{"product_id":"hb42-ps1-shellac-based-primer-sealer-white","title":"HB42 PS1 Shellac Based Primer Sealer - White","description":"\u003ch1\u003eOverview\u003c\/h1\u003e \u003cp\u003eHB42 PS1 is a premium white shellac-based primer-sealer, purpose-built for high performance, permanent stain blocking. Its new and improved 2025 formula is whiter and more opaque than ever, delivering a rapid matt finish that covers stubborn stains in a single coat.\u003c\/p\u003e\n\u003cp\u003eSuitable for interior surfaces and spot priming on exteriors, HB42 PS1 is ideal for all interior woodwork, plaster, and hard-to-paint glossy surfaces such as tiles, varnish and gloss paintwork. Its advanced shellac formula offers excellent adhesion even to glass, seals bleeding knots and sap streaks, and provides outstanding enamel holdout on porous surfaces so topcoat paints achieve better, more even coverage.\u003c\/p\u003e\n\u003cp\u003eBeyond stains, HB42 PS1 permanently blocks odours, including smoke, fire damage, pet and nicotine odours. The dried film is non-toxic and hypo-allergenic, making it safe for use in areas where incidental contact with food items may occur.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eOne coat stain blocking - rapid matt finish, no need for multiple coats\u003c\/li\u003e\n\u003cli\u003eImproved 2025 formula - whiter and more opaque than previous versions\u003c\/li\u003e\n\u003cli\u003ePermanent odour blocking - smoke, fire damage, pets and nicotine\u003c\/li\u003e\n\u003cli\u003eExcellent adhesion - bonds to glossy surfaces, tiles, varnish and even glass\u003c\/li\u003e\n\u003cli\u003eSuperior enamel holdout - seals porous surfaces for better topcoat performance\u003c\/li\u003e\n\u003cli\u003eSeals bleeding knots and sap streaks - ideal for raw and problem timber\u003c\/li\u003e\n\u003cli\u003eNon-toxic, hypo-allergenic dried film - suitable near incidental food contact areas\u003c\/li\u003e\n\u003c\/ul\u003e \u003ctable\u003e\n\u003ctd\u003eArea\u003c\/td\u003e\n\u003ctd\u003eInterior \u0026amp; exterior\u003c\/td\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Use\u003c\/td\u003e\n\u003ctd\u003ePlaster, wood, concrete, painted surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003eShellac Based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003e10m2 per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrying Time\u003c\/td\u003e\n\u003ctd\u003eTouch dry: 1 – 2 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe-Coat Time\u003c\/td\u003e\n\u003ctd\u003e2 – 4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Coats\u003c\/td\u003e\n\u003ctd\u003e1-2 coats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Method\u003c\/td\u003e\n\u003ctd\u003eBrush, roller or spray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClean Up\u003c\/td\u003e\n\u003ctd\u003eRemove as much product as possible before cleaning with white spirit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003ePreparation\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure surfaces are clean, dry and free from loose material, dust and grease.\u003c\/li\u003e\n\u003cli\u003eSand glossy or varnished surfaces lightly to key the surface where practical.\u003c\/li\u003e\n\u003cli\u003eSpot treat isolated stains, knots or odour sources directly, or apply as a full coat for general priming.\u003c\/li\u003e\n\u003cli\u003eStir well before use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eApply by brush, roller or spray in a single even coat.\u003c\/li\u003e\n\u003cli\u003eAllow to dry to touch for 1–2 hours before handling.\u003c\/li\u003e\n\u003cli\u003eLeave for 2–4 hours before over-coating with your chosen topcoat.\u003c\/li\u003e\n\u003cli\u003eThin with white spirit only if required for spray application or difficult surfaces.\u003c\/li\u003e\n\u003cli\u003eApply a second coat only if the stain, odour or knotting is particularly severe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTip: For maximum opacity and stain-blocking performance, apply a full, even coat rather than a thin or patchy one - the shellac formula is designed to do the job in a single pass.\u003c\/p\u003e\u003ch2\u003eAftercare \u0026amp; Storage\u003c\/h2\u003e\u003ch3\u003eAftercare \u0026amp; Curing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAllow the recommended dry and over-coating times before applying a topcoat, to ensure full holdout performance.\u003c\/li\u003e\n\u003cli\u003eOnce dry, the sealed surface provides a stable, non-porous base - ideal for consistent topcoat colour and finish.\u003c\/li\u003e\n\u003cli\u003eThe dried film is non-toxic and hypo-allergenic, suitable for areas with incidental food contact.\u003c\/li\u003e\n\u003cli\u003eEnsure good ventilation during application and drying, as with all shellac-based products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClean Up\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClean brushes, rollers and spray equipment with white spirit immediately after use.\u003c\/li\u003e\n\u003cli\u003eWipe away wet spills or splashes promptly with a white spirit-dampened cloth.\u003c\/li\u003e\n\u003cli\u003eOnce dry, the product forms a hard shellac film that will require mechanical removal or a suitable solvent.\u003c\/li\u003e\n\u003cli\u003eDispose of used cleaning materials and empty containers responsibly, in line with local regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage\u003c\/h3\u003e\n\u003cp\u003eStore in a cool, dry place, tightly sealed when not in use, away from direct heat and ignition sources (flash point 42°C). Keep out of reach of children and away from food storage areas.\u003c\/p\u003e","brand":"HB42","offers":[{"title":"1 Litre","offer_id":58424967987584,"sku":"HB42PS11","price":26.92,"currency_code":"GBP","in_stock":false},{"title":"5 Litre","offer_id":58424968020352,"sku":"HB42PS15","price":95.79,"currency_code":"GBP","in_stock":false},{"title":"500ml","offer_id":58424968053120,"sku":"HB42PS1500","price":17.57,"currency_code":"GBP","in_stock":false},{"title":"2.5 Litre","offer_id":58424968085888,"sku":"HBD42PS12.5","price":54.92,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0418\/6229\/9814\/files\/ndp-hb42-ps1-shellac-primer-sealer-stain-blocker-all-sizes.jpg?v=1783702743","url":"https:\/\/nextdaypaint.co.uk\/products\/hb42-ps1-shellac-based-primer-sealer-white","provider":"Next Day Paint","version":"1.0","type":"link"}