Advantages:

1. Perlite insulation exhibits low thermal conductivity and has excellent thermal properties.
2. Low cost, easy to handle and install.
3. Non-combustible, meeting fire regulations and therefore lowers insurance rates.
4. Does not shrink, swell, warp or slump.
5. Inorganic material that is vermin, and rot resistant.
6. As a result of its closed cell structure, the material does not retain moisture.