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Paper-based insulation typically involves the use of cellulose, a paper product, which is often made from recycled paper, such as newspapers. When used for insulation, these cellulose fibers are treated with fire retardant chemicals to improve safety and performance. However, alongside cellulose insulation, there are several other materials commonly used either in combination with paper or as alternatives for insulating purposes. These include:
1. Fiberglass – Made from fine glass fibers, fiberglass insulation is widely used in both residential and commercial buildings. It’s available in batts, rolls, and loose-fill forms.
2. Mineral Wool – Also known as rock wool or slag wool, mineral wool insulation is made from rock, furnace slag, and other raw materials which are melted and spun into fibers. It can be a great complement or alternative to cellulose insulation.
3. Polyurethane Foam – This is a type of foam insulation that can be sprayed into walls and ceilings. It expands to fill gaps, providing a high insulation value.
4. Expanded Polystyrene (EPS) – This is a type of rigid foam board insulation, commonly used for insulating walls, roofs, and floors.
5. Extruded Polystyrene (XPS) – Similar to EPS, XPS is also a type of foam board but is denser and has a higher R-value per inch than EPS.
6. Polyisocyanurate (Polyiso) – A