| Aspect of comparison |
Armstrong mineral fiber acoustical ceiling |
Plasterboard board |
| Raw Materials |
· Green materials as newsprint, starch, mineral fiber etc. |
· Plasterboard: Construction gypsum
|
| NRC |
· NRC: 0.5-1.0
· Excellent acoustical performance much better than Plaster board
· Effectively reduce noise for a quiet environment
|
· NRC is close to 0
· If installed in room, noise is mostly reflected back in the room with severe echo, which reduces sound articulation, and
adversely affects study/work efficiency
|
| Weight |
· Its weight is much lighter than that of Plaster board
· Reduce load on building structure
· Easy to handle, install and maintain
|
· Increases load on the building structure |
| Appearance |
· A variety of products for choice with good decorative effect for a modern indoor environment |
· Basic |
| Installation |
· Light, easy and convenient to install
· Direct hung - speed up the construction process and lower the construction cost
|
· Time and energy-consuming in plaster board installation
· May have unsightly crack joint if installation done poorly
|
| Maintenance |
· Easy accessibility to pipeline and wires in the plenum area
· Easy to replace damage ceiling if needed
|
· Limited accessibility to plenum area
· Difficult to replace damage/soiled ceiling
|
| Quality assurance |
· China green environmental label
· Manufacturer provides written limited quality warranty of 10/15 years
|
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