Stalwart IS Anti-Ram High Security Steel Fence The Stalwart IS (Impasse Security) system integrates the strongest high security fence available with the most used anti-ram barrier. The Stalwart anti-crash barrier has been engineered and tested in compliance with current ASTM F2656-07 (Standard Test Method for Vehicle Crash Testing of Perimeter Barriers) and meets the demand for multiple vehicle threats. Features Anti-Ram Ratings SAFETY Act Certified GSA Schedule Available Integrated Design PermaCoat Maintenance Free Coating Meets Buy American Act Specification Quick Look Pales: .2.75"w x 14ga Rails: 2" x 2" x 11ga I-Beam Posts: 3" x 2.75" x 12ga & 4" x 2.75" x 11ga Heights: 6', 7', 8', 9' & 10' Standard Pale Spacing: 3.25" Anti-Scale Pale Spacing: 1.5" Close Downloads Flyer-Stalwart IS.pdf (.pdf, 1.6 MB) Spec-Stalwart IS K12.doc (.doc, 56 kB) Spec-Stalwart IS K12-Spanish.doc (.doc, 56 kB) Spec-Stalwart IS K8.doc (.doc, 58 kB) Spec-Stalwart IS M30-P1.doc (.doc, 57 kB) Spec-Stalwart IS M30-P2 Engineered K4 Equivalent.doc (.doc, 58 kB) Spec-Stalwart IS M40-P2.doc (.doc, 58 kB) Spec-Stalwart IS PU50-P2 Engineered.doc (.doc, 57 kB) Spec-Stalwart IS PU60-P2 Engineered.doc (.doc, 58 kB) Close Product Options Crash Ratings M50/P1 Tested M40/P2 Tested M30/P1 Tested M30/P2 Engineered K4 Equivalent PU60/P2 Engineered PU50/P2 Engineered K8 DOD Recognized K12 DOD Recognized Fence Styles Trident Stronghold Gauntlet 3 Rail Panels Available in 6', 7', 8', 9' & 10' height Standard bottom rail 3.25" standard airspace 2 Rail Panels Available in 6', 7', 8', 9' & 10' heights Standard bottom rail 3.25" standard airspace Colors *Contact Ameristar for color samples Close Interested in this product? Contact Us Stalwart Anti-Ram Barrier Crash Test Gate Recommendations Swing Gates Ameristar manufactures swing gate to match the height and picket style of the chosen fence system. Visit the Specs & Drawings page to download the matching swing gate drawings. TransPort IS The innovative TransPort IS cantilever gate system is made of three components: frame, facade, & hardware. Because of this simple and efficient design, the TransPort IS can easily be installed without the use of equipment or excess labor. PassPort IS PassPort IS is Ameristar's line of sliding roll gates that are ideal for projects that require a higher level of security.