NATO Mil.Std. Signal blocking window film

Hammerglass Finland provides advanced protective glazing and signal-shielding technologies designed for defence, government, and high-security environments. Its nano-treated polycarbonate glazing systems offer exceptional resistance against impact, forced entry, UV exposure, and harsh environmental conditions. In addition, the company delivers signal-blocking solutions that protect sensitive facilities against electronic surveillance and signal leakage. Together, these technologies enhance structural security, operational resilience, and information protection for embassies, command centres, defence installations, and other critical infrastructure. Hammerglass solutions are deployed across Nordic government institutions and defence organisations, supporting secure operations in demanding environments.