rFoil 1800 Ultra NT SCIF Barrier - Solid, 4' x 250' (1,000 sq ft)Ultra NT SCIF Barrier from EcoFoil provides reliable RF shielding for secure rooms used to store or discuss sensitive compartmented information. Built with a woven polyethylene core laminated between two tear resistant aluminum foil layers, this barrier helps prevent radio frequencies from entering or leaving controlled spaces. It is widely used in government, military, and corporate facilities requiring ICD 705 compliance. Manufactured by Covertech,