Pemko 324 Series Aluminum Sill Nosing 3-1/2" Wide Threshold Cover

Pemko 324 Series Aluminum Sill Nosing 3-1/2"; Wide Threshold Cover

Professional Threshold Finishing Solution

The Pemko 324 Series Sill Nosing provides a professional finishing solution for door threshold installations, measuring 3-1/2"; wide and designed to cover concrete or wood sub-sills. This UL 4L10 listed sill nosing is constructed from aluminum alloy or brass and weighs only 0.38 lbs with a 1/80"; overall height profile. Available in lengths from 24"; minimum to 185"; maximum, it effectively covers defects while providing an attractive finished appearance for both new and existing door installations.

Professional Features & Benefits

• Optimal Width Coverage: 3-1/2"; wide design provides comprehensive coverage for standard concrete and wood sub-sills in residential and commercial applications.
• Flexible Length Options: Available in lengths from 24"; minimum to 185"; maximum to accommodate various door opening widths and custom applications.
• Lightweight Construction: At 0.38 lbs weight and 1/80"; overall height, provides substantial coverage without adding significant bulk to the threshold assembly.
• Durable Material Options: Available in aluminum alloy or brass construction for long-lasting performance and corrosion resistance in threshold applications.
• UL Fire Rating Compliance: UL 4L10 listed certification ensures compliance with fire safety requirements for commercial and residential door installations.
• Secure Installation Method: Held in place with mastic and pressure from threshold placement, eliminating the need for visible fasteners and providing a clean finished appearance.
• Defect Coverage Capability: Effectively covers imperfections and defects in existing sills while providing a uniform, professional appearance.

Technical Specifications

• Department: Door Hardware
• Product Category: Door Trim and Accessories
• Product Dimension: W: 3-1/2";
• Product Group: Door Trim and Accessories
• Product Model: 324
• Product Subgroup: Door Thresholds
• Product Type: Residential Thresholds and Sills for Pre-Hung Openings
• Subcategory: Thresholds

Professional Applications

• Residential Door Installations
• Commercial Building Entrances
• Renovation and Retrofit Projects
• Multi-Unit Housing Developments
• Educational Facility Doorways
• Healthcare Institution Entrances
• Office Building Threshold Upgrades

Why Choose Pemko Quality?

Pemko 324 Series Sill Nosing delivers professional-grade threshold finishing with durable aluminum alloy or brass construction and UL 4L10 fire rating certification. The lightweight 0.38 lb design with 1/80"; profile provides effective coverage without compromising door operation. Engineered for reliable performance in both new construction and renovation applications where professional appearance and code compliance are essential.