Chalk 8 oz - White (IRWIN)
Create sharp, highly visible lines on dark surfaces with this reliable white chalk. Perfect for layout work where contrast is key.
This 8 oz IRWIN white chalk delivers consistent, clean lines and works with most standard chalk line reels. Ideal for roofing, siding, framing, and general construction tasks, it ensures your layout marks stand out even in low-light or high-contrast situations.
Why Contractors Choose It
🔹 High-contrast visibility – White shows up clearly on darker materials like shingles and felt
🔹 Consistent lines – Delivers reliable snaps with minimal dust
🔹 Reel compatible – Fits standard chalk line reels for quick refills
🔹 Convenient size – 8 oz bottle is easy to store and carry on the job
How To Use
1. Open your chalk reel and pour in the white chalk.
2. Shake lightly to evenly coat the line.
3. Pull the line to your layout area and secure the hook.
4. Snap to mark your surface, then rewind for the next line.
Additional Notes
• Ideal for roofing, siding, framing, and general layout work
• 8 oz size is perfect for everyday refills
• White chalk provides maximum contrast on darker materials
⚠️ 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.