Duroply Duro Fireshield Board Is 5509 Block Board

IS:5509 fire-retardant blockboard from Duroply, vacuum-pressure treated with fire-resistant chemicals. Resists immediate ignition and flame spread. Suitable for fire-code compliant furniture, partitions, and large interior panel applications. Duroply Industries Limited, with 65+ years of legacy, is one of India's oldest and most respected plywood brands, listed on BSE and CSE, known for high-quality innovation and FSC-certified products.