Quick Mud Keying Slots Expanded Corner Bead Designed for 90 Degree Internal Corners

Engineered with precision-milled keying slots along its expanded steel flange, this internal corner bead creates instant mechanical adhesion zones that reduce plaster application time by 35% while eliminating miter joints in high-abuse corridors. The staggered, vapor-permeable apertures enable rapid moisture escape during curing, preventing bond-line disruption in humidity-controlled environments like laboratories or sterile processing facilities. Constructed from 20-gauge hot-dipped galvanized steel per ASTM A653, its 135° return leg accommodates wall variances up to 3/8-inch and resists cart impacts exceeding 80 ft-lbs per ASTM D5420—ideal for educational and healthcare retrofits.

Commercial drywall contractors tackling podium towers and luxury hotels specify this product for its tolerance-compensating design, which synchronizes with spray-adhesive systems or corrosion-inhibiting S-1 clips to achieve Level 5 finishes without shimming. Embedded laser-leveling guides accelerate alignment over steel framing or tilt-up concrete, while NFRC-certified thermal modeling confirms zero cold bridging at corners when coupled with continuous insulation. Access region-specific ICC-ES reports for seismic Zone 4 compliance or leverage exclusive 25-year edge integrity warranties validated through 300 accelerated rust cycles per ASTM B117 salt-fog protocols.

Expanded Corner Bead – Frequently Asked Questions

1. What is Expanded Corner Bead used for?

It reinforces and protects external corners in plaster or drywall systems, helping create straight, crack-resistant edges in both residential and commercial projects.

2. Is it certified for use in the U.S. and Canada?

Yes. Our Expanded Corner Bead complies with ASTM and CSA standards, and is suitable for use in EIFS, stucco, and other cement-based wall systems.

3. What are the available materials and finishes?

We offer galvanized steel, stainless steel, or aluminum options, with corrosion-resistant finishes suitable for interior and exterior applications.

4. What is the minimum order quantity and lead time?

The MOQ is 2 pallets (typically 500 pieces per pallet, 1,000 pieces total). Lead time is 15–25 working days, depending on the order.

5. How is the product packaged for export?

Products are securely packed on pallets with strapping, corner protectors, and optional waterproof film. Custom labeling is available for distributors.

Company Profile (English)

WSFIVIN Metal Products Co., Ltd., headquartered in Anping County—known as China’s “Wire Mesh Capital”—is a direct-source factory specializing in metal lath and wire mesh. We have invested heavily to secure ICC-ES certification (International Code Council Evaluation Service), and we maintain ISO 9001 and ISO 14001 certifications to ensure every product meets or exceeds global standards. Our main product range includes Galvanized Welded Wire Mesh, Stucco Wire Mesh, Rib Lath, Self-Furring Metal Lath, and Wall Corner Systems, suitable for various structural reinforcement and plastering applications.

Our Advantages

• Factory-Direct Pricing
  As a manufacturer, we eliminate middlemen. In-house production, inspection, and shipping ensure tight control over quality and cost, allowing us to offer highly competitive ex-factory prices.

• Multiple International Certifications
  ICC-ES certified and tested by third-party laboratories; ISO 9001/14001 processes guarantee consistent performance and excellent corrosion resistance.

• Comprehensive Product Line, One-Stop Solution
  From welded wire mesh to a full range of metal lath and corner accessories, WSFIVIN provides all building reinforcement and plaster materials, with full OEM/ODM customization available.

• Global Market Experience
  Exporting to Southeast Asia, Europe, the Middle East, Africa, and North America, we are well-versed in regional building codes and logistics, offering professional guidance for each market.

• Efficient Delivery & After-Sales Support
  With robust production and warehousing systems, we respond quickly to orders. A dedicated after-sales team provides installation advice and technical assistance, ensuring high customer satisfaction.

Company Values

1. Quality First
   We adhere strictly to ICC-ES and international standards, ensuring reliable performance and long-lasting results on every project.

2. Integrity & Win-Win
   Honest operation and keeping promises form the foundation of long-term partnerships; we deliver on every commitment.

3. Customer-Centric
   By deeply understanding customer needs and responding promptly, we guide clients from product selection through post-sale support, solving problems at every step.

4. Innovation-Driven
   Continuously optimizing production processes and material formulas, we emphasize energy efficiency and eco-friendly solutions—offering overseas markets lighter, stronger, and more sustainable products.

5. Environmental Responsibility
   We promote green manufacturing and emission reduction, pursuing eco-friendly production to contribute to the industry’s sustainable development.

WSFIVIN is committed to “Factory Direct · Global Quality · Integrity Service.” We warmly welcome distributors, importers, and contractors worldwide to contact us for samples, technical support, and long-term cooperation opportunities.