{"product_id":"irwin-65102-marking-chalk-5-lb-permanent-red","title":"Irwin 65102 Marking Chalk 5 Lb Permanent Red","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe IRWIN 65102 is a permanent red marking chalk formulated for exterior applications where long-term line visibility is required. Supplied in a 5-pound quantity, this chalk is designed to remain legible after extended exposure to weather, making it a reliable choice for outdoor layout and reference lines. It is commonly used by contractors, framers, masons, and other trade professionals who need a durable chalk line material that holds up on job sites where conditions change rapidly. The permanent formulation sets it apart from standard washable chalks when a lasting mark is the priority.\u003c\/p\u003e\n\u003cp\u003eThis chalk is suited for exterior layout work on concrete slabs, roofing, decking, masonry, and rough framing. The red pigment provides strong contrast against light-colored substrates and low-visibility surfaces. It is intended for use with standard chalk line reels and is sold by the unit. Applications where temporary lines are not acceptable — such as reference marks that must survive multiple work sessions or wet conditions — are the primary use case for this product.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003ePermanent exterior-grade formulation resists weathering over extended periods\u003c\/li\u003e\n  \u003cli\u003eRed pigment delivers high contrast on concrete, wood, and masonry surfaces\u003c\/li\u003e\n  \u003cli\u003e5-pound fill quantity reduces refill frequency on large layout jobs\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard chalk line reels\u003c\/li\u003e\n  \u003cli\u003ePackaged as a single unit for straightforward inventory and job site use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard chalk line reels used in construction, framing, roofing, and masonry layout applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eFill the chalk reel to the manufacturer-recommended capacity to avoid overpacking and line drag. When applying permanent chalk, confirm the substrate is the intended final mark location, as removal may require mechanical abrasion. Keep the chalk stored in a sealed container when not in use to prevent moisture absorption and clumping. This product is intended for professional layout use and should be handled in accordance with the manufacturer safety data sheet.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormulation Type\u003c\/strong\u003e: Permanent exterior\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 5 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 5.38 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 024721500212\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: IRWIN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 65102\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IRWIN","offers":[{"title":"Default Title","offer_id":51343729328434,"sku":"65102","price":37.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310499746.jpg?v=1782024100","url":"https:\/\/voomisupply.com\/products\/irwin-65102-marking-chalk-5-lb-permanent-red","provider":"Voomi Supply","version":"1.0","type":"link"}