USI 120 is a unique core blank made from multi-layered dense particleboard board and mineral pressed with adhesive. It is engineered to resist fire and acoustic proof, designed for door/shutter assemblies in different configurations.
Three layered particle board composed of hardwood particles taken from sawmill, joinery residues bonded with compatible adhesive agent, additives and solvents.
Approved Integrity and Insulation 120 min
Up to 49 STC
Compatable for all doors configurations
I-LISTING, IPS Certification Services