{"product_id":"stopgap-p121-primer-5l","title":"Stopgap P121 Primer - 5L","description":"\u003cdiv class=\"wwfs-product-description\"\u003e\n\n\u003cdiv class=\"wwfs-product-intro\"\u003e\n\n\u003cp\u003eF. Ball Stopgap P121 is a high-performance acrylic primer developed to prepare calcium sulphate (anhydrite) screeds before the application of Stopgap smoothing compounds and compatible flooring adhesives. It improves adhesion, controls substrate absorbency and helps prevent unacceptably rapid drying of smoothing compounds and adhesives.\u003c\/p\u003e\n\n\u003cp\u003eIts distinctive blue colour provides excellent visual coverage during application, helping to ensure the entire floor has been primed evenly. Stopgap P121 is non-flammable, easy to apply and suitable for use over normal underfloor heating systems.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy Choose F. Ball Stopgap P121?\u003c\/h2\u003e\n\n\u003cdiv class=\"wwfs-benefit-list\"\u003e\n\n\u003cul\u003e\n\u003cli\u003eSpecifically developed for calcium sulphate and anhydrite screeds.\u003c\/li\u003e\n\u003cli\u003ePromotes excellent adhesion of smoothing compounds and adhesives.\u003c\/li\u003e\n\u003cli\u003eControls substrate absorbency.\u003c\/li\u003e\n\u003cli\u003eHelps prevent rapid drying of adhesives and smoothing compounds.\u003c\/li\u003e\n\u003cli\u003eBlue colour provides visual control during application.\u003c\/li\u003e\n\u003cli\u003eEasy to apply by roller or brush.\u003c\/li\u003e\n\u003cli\u003eNon-flammable formulation.\u003c\/li\u003e\n\u003cli\u003eSuitable over normal underfloor heating installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eCalcium sulphate screeds.\u003c\/li\u003e\n\u003cli\u003eAnhydrite screeds.\u003c\/li\u003e\n\u003cli\u003ePreparing subfloors before Stopgap smoothing compounds.\u003c\/li\u003e\n\u003cli\u003eReducing substrate absorbency.\u003c\/li\u003e\n\u003cli\u003eDomestic flooring projects.\u003c\/li\u003e\n\u003cli\u003eCommercial flooring installations.\u003c\/li\u003e\n\u003cli\u003eUnderfloor heating systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"wwfs-advice-box\"\u003e\n\n\u003ch3\u003eProfessional Advice\u003c\/h3\u003e\n\n\u003cp\u003eCalcium sulphate screeds require the correct preparation before levelling compounds or adhesives are applied. Stopgap P121 is specifically formulated for these substrates and helps provide a consistent, well-bonded surface for the next stage of your flooring installation.\u003c\/p\u003e\n\n\u003cp\u003eOnce primed, choose the appropriate Stopgap levelling compound depending on your project requirements, substrate type and installation times.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable class=\"wwfs-table\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eAcrylic Primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003e5 Litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eColour\u003c\/th\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eApplication Method\u003c\/th\u003e\n\u003ctd\u003eBrush or roller\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eCoverage\u003c\/th\u003e\n\u003ctd\u003eApproximately 40m²–60m² per 5L depending on substrate porosity*\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eDrying Time\u003c\/th\u003e\n\u003ctd\u003eApproximately 1 hour under normal conditions*\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eSuitable Subfloors\u003c\/th\u003e\n\u003ctd\u003eCalcium sulphate (anhydrite) screeds.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eUnderfloor Heating\u003c\/th\u003e\n\u003ctd\u003eSuitable for normal underfloor heating installations.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eFlammability\u003c\/th\u003e\n\u003ctd\u003eNon-flammable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003ch2\u003ePrepare Your Subfloor Like a Professional\u003c\/h2\u003e\n\n\u003cp\u003eCorrect preparation is essential for a smooth, durable and long-lasting flooring installation.\u003c\/p\u003e\n\n\u003ch3\u003e1. Check for Moisture\u003c\/h3\u003e\n\n\u003cp\u003eEnsure the screed has reached the manufacturer's recommended moisture content before priming or installing floor coverings.\u003c\/p\u003e\n\n\u003ch3\u003e2. Prime the Surface\u003c\/h3\u003e\n\n\u003cp\u003eApply Stopgap P121 evenly across the prepared calcium sulphate screed. The blue colour helps ensure complete and consistent coverage.\u003c\/p\u003e\n\n\u003ch3\u003e3. Repair Any Imperfections\u003c\/h3\u003e\n\n\u003cp\u003eUse Stopgap Micro Rapid for minor repairs and feather edging, or Stopgap 400 Repair for larger repairs before levelling.\u003c\/p\u003e\n\n\u003ch3\u003e4. Choose the Right Levelling Compound\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eStopgap Fast-Track 30\u003c\/strong\u003e – Ideal when speed is the priority.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eStopgap 700 Superflex\u003c\/strong\u003e – Flexible formulation for timber and plywood.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eStopgap 1200 Pro\u003c\/strong\u003e – Excellent for refurbishment projects over suitable adhesive residues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eStopgap 300 HD\u003c\/strong\u003e – Heavy-duty smoothing compound for demanding environments.\u003c\/p\u003e\n\n\u003cdiv class=\"wwfs-advice-box\"\u003e\n\n\u003ch3\u003eNeed Help Choosing?\u003c\/h3\u003e\n\n\u003cp\u003eNot sure which primer your subfloor requires? Contact our flooring specialists with details of your substrate and we'll help you choose the correct preparation system.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wwfs-important-box\"\u003e\n\n\u003ch3\u003eImportant Information\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eFor internal use only.\u003c\/li\u003e\n\u003cli\u003eApply only to clean, sound and correctly prepared subfloors.\u003c\/li\u003e\n\u003cli\u003eAllow the primer to dry before applying smoothing compounds or adhesives.\u003c\/li\u003e\n\u003cli\u003eAlways follow the latest F. Ball Technical Data Sheet.\u003c\/li\u003e\n\u003cli\u003eCoverage varies depending on substrate porosity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"wwfs-small-print\"\u003e\n\n\u003cp\u003e*Coverage and drying times are based on normal site conditions. Highly porous substrates, lower temperatures or increased humidity may affect performance.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"F Ball","offers":[{"title":"Default Title","offer_id":44662484107367,"sku":"knu1789816507527","price":36.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/9109\/5911\/files\/stopgap-p121-primer---5l_1.webp?v=1789816511","url":"https:\/\/yearroundseamwear.shop\/products\/stopgap-p121-primer-5l","provider":"My Store","version":"1.0","type":"link"}