Keson 105R ProChalk Semi-Permanent Red 5 lb Marking Chalk:

The Keson 105R ProChalk Semi-Permanent Red Marking Chalk is engineered for professionals who need durable, weather-resistant lines that last longer than standard chalk but will eventually wear away naturally. Perfect for exterior applications, this chalk delivers superior adhesion and visibility in demanding environments. Keson’s Level 3 ProChalk Semi-Permanent formula is designed for outdoor projects where markings need to withstand rain, wind, and jobsite wear. Its vivid red pigment ensures high visibility on a variety of surfaces, making it a trusted choice for construction and layout work.

Key Features

• Semi-Permanent Formula: Creates weather- and water-resistant lines that stick for a long time but will eventually fade.
• High Visibility Red Color: Bold pigment for clear, sharp lines on multiple surfaces.
• Performance Level 3: Ideal for demanding exterior applications.
• Large Capacity: 5 lb jug for extended use on big projects.
• Consistent Quality: Fine texture for smooth flow and precise chalk lines.

Specifications

• Brand: Keson
• Model: 105R
• Series: ProChalk Semi-Permanent
• Color: Red
• Weight: 5 lb
• Type: Semi-Permanent Marking Chalk
• Performance Rating: Level 3
• Container Features: Tapered refill tip with cap; easy-pour design

Applications

• Exterior Layouts: Perfect for marking foundations, framing lines, and outdoor construction.
• Concrete Layout: Provides durable lines for masonry and paving projects.
• Roofing: Ideal for marking shingles and layout lines in harsh conditions.
• Metal Fabrication: Suitable for industrial marking tasks requiring long-lasting visibility.

The Keson 105R ProChalk Semi-Permanent Red Marking Chalk is the ultimate solution for professionals who need markings that endure the elements without being permanent. Reliable, vivid, and easy to use—this chalk is built for tough jobs.