{"product_id":"blackline-red-permanent-marking-chalk-select-size","title":"Blackline - Red Permanent Marking Chalk - (Select Size)","description":"\u003cstyle\u003e\n.pb-wrap{--pb-line:#e1e3e5;--pb-head:#f6f6f7;max-width:100%}\n.pb-wrap .pb-intro{margin-bottom:20px}\n.pb-acc{border:1px solid var(--pb-line);border-radius:8px;margin:0 0 8px;overflow:hidden}\n.pb-acc\u003esummary{cursor:pointer;padding:14px 16px;font-weight:600;line-height:1.35;\n list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.pb-acc\u003esummary::-webkit-details-marker{display:none}\n.pb-acc\u003esummary::marker{content:\"\"}\n.pb-acc\u003esummary::after{content:\"+\";font-size:22px;font-weight:400;line-height:1;flex:0 0 auto}\n.pb-acc[open]\u003esummary::after{content:\"\\2212\"}\n.pb-acc[open]\u003esummary{border-bottom:1px solid var(--pb-line);background:var(--pb-head)}\n.pb-acc\u003esummary:hover{background:var(--pb-head)}\n.pb-acc .pb-body{padding:16px}\n.pb-acc .pb-body\u003e:first-child{margin-top:0}\n.pb-acc .pb-body\u003e:last-child{margin-bottom:0}\n.pb-q{border:0;border-bottom:1px solid var(--pb-line);border-radius:0;margin:0}\n.pb-q:last-child{border-bottom:0}\n.pb-q\u003esummary{padding:12px 0;font-weight:600}\n.pb-q[open]\u003esummary{background:transparent;border-bottom:0}\n.pb-q\u003esummary:hover{background:transparent;text-decoration:underline}\n.pb-q .pb-body{padding:0 0 12px}\n.pb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:380px}\n.pb-table th,.pb-table td{border:1px solid var(--pb-line);padding:8px 10px;\n text-align:left;vertical-align:top}\n.pb-table thead th{background:var(--pb-head)}\n.pb-table caption{caption-side:top;text-align:left;font-weight:600;padding:0 0 8px}\n.pb-note{font-size:13px;opacity:.75;margin-top:16px}\n.pb-wrap a{color:#3b82f6}\n.pb-wrap a:hover{color:#2563eb}\n\u003c\/style\u003e\n\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003eBlackline - Red Permanent Marking Chalk - (Select Size)\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eBlackline's permanent red chalk uses the same wind- and water-resistant formula as the brand's black chalk, with red pigment for higher visibility on dark surfaces, concrete and low-light job sites.\u003c\/p\u003e\n\u003cp\u003eStocked in the 8 oz. refill bottle (BL816R) and the 5 lb. bulk bag (BL54R) for high-volume crews.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pb-acc\"\u003e\n\u003csummary\u003eFeatures and Common Uses\u003c\/summary\u003e\n\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003ePermanent formula infuses into wood and concrete for a line that resists wind, water and foot traffic\u003c\/li\u003e\n\u003cli\u003eRed pigment for high visibility on dark surfaces and in low light\u003c\/li\u003e\n\u003cli\u003eWashes off hands and clothing with mild soap and water despite the permanent line\u003c\/li\u003e\n\u003cli\u003eAvailable in an 8 oz. refill bottle or a 5 lb. bulk bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSnapping high-visibility layout lines on dark or weathered lumber\u003c\/li\u003e\n\u003cli\u003eConcrete and masonry layout lines exposed to weather\u003c\/li\u003e\n\u003cli\u003eHigh-volume framing crews needing a bulk refill\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pb-acc\"\u003e\n\u003csummary\u003eSpecifications\u003c\/summary\u003e\n\u003cdiv class=\"pb-body\"\u003e\n\u003cdiv class=\"pb-scroll\"\u003e\n\u003ctable class=\"pb-table\"\u003e\n\u003ccaption\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eBlackline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColour\u003c\/th\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFormula\u003c\/th\u003e\n\u003ctd\u003ePermanent, waterproof, windproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e8 oz. Size (BL816R)\u003c\/th\u003e\n\u003ctd\u003eRefill bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e5 lb. Size (BL54R)\u003c\/th\u003e\n\u003ctd\u003eBulk bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCleanup\u003c\/th\u003e\n\u003ctd\u003eWashes off hands\/clothing with mild soap and water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eFormula claims (waterproof, windproof, permanent-on-porous-surfaces) and the 8 oz. bottle size are as published on Blackline Manufacturing's own site for its Redline chalk. The 5 lb. bulk size (BL54R) is confirmed via chalk distributors rather than Blackline's current site, which currently lists its bulk size as 4 lb. (BL46R) - treat the 5 lb. bag's exact net weight as distributor-reported, not manufacturer-confirmed. Source: \u003ca href=\"https:\/\/www.blacklinechalk.com\/home-1\" rel=\"noopener\" target=\"_blank\"\u003eBlackline Manufacturing - Official Site\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pb-acc\"\u003e\n\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\n\u003cdiv class=\"pb-body\"\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\n\u003csummary\u003eWhy choose red over black?\u003c\/summary\u003e\n\u003cdiv class=\"pb-body\"\u003e\n\u003cp\u003eRed shows up better on dark surfaces, concrete, and in low light - black is the more common choice on light-coloured lumber and drywall.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\n\u003csummary\u003eWhich size do I need?\u003c\/summary\u003e\n\u003cdiv class=\"pb-body\"\u003e\n\u003cp\u003eThe 8 oz. bottle (BL816R) tops up a standard chalk line box. The 5 lb. bag (BL54R) is the bulk option for a crew going through chalk regularly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\n\u003csummary\u003eIs it really permanent?\u003c\/summary\u003e\n\u003cdiv class=\"pb-body\"\u003e\n\u003cp\u003eYes on porous surfaces like wood and concrete - the formula infuses into the surface rather than sitting on top. It still washes off hands and clothing with soap and water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blackline","offers":[{"title":"8 oz","offer_id":55232533954879,"sku":"BL816R","price":10.99,"currency_code":"CAD","in_stock":true},{"title":"5 lb","offer_id":55232533987647,"sku":"BL54R","price":44.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4901\/7919\/files\/Red_Black.png?v=1787929888","url":"https:\/\/griffbuildingsupplies.com\/products\/blackline-red-permanent-marking-chalk-select-size","provider":"Griff Building Supplies","version":"1.0","type":"link"}