Signals Defense Product Catalog
The 2026 Signals Defense catalog is here and contains information on our best selling Signals Defense products including: RF/IR window films, foils, tapes, paints, caulk, and Lockmasters RF/STC doors and locks.
Signals Defense requests your contact information in order for us to mail samples, email specifications, and download documents.
Building Shielding Experts
Thank you for considering Signals Defense for your building shielding needs. We are thrilled to share our product catalog for your reference. We have continued to expand our product line to cover all of your shielding requirements.
5 Ways Window Film Can Improve your Building
Window films have come a long way since they were first developed in the early 1970’s. Through advanced engineering and production technologies, today’s window films can provide a combination of energy savings, UV protection, glare reduction, additional security, and...
Number One Reason Your Business Should Invest In RF/IR Window Shielding
RF/IR SHIELDING FOR DATA SECURITY When most people think of office security, door locks, and advanced physical systems come to mind. But there's likely another threat lurking outside of your building - and if your facility doesn't have the proper protective...
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Owings Mills, MD. 21117