Norcal Perlite INC

Understanding perlite insulation R value is essential when designing energy-efficient construction systems, and Norcal Perlite provides high-quality perlite that delivers dependable thermal performance. Perlite insulation offers excellent resistance to heat transfer while remaining lightweight, fire-resistant, non-toxic, and moisture resistant. Commonly used in loose-fill insulation, masonry fill,...

Choose Norcal Perlite’s Sterile Perlite for clean, contamination-free growing environments. Our heat-expanded perlite is naturally sterile, making it ideal for seed starting, hydroponic setups, propagation trays, and sensitive horticultural applications where purity matters. Free from pathogens, weeds, and organic matter, it supports consistent aeration and reliable moisture retention. Widely used...

Norcal Perlite offers Bulk Horticultural Perlite for commercial nurseries, farms, and greenhouse operations across the West Coast. Our bulk-grade perlite ensures consistent quality and performance, improving drainage, aeration, and nutrient retention in soil mixes. Available in multiple grades and sizes, it’s ideal for large-scale horticultural use across California, Oregon, and Washington. Lightw...

High-quality vermiculite for cannabis cultivation from Norcal Perlite supports strong, healthy plant growth across California, Oregon, and Washington. Our horticultural-grade vermiculite improves moisture retention, soil aeration, and nutrient availability, making it ideal for both indoor and outdoor cannabis cultivation. Lightweight, sterile, and consistent, it helps growers achieve optimal root...