Engineer-in-Chief’s Branch – E2 Wks (Design) Sub Dte
DGMAP E-in-C’s Branch, Army HQ – Defence
HQ Chief Engineer Chennai Zone – MES
PWD Assam
MECON Ltd.



| S.No. | Property | FRP Doors | Metal Doors | Wooden Doors |
|---|---|---|---|---|
| 1. | Durability | Resistant to corrosion, rot, insects and chemicals | Non corrosion resistant | Prone to warping, rotting, and termite damage |
| 2. | Maintenance | Low maintenance requirements | Maintenance required | Requires regular maintenance and refinishing |
| 3. | Weather Resistance | Excellent resistance to weather elements | Mild resistant to weather elements | Susceptible to swelling, warping, and decay |
| 4. | Design Flexibility | Can be customized in various designs | Limited design options | Can be customized but with limited options |
| 5. | Insulation Properties | Excellent thermal and sound insulation | Moderate insulation properties | Moderate insulation properties |
| 6. | Fire Resistance | Can be manufactured to be fire-retardant | Can be fire-rated | Burnable material |
| 7. | Corrosion Resistance | Resistant to corrosion and rust | Prone to corrosion and rust | N/A |
| 8. | Security | Can be reinforced for enhanced security | Can be reinforced for enhanced security | Relatively secure depending on quality |
| 9. | Cost | Moderate cost | Moderate to high cost | Variable cost depending on wood species |
| S.No. | Technical Properties | FRP Doors |
|---|---|---|
| 1. | Thermal Insulation | R-value typically ranging from 3 to 5 per inch |
| 2. | Sound Insulation | Sound Transmission Class (STC) rating typically ranging from 28 to 35 |
| 3. | Water Absorption | Less than 1% by weight |
| 4. | Density | Approximately 1.5 – 2.0 g/cm³ |
| 5. | Tensile Strength | Typically ranging from 50 MPa to 150 MPa (7,250 psi to 21,750 psi) |
| 6. | Flexural Strength | Typically ranging from 70 MPa to 200 MPa (10,150 psi to 29,000 psi) |
| 7. | Modulus of Elasticity | Typically ranging from 7 GPa to 15 GPa (1,015,000 psi to 2,175,000 psi) |
| 8. | Thermal Conductivity | Low thermal conductivity typically around 0.2 – 0.3 W/m·K |
| 9. | Surface Hardness | Typically 70-80 Barcol hardness |
| 10. | Dimensional Stability | Coefficient of thermal expansion: 10-20 µm/m°C |
| 11. | Glass Transition Temperature (Tg) | Typically 100-120°C (212-248°F) |
| 12. | Acoustic Performance | Sound Transmission Class (STC) rating: 28-35 |
| 13. | Thermal Expansion | Typically 10-20 µm/m°C (5.5-11 µin/in°F) |