Hammerglass Finland (Part of Helsingin Network Service Oy group)
specialization:
Products
HNS W - Series 1 Bulletproof window.
Helsingin Network Service Oy presents the HNS‑W Series 1, the world’s lightest and thinnest NATO‑ and EN‑certified ballistic security window. Built in Finland from NATO‑sourced materials, it delivers BR6/FB6 protection at half the weight of conventional systems—offering a resilient, supply‑secure solution for hardening critical defence and infrastructure sites.
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NATO Mil.Std. Signal blocking window film
SD2500 is a NATO MIL‑STD–approved, 2‑mil clear RF/IR‑attenuating window film engineered for TSCM and anti‑eavesdropping protection. It exceeds ASTM F3057‑16 and IC requirements, blocking wireless signals, infrared leakage, and UV. Available in 1.83 m and 1.52 m widths.
About
Hammerglass Finland (Part of Helsingin Network Service Oy group)
THIS COMPANY OFFERS SOLUTIONS FOR
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.
Additional info
Hammerglass Finland operates as part of Helsinki Network Service Oy group and collaborates with trusted Nordic manufacturing partners. The company combines physical protection (anti-ballistic and anti-intrusion glazing) with electronic counter-surveillance solutions through its Signalblock product line.
At SSD Expo, Hammerglass presents integrated solutions for structural defence — protecting facilities against ballistic threats, blast pressure, forced entry, and electronic signal interception.
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Contact us
Anton Salmi
CEO
Risto Hansen
Head Of Sales - Baltic market
Wolffintie 36, F2 FI-65200 Vaasa Finland
+358 50 325 6996
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