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.
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Debunking Myth Series: Can window films deliver savings in both hot and cold seasons?
Today was April 8, 2018, in the DC/Maryland/Virginia area, and the temperature at 9 AM this morning was 31 degrees Fahrenheit. The long, long, LONG winter seems to be refusing to morph into spring, and thus in a time of year when we’re normally enjoying mild weather...
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3 Easter Court
Suite L
Owings Mills, MD. 21117