SMART (PIR) Panels V/s Calcium Silicate Tiles
| PROPERTIES | SMART PIR PANELS | CALCIUM SILICATE TILES | REMARKS |
|---|---|---|---|
| Thickness | Maximum upto 75 mm | Maximun upto 25mm | - |
| Length | Upto 2000 mm | 610, 1220, 1830 & 2440 mm | - |
| Width | 600, 1200 mm | 600, 1200 mm | - |
| Density | 48 Kg/m3 | >800 Kg/m3 | - |
| Surface | With Aluminium Foil | Nil | PIR is better as surface acts as water barrier |
| Fire Retardant Rating | Class 0 | Class 0 | - |
| Material Class | B1 | Non Combustible | - |
| Surface Spread of Flame | Class 1 | Class 1 | - |
| Fire Propagation Index | I > 7.8 R | I > 4.0 R | BS 476 Part 6 |
| Thermal Conductivity | 0.019 W/m.K | 0.15 W/m.K | Lower is Better |
| Thermal Resistance | 0.90 m2K/W for 20 mm | 0.04 – 0.08 m2K/W for 6-25 mm | Higher is Better |
| Moisture Content | 0.03% by Volume | Upto 15% by volume | Lower is Better |
| Shrinkage Dimension | No Change | 0.10% | Lower is Better |
| Length Change | Not affected | 0.15% | - |
| Weight | Very Light Weight | Four Times Heavier | Less support is required |
| Service Temperature | -40oC to 150oC | 0oC to 150oC | - |
| Effect of Condensation | Not Allowed | Patches occurs on tiles | - |
| Underdeck Insulation | Not Required | Required | - |
| Visual Appearance | Not Affected | Fading & Discoloration | On contact with water |