Pemko 120 Series Interlocking ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$677.01
$620.34
Pemko 120 Series Interlocking Threshold with 61 J Hook - 4-1/2" Width x 7/8" Height

Pemko 120 Series Interlocking Threshold with 61 J Hook - 4-1/2" Width x 7/8" Height

(No reviews yet) Write a Review

Model: 120B 36
Selected Finish is

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

$677.01
$620.34
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Pemko 120 Series Interlocking Threshold with 61 J Hook - 4-1/2"; Width x 7/8"; Height

Superior Moisture Prevention for Residential Doorways

The Pemko 120 Series Interlocking Threshold with 61 J Hook delivers superior moisture prevention for residential doorways with its precision-engineered design. Featuring 4-1/2"; width and 7/8"; height dimensions, this threshold combines functional performance with aesthetic appeal. Available in aluminum, brass, and bronze base materials, it accommodates installations from 24"; to 185"; maximum length for versatile residential applications.

Professional Features & Benefits

  • Precision Dimensions: 4-1/2"; width and 7/8"; height provide optimal fit for standard residential door openings with superior sealing performance.
  • Interlocking Design with J Hook: 61 J Hook configuration creates secure interlocking connection for enhanced moisture barrier protection.
  • Flexible Length Options: Available in lengths from 24"; minimum to 185"; maximum to accommodate various door opening widths.
  • Multiple Material Options: Choose from aluminum, brass, or bronze base materials to match existing hardware and architectural requirements.
  • Complete Installation Hardware: Includes 10x1-1/2 PHFH wood screws for secure mounting to wood substrates.
  • Residential-Optimized Design: Specifically engineered for residential applications where moisture prevention is critical while maintaining aesthetic appeal.

Professional Applications

  • Residential Entry Doors
  • Patio and Sliding Door Installations
  • Multi-Family Housing Units
  • Custom Home Construction
  • Door Replacement and Renovation Projects
  • Moisture-Critical Residential Applications
  • Pre-Hung Door System Integration

Why Choose Pemko Quality?

Pemko 120 Series thresholds deliver professional-grade moisture protection with precision-engineered interlocking design and multiple material options including aluminum, brass, and bronze construction. The 4-pound weight rating and flexible length options from 24"; to 185"; ensure reliable performance for demanding residential applications where dependable moisture prevention is essential.

Product Documentation & Resources

Manufacturer Resources

Product Specs

Subcategory:
Thresholds
Product Group:
Door Trim and Accessories
Product Subgroup:
Door Thresholds
Product Type:
Residential Thresholds and Sills for Pre-Hung Openings
Product Model:
120
Product Dimension:
W: 4-1/2", H 7/8"
Product Category:
Door Trim and Accessories
Department:
Door Hardware
Series:
120 Series

Pemko 120B 36 – Frequently Asked Questions

1) What is the Pemko 120 Series interlocking threshold designed for?
The Pemko 120 Series provides a weatherproof seal between door and frame. The 61 J-hook design interlocks with compatible door bottom sweeps to prevent air and water infiltration.
2) What door widths work with this threshold?
This threshold accommodates doors up to 4-1/2 inches wide. Verify your door thickness before ordering to ensure proper fit with the interlocking system.
3) How do you handle door swing direction with this threshold?
The 61 J-hook design works with inswing and outswing doors. The hook orientation must match your door bottom sweep configuration for proper interlocking.
4) What finishes are available for the 120 Series threshold?
Pemko typically offers mill finish aluminum and anodized finishes. Check specific product listings for available finish options that match your project requirements.
5) What is the load capacity of this threshold?
The aluminum construction provides commercial-grade durability for standard door applications. Verify load requirements with manufacturer specifications for heavy-duty or high-traffic installations.
6) Does this threshold meet building code requirements?
The 7/8 inch height meets most accessibility guidelines. Check local codes for specific threshold height and beveling requirements in your jurisdiction.
7) What door bottom sweep works with the 61 J-hook?
Use compatible door bottom sweeps designed for J-hook interlocking systems. The sweep profile must match the 61 hook configuration.
8) How do you install the Pemko 120 Series threshold?
Cut threshold to door width minus 1/8 inch. Secure with appropriate fasteners through pre-drilled holes. Use sealant under threshold for weatherproofing. Follow manufacturer template for exact positioning.
9) How do you maintain interlocking thresholds?
Clean debris from J-hook channel regularly. Check door sweep alignment periodically. Replace worn sweeps to maintain proper interlocking seal performance.
10) What other Pemko threshold series are available?
Pemko offers various threshold series for different applications. Browse Pemko products for alternative profiles, heights, and sealing systems.
11) Can this threshold work in wet weather conditions?
The interlocking design provides excellent water resistance when properly installed with compatible door sweep. Ensure proper drainage away from threshold area.
12) How do you measure for threshold replacement?
Measure door opening width, existing threshold height, and note current sweep type. The 7/8 inch height and J-hook design must match your door bottom configuration for proper operation.
How fast can I get the Pemko 120B 36 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 120B 36 come with a warranty?
Absolutely. The Pemko 120B 36 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 120B 36?
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 120B 36 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.
!