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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Ways to Reduce Summer Energy Cost in Your Building
Summer is coming, and together with backyard cookouts, the lazy drone of lawnmowers, and baseball comes the inexorable march of the summer sun. Hotter and longer days translate into more time with your home or office baking in the sun, with all its attendant damage to...
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3 Easter Court
Suite L
Owings Mills, MD. 21117