PalmSHIELD Diagonal Louvers Specifications

Ajax diagonal louvers, PalmSHIELD’s latest product design, has received a noticeable amount of interest from both designers and architects. They all would like to know how they can include these diagonal louvers in their next modern mechanical patio rail, dumpster enclosure or equipment screen. PalmSHIELD has provided a series of CAD drawings to make it straightforward for these architects to quickly add this one-of-a-kind design to their projects. They are now offering a complete set of specifications to clear up any questions regarding designs and materials. 

SECTION 32 31 13


The specifier will need to edit this product specification for a specific project to reflect the options and applications being used.  This guide section has been written to show items to be determined reflected in italic red.  PalmSHIELD does not warrant that these specifications are complete and applicable to all applications.  It is the specifier’s responsibility to assure that use of PalmSHIELD is an appropriate fit for the site and conditions.


  1. This section describes the following fence system:
  2. Fixed louver modular fencing panels fabricated with extruded aluminum diagonal tubes including extruded aluminum fence posts and aluminum gates. Louvered security fence and gates shall be furnished and installed as shown on the plans and specified herein, overall height of diagonal louver framework shall be (state height here)
  1. Furnish materials, labor, expertise and equipment necessary to complete all work specified in this section and as shown on the drawings.
  2. Structural Performance: Provide product and installation capable of withstanding the effects of gravity lads and the following loads and stresses within limits and under conditions indicated.
    1. Uniform pressure of 30 lbf/sq. ft. acting inward or outward.
    2. Thermal Movements resulting from a temperature change (range) of 120 degrees Fahrenheit ambient and 180 degrees Fahrenheit material surfaces.
  1. Shop drawings and manufacturer's literature: Provide specifications and construction detail drawings to substantiate quality of materials and provide details of fabrication and installation.
  2. Submittals shall be in accordance with standard construction practices to include complete detailed layout of all panels, posts, gates. Submittals shall include plan layout, elevations and section views of panels, posts and gates.
  3. Certificate: manufacturer's certification that materials meet specification requirements.
  1. ASTM B 209 – Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
  2. ASTM B 221 – Standard Specification for Aluminum and Aluminum-Ally Extruded Bars, Rods, Wire, Profiles and Tubes.
  3. ASTM D3363 – Standard Test Method for Film Hardness by Pencil Test.
  4. ASTM D2794 – Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation.
  5. ASTM B117 – Standard Practice for Operating Salt Spray Apparatus.
  6. ASTM D822 – Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings.
  7. AWS D!.2 Structural Welding Code – Aluminum.
  1. Installation of fence and materials shall conform to the requirements of the fence manufacturer.
  2. The fence shall be warranted from any defects in materials and workmanship for a period as specified in the relevant section of the contract documents.
  1. Vertical louvered security fence:
    1. Approved vertical louvered fence system manufacturer:
    2. Palm Shield Diagonal Louvers, Ajax.
  2. Material Descriptions:
    1. Extruded Aluminum: ASTM B 221, Alloy 6063 – Temper T-6.
    2. Sheet Aluminum: ASTM B211, Alloy 6063 – Temper T
    3. Tube Aluminum ASTM B211, Alloy 6063-T52
    4. Powder Coating Material Hardness: ASTM 3363 2H.
  1. Diagonal Louver Panel Description:
    1. Diagonal Louver Panel Height: (state height here)
    2. Diagonal Louver Panel Width: Not to exceed 6’.
    3. Diagonal louver fencing system consisting of diagonal fixed louver, modular fence panels fabricated with extruded aluminum framing bars and supported by extruded aluminum fence posts.
    4. Fixed Diagonal Louver Tubes: 2” x 1” x 0.1250 inch thick rectangular tube louver with an approximate 1 ½” air space between on a 45 degree angle. . OR Fixed Louver Bars: 0.1250 inch thick louver with an installed profile of 2 inch X 2.873 inch tall on a 45 degree angle. (Select one here.)
    5. Louver Framework: 3 inch x 3 inch x ¼ inch aluminum Framework supporting the louvers shall be solid welded and mitered.
    6. Louver Horizontal Top Cap: 3 inch x 3 inch x ¼ inch aluminum top cap.
    7. Louver Horizontal Bottom Cap: 3 inch x 3 inch x ¼ inch angle bottom cap.
  2. Fence Posts:
    1. Panel posts shall be 4 inch square by ¼ inch minimum extruded tubular aluminum sections with solid aluminum caps. Length as specified on the contract drawings.
    2. On center post spacing shall be as specified by manufacturer.
    3. All fence posts to be plated with 10” x 10” x ¾” aluminum plates with four ¾” hole for anchors.
  3. Fittings and accessories: All fittings and accessories shall be stainless steel and sized as specified by the fence manufacturer. Fence panels to be attached to posts with ¼” x 1” stainless steel screws.  Panels and posts are predrilled to support level installation.
  4. Anchor Bolts: Anchor bolts shall be (state means of anchoring posts to adjoining surface) and adequate to support loads based on screening height, exposures and loading.
  5. Gates: Swing to exterior of enclosure, size as shown on contract drawings.
    1. Louver spacing, style and appearance shall be identical to fence panels.
    2. Gate hinges to be Gorilla barrel hinge with ¾” rod, ball bearing, and grease zert.  Hinge plate to be ½” thick plates offset to create a 5/8” gap.  Standard hardware as required by the gate manufacturer for complete functional operation.  Hinges to be bolted to gate frame and field welded to steel gate posts.
    3. Gate latch to be internal lock with exterior grab handles.  Lock may be keyed and rekeyed.  Lock is accessible from both sides of gate.
    4. Welded frame, size as shown on the contract drawings, extruded    aluminum tubing with aluminum fixed louver panels to match      fencing material.
    5. Drop rods to be 1” schedule 40 pipe and through bolted to gate frame.
    6. Hardware: Size and type as determined by the manufacturer. Provide       three hinges per leaf.
      1. Provide 1 inch diameter center cane bolt assembly and strike, each door.
      2. Provide padlockable slide bolt assembly.
    7. Gate shall have welded frame fabricated from extruded aluminum tubing with aluminum fixed louver panels to match fencing material.   Frame configurations shall be as indicated on the contract drawings.
    8. Gate posts shall be as determined by manufacture. Gate posts to be specified to support gates.
  1. Factory Finish: Aluminum fence panels, posts and gates shall receive polyester powder coating.
    1. Polyester powder coating: Electrostatically applied colored polyester                                  powder coating heat cured to chemically bond finish to metal                             substrate.
    2. Color shall be as selected by Owner.
    3. Minimum hardness measured in accordance with ASTM D3363 2H.
    4. Direct impact resistance tested in accordance with ASTM D2794.                                    Withstand 160 inch-pounds.
    5. Salt spray resistance tested in accordance with ASTM B117: No undercutting, rusting, or blistering after 500 hours in 5 percent salt spray at 95° F and 95% relative humidity after 1,000 hours, less than 3/16 inches undercutting.
    6. Weatherability tested in accordance with ASTM D822: No film failure and 88 percent gloss retention after 1 year exposure in South                                Florida with test panels tilted 45°
  1. Verify that final grading in fence location is completed and without irregularities which will interfere with fence installation. PalmShield is designed to be installed on a level surface.  Variations in height, slopes, stairs steeping shall be shown on contract drawings and on submittal drawings.
  2. Field verify all fence dimensions and layout prior to commencing installation.
  3. Do not commence work until unsatisfactory conditions have been corrected.
  1. Install fence in accordance with manufacturer’s installation instructions.
  2. Install fence plumb and level. Posts are plated and mounted to top of surface.
  3. Do not install bent, bowed or otherwise damaged panels. Remove damaged components from site and replace.
  4. Secure fence panels with stainless with ¼” x 1” stainless steel screws to fence posts.        All posts and panels will be predrilled to support level installation.
  5. Gates
    1. Install gates and adjust hardware for smooth operation