Pemko 3572SP Offset Security B...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$373.37
$218.03
Pemko 3572SP Offset Security Bar, Galvanized Steel Finish

Pemko 3572SP Offset Security Bar, Galvanized Steel Finish

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Model: 3572SP84

In Stock (leaves warehouse same day if ordered before 3pm ET)

$373.37
$218.03
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Pemko 3572SP Offset Security Bar – Galvanized Steel Finish

The Pemko 3572SP Offset Security Bar is a heavy-duty security solution designed to reinforce single outswing wood or metal doors by covering the gap between the door and frame. This added protection helps prevent prying, tampering, and forced entry, making it an excellent choice for schools, commercial buildings, and exterior door openings that require enhanced security. The galvanized steel finish provides added durability and corrosion resistance for long-lasting performance.

Key Benefits

  • Helps prevent forced entry by reinforcing the door-to-frame gap

  • Designed for single outswing wood or metal doors

  • Full-height protection helps stop prying and manipulation

  • Great for classroom doors and exterior walkway openings

  • Galvanized steel finish supports long-term durability

Features

  • Applied to the face of an outswing door and covers the gap between the door and the jamb

  • For use on single outswing wood or metal doors

  • Available in Galvannealed Steel (SP finish)

  • Surface mounted to the face of the door with security thru-bolts

  • Custom cut to size

  • Fire doors must be installed to meet the requirements of NFPA 80

  • Prevents prying and damage to exterior doors

  • Excellent for classroom doors opening onto exterior walkways (specified and approved by major school districts)

Specifications

  • Manufacturer: Pemko

  • Model: 3572SP

  • Product Type: Offset Security Bar / Security Astragal

  • Application: Single outswing doors (wood or metal)

  • Finish: Galvanized Steel (SP)

  • Mounting: Surface mounted

  • Non-handed design

  • Width: 2-1/4"

  • Thickness: 1/8" (0.137")

  • Fasteners: 1/4" x 20 thru-bolt machine screws

  • Minimum Length: 80"

  • Fire Rating: UL 10C (Positive Pressure)

Manufacturer Resources

Product Specs

Features:
When Installing Pairs of Fire Doors Care Must be Taken to Maintain the Requirements of NFPA 80
Warranty:
5 Year
Product Group:
Door Trim and Accessories
Product Subgroup:
Astragals, Gaskets and Weatherstripping
Product Type:
Astragals
Subcategory:
Gaskets & Weatherstripping
Commercial/Residential:
Commercial
UL Listing Type:
Air Infiltration Tested, Fire Rated- UL10C- Positive Pressure, Underwriters Laboratory 4L10
Hang Type:
Offset Hung
Product Model:
3572SP
Product Finish:
SP-Galvannealed Steel
Product Dimension:
W : 2", H: 1/8"
Product Category:
Door Trim and Accessories
Product Substrate:
Aluminum
Department:
Door Hardware

Pemko 3572SP84 – Frequently Asked Questions

1) What is the Pemko 3572SP offset security bar used for?
The 3572SP is an offset security bar designed to reinforce door frames and prevent forced entry. It mounts between the door frame and adjacent wall structure to distribute impact forces across a wider area.
2) What door types and sizes is this security bar compatible with?
This bar works with most standard commercial and residential door frames. Verify your specific door width and frame construction before installation. Check the manufacturer template for exact compatibility requirements.
3) Can this security bar be used on both left and right hand doors?
The offset design typically accommodates specific door swing directions. Verify the handing requirements with the product specifications to ensure proper fit and function for your door configuration.
4) What finish does the galvanized steel provide?
The galvanized steel finish provides corrosion resistance and durability. This finish works well for both interior and exterior applications where moisture protection is needed.
5) What security grade or rating does this bar provide?
Security bars enhance door frame strength against forced entry attempts. Check the product specifications for any specific security ratings or certifications that may apply to your application requirements.
6) Does this security bar meet building code requirements?
Building code compliance varies by location and application. Consult your local building official to verify that security reinforcement meets current code requirements for your specific installation.
7) What fasteners and mounting hardware are included?
Check the product specifications for included mounting hardware. Additional fasteners appropriate for your wall construction may be required. Use fasteners rated for the structural loads involved.
8) How is the offset security bar installed?
Installation typically involves mounting the bar between the door frame and adjacent wall structure. Follow the manufacturer installation template exactly. Ensure adequate structural support in the mounting area.
9) Does this security bar require maintenance or adjustments?
Periodically inspect mounting fasteners for tightness and check for any signs of wear or damage. The galvanized finish requires minimal maintenance but should be inspected regularly in harsh environments.
10) Are there other Pemko security bar models available?
Pemko offers various security hardware solutions for different door configurations and security requirements. Check available options for your specific application needs.
11) What field conditions affect security bar performance?
Proper structural support in the mounting area is critical. Ensure adequate wall framing and use appropriate fasteners for your wall construction type. Avoid installation in areas with structural deficiencies.
12) What are the key measurements needed before ordering?
Measure door frame width, wall thickness, and available mounting space. Verify the offset distance required for your installation. Check the product dimensions against your specific door frame configuration.
How fast can I get the Pemko 3572SP84 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Pemko 3572SP84 come with a warranty?
Absolutely. The Pemko 3572SP84 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Pemko 3572SP84?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Pemko 3572SP84 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.

Product Reviews

  • 5
    Quality

    Posted by Joe Stano on Sep 29th 2025

    Best quality

  • 5
    Peace of Mind with Pemko 3572SP Offset Security Bar

    Posted by Jacob on Mar 24th 2024

    I'm impressed with the Pemko 3572SP offset security bar! The galvanized steel finish ensures durability and security for my door. However, installation can be a bit challenging without proper tools and expertise. Overall, it's a reliable addition to my home security setup, providing peace of mind.

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