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Strait-Line Hi-Visibility Marking Chalk Yellow 8oz - Irwin

Strait-Line Hi-Visibility Marking Chalk Yellow 8oz - Irwin

Irwin

A$7.55

This product is not available for purchase online.

Features

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Overview

Irwin Strait-Line Hi-Visibility Yellow Marking Chalk (8oz / 227g) is a premium, fine-grade chalk powder formulated for superior visibility and weather resistance in chalk line reels. The bright yellow colour creates crisp, highly visible lines on concrete, timber, brick, steel, and roofing materials, making it ideal for accurate layout work on building sites. Packaged in a tough, easy-pour yellow bottle, this refill delivers reliable performance for bricklaying, tiling, framing, roofing, flooring, and general construction tasks where clear, long-lasting marks are essential.

Why You’ll Love It

  • Hi-visibility yellow provides excellent contrast on most surfaces, even in bright sunlight
  • Fine powder flows smoothly into chalk line reels with minimal clogging
  • 8oz (227g) bottle with secure cap for easy, controlled refilling

Built for Real Work

Irwin Strait-Line chalk is engineered for high weatherability and permanence, producing sharp lines that resist blowing away in wind or fading too quickly on the jobsite. The fine texture ensures smooth dispensing from standard chalk line reels, while the rugged bottle protects the powder from moisture. It’s professional-grade gear trusted by Aussie tradies for snapping accurate guide lines on brick courses, floor layouts, roof trusses, formwork, or any task where you need a clear, reliable mark that helps you work faster and more accurately under real site conditions.

Perfect For

  • Bricklayers, carpenters, roofers, tilers, and framers marking straight lines on concrete, timber, or steel
  • Builders and tradies needing high-visibility, long-lasting marks for layout and alignment tasks

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