At National Security Screens we pride ourselves in fabricating the highest quality products in the industry. Our screens are manufactured using the best American made products available. We use UL specified techniques with quality American made components along with over 30 years of expertise to build the best alarm screen products available today. Our Alarm Screens feature .013 gauge charcoal fiberglass mesh with a 30 gauge Tefzel coated alarm strand wire interwoven every 4 inches. When connected to a new or existing wired or wireless alarm system, your customer will breathe easy knowing that they have fresh air and their family is safe with the only affordable perimeter alarm system available for residential use.