convexity): ≤ 1mm
Perpendicularity (gap): ≤ 2% (of length of the edge)
Straightness (gap): ≤ 1% (of length of the edge)
Water Absorption (avg.): ≤ 10%
Wet Transverse Strength (avg.): ≥ 3 N/mm2
Wear Resistance (mm):
| Floor Tiles Type | Application | Average Wear | Individual Specimen |
|---|---|---|---|
| General Purpose | Light loads such as Office Buildings, Schools, Colleges, Hospitals and Residential Buildings (usually Indoor Floors) | ≤ 3.5 | ≤ 4.0 |
| Heavy Duty | Heavy traffic conditions such as Footpaths, Ramps, Entrances and Staircases of Public Buildings, Passages of Auditoriums and Storage Godowns (public path or industrial floors) | ≤ 2.0 | ≤ 2.5 |
SAMPLING
As per Level 1 in Table 1 and AQL 6.5% in Table 3A of IS 2500 (Part 1).
(For further details please refer to the Standard)
