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...
How Long Do Window Films Last?
Window film used in commercial properties lasts 10 to 15 years on average. When used in a residential property, it is often given a lifetime guarantee. Modern-day architecture in both commercial and residential spaces includes using more glass in construction than...
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Suite L
Owings Mills, MD. 21117