Chalk 5 lb - Orange (IRWIN)
Snap bold, highly visible lines that last through large projects. This 5 lb orange chalk delivers reliable coverage for heavy-duty layout work.
Perfect for contractors, this IRWIN 5 lb orange chalk works with standard chalk line reels and produces bright, consistent lines for roofing, siding, framing, and general construction applications.
Why Contractors Choose It
🔹 High-visibility – Orange lines stand out clearly on most surfaces
🔹 Large supply – 5 lb bottle keeps crews going longer without frequent refills
🔹 Consistent marking – Clean, reliable lines for accurate layouts
🔹 Reel compatible – Fits most standard chalk line reels for fast refills
How To Use
1. Open your chalk line reel and pour in the orange chalk.
2. Shake lightly to evenly coat the line.
3. Pull the line across your layout area and secure the hook.
4. Snap the line to mark surfaces clearly, then rewind for next use.
Additional Notes
• Ideal for roofing, siding, framing, and general construction layout
• 5 lb bottle provides a long-lasting supply for extended projects
• Works with standard chalk line reels for quick and easy refills
⚠️ California Proposition 65 Warning
This product may expose you to chemicals including pigments or dust compounds known to the State of California to cause cancer and birth defects or other reproductive harm.