: Most glass wool products are made from up to 80% recycled glass, such as old bottles and windows, making it an eco-friendly alternative to petrochemical-based foams. Key Factors to Consider When Buying
: Look for third-party quality marks such as UL , CE , or ISO standards to ensure the product meets health and safety regulations. Glass Wool vs. Rock Wool buy glass wool
While both are mineral wools, they serve different niches. is lighter, more flexible, and generally more cost-effective, making it the preferred choice for general home insulation. Rock wool (stone wool) is denser and can withstand much higher temperatures (up to 1,000°C vs. glass wool's 260°C), making it better for specialized fire-rated partitions or heavy industrial equipment. Safe Handling and Installation : Most glass wool products are made from
: Classified as a non-combustible material, it does not propagate fire or release toxic smoke, providing an essential layer of safety for any structure. Rock Wool While both are mineral wools, they
: Determine if you need rolls (best for large, flat areas like attics) or semi-rigid batts (ideal for vertical wall cavities where structural integrity is needed).
Glass wool or rock wool: which insulation material ... - SI-isolatie