ProChalk Permanent Chalk – LEVEL 4 Extreme-Duty, Weatherproof Layout Chalk-1
ProChalk Permanent Chalk – LEVEL 4 Extreme-Duty, Weatherproof Layout Chalk-2
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ProChalk Permanent Chalk – LEVEL 4 Extreme-Duty, Weatherproof Layout Chalk-4
ProChalk Permanent Chalk – LEVEL 4 Extreme-Duty, Weatherproof Layout Chalk-5
ProChalk Permanent Chalk – LEVEL 4 Extreme-Duty, Weatherproof Layout Chalk-6

ProChalk Permanent Chalk – LEVEL 4 Extreme-Duty, Weatherproof Layout Chalk

$4.89 $5.56 Save $0.67

SKU: PM8BLACK Barcode: 052837021482

30 Day
Return Policy

Speedy
Delivery

Family
Owned

In stock!
Color: Black
Black
Red
Blue
Size: : 8oz
Fulfillment is approximately 2-3 days after the order is placed

Add $150.00 more for FREE shipping!

⭐ Key Features

  • Permanent, weatherproof chalk for long-term layout

  • Waterproof formula resists rain, snow, and jobsite moisture

  • Engineered for extreme exterior conditions

  • Ideal for concrete layout, excavation, and foundational marking

  • High-visibility color adheres to rough surfaces

  • Best for marks that will be covered or need to last

  • Professional-grade performance for contractors

⭐ Perfect For

  • Concrete layout

  • Exterior building and framing

  • Long-term construction marking

  • Harsh weather environments

  • Layout lines that must remain through cutting, pouring, or covering

ProChalk Permanent Chalk is designed for long-lasting layout lines that need to withstand weather, water, foot traffic, and harsh jobsite conditions. Formulated for maximum adhesion and permanence, this chalk is the go-to choice for contractors who need layout marks that stay put—even in extreme environments.

This level of intensity is ideal for lines that will be covered, cut, poured, or painted over, or for outdoor applications where temporary chalk would fade or wash away. Whether you're working on exterior concrete layout, framing, excavation prep, or long-term construction projects, ProChalk Permanent delivers dependable, high-visibility markings that last.