{"product_id":"general-finishes-water-based-exterior-450-topcoats-5-gallon","title":"General Finishes Water-Based Exterior 450 Topcoats - 5 Gallon","description":"\u003cp\u003eExterior 450 Topcoat is a clear-drying, low VOC finish suitable for vertical exterior surfaces, such as fences, patio furniture, garage doors, and entrance doors. It is fortified with UV absorbers to stabilize and protect the integrity of the finish. Built-in mildewcides slow mold and mildew growth. It performs well as a clear coat or as an optional topcoat over darker color General Finishes Milk Paint. Do not use over light or white paints as yellowing may occur.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Exterior 450 Topcoat is not intended for decks. It can be used on tabletops that do not receive direct exposure to sun and rain. As with all fine furniture finishes, wipe up spills in a timely manner to protect the finish. Do not use Exterior 450\u003cem\u003e \u003c\/em\u003eor any other clear coat over white or light paints such as \u003cem\u003eGF Milk Paint,\u003c\/em\u003e or \u003cem\u003eGF White Poly,\u003c\/em\u003e as it may cause yellowing.\u003c\/p\u003e\n\u003cp\u003eAlso available in \u003ca rel=\"noopener\" title=\"General Finishes Water-Based Exterior 450 Topcoats - Gallon product page\" href=\"https:\/\/www.oaktreesupply.com\/products\/general-finishes-water-based-exterior-450-topcoats-gallon\" target=\"_blank\"\u003egallons\u003c\/a\u003e and \u003ca href=\"https:\/\/www.oaktreesupply.com\/products\/general-finishes-exterior-450-topcoat\" target=\"_blank\" title=\"General Finishes Water-Based Exterior 450 Topcoats - Quart product page\" rel=\"noopener\"\u003equarts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDon't forget your \u003ca title=\"All Finishing Applicators\" href=\"https:\/\/www.oaktreesupply.com\/collections\/finishing-applicators-menu\" target=\"_blank\"\u003ebrushes\u003c\/a\u003e and \u003ca href=\"https:\/\/www.oaktreesupply.com\/collections\/sanding-abrasives-menu\" title=\"All Sanding \u0026amp;ampAbrasives\" target=\"_blank\"\u003esandpaper\u003c\/a\u003e!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Notice:\u003c\/strong\u003e During periods of extreme cold, OakTree may temporarily hold water-based products to prevent them from freezing during transit. As a result, shipping times may vary based on local and national weather conditions.\u003c\/p\u003e\n\u003cp\u003e[TABS]\u003c\/p\u003e\n\u003ch5\u003eSpecs\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Colors:\u003c\/strong\u003e Water White in can (dries clear)\u003cbr\u003e\u003cstrong\u003eBase Type:\u003c\/strong\u003e Water\u003cbr\u003e\u003cstrong\u003eAmbering:\u003c\/strong\u003e No\u003cbr\u003e\u003cstrong\u003eSheen:\u003c\/strong\u003e Flat (10 or less), Satin (25-35), Semi-Gloss (50-60), Gloss (80+)\u003cbr\u003e\u003cstrong\u003eInterior or Exterior:\u003c\/strong\u003e Exterior\u003cbr\u003e\u003cstrong\u003eTintable:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Urethane\/Acrylic Blend\u003cbr\u003e\u003cstrong\u003eCoats:\u003c\/strong\u003e 2 - 3 coats\u003cbr\u003e\u003cstrong\u003eApplication Method:\u003c\/strong\u003e Brush, Roll, Spray\u003cbr\u003e\u003cstrong\u003eUsable over existing finishes:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eSpray Tip Sizes:\u003c\/strong\u003e HVLP 1.1mm-1.3mm\u003cbr\u003e\u003cstrong\u003eDry Time - Touch:\u003c\/strong\u003e 30+ min.\u003cbr\u003e\u003cstrong\u003eDry Time - Recoat:\u003c\/strong\u003e 2+ hrs.\u003cbr\u003e\u003cstrong\u003eDry Time - Light Use:\u003c\/strong\u003e 7-10 days\u003cbr\u003e\u003cstrong\u003eDry Time - Cure:\u003c\/strong\u003e 21 days\u003cbr\u003e\u003cstrong\u003eCoverage:\u003c\/strong\u003e 560-640 sq. ft. per gallon\u003cbr\u003e\u003cstrong\u003eViscosity:\u003c\/strong\u003e Medium\u003cbr\u003e\u003cstrong\u003eDurability (Highest, High, Medium, Low):\u003c\/strong\u003e High\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003ePreparation\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eRaw wood\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e120-grit sandpaper followed by 150-grit or 220-grit sandpaper. Do not over-sand with fine-grit sandpapersthis will close and seal the wood grain, preventing ideal color absorption. Also, do NOT use steel wool on water-based based finishesthe particles will get trapped in the finish and rust.\u003c\/li\u003e\n\u003cli\u003eRemove dust with a vacuum, compressed air, an oil-free tack cloth or a water-dampened rag.\u003c\/li\u003e\n\u003cli\u003eLet dry completely before applying General Finishes Exterior 450.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eSealed surface\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eScuff clean with a non-woven abrasive pad \u0026amp;amp50:50 mix of denatured alcohol and water.\u003c\/li\u003e\n\u003cli\u003eDry 1-2 hours.\u003c\/li\u003e\n\u003cli\u003eSand lightly with 220-320 grit sanding sponge.\u003c\/li\u003e\n\u003cli\u003eRemove dust.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eNewly stained surface\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDo not sand.\u003c\/li\u003e\n\u003cli\u003eApply directly to stained surface.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch5\u003eDirections\u003c\/h5\u003e\n\u003col\u003e\n\u003cli\u003eStir topcoat to reincorporate solids that have settled to the bottom of the can before and throughout the application process. Do not shake.\u003c\/li\u003e\n\u003cli\u003eTest for adhesion when applying over an existing finish.\u003c\/li\u003e\n\u003cli\u003eThin as desired with distilled waterstart with 5%, adding up to 10% by volume.\u003c\/li\u003e\n\u003cli\u003eIncrease open time, if needed, with 10-15% General Finishes Extender if allowed by local regulations. GF Extender will improve flow and leveling and increase open time, which is helpful in dry climates. \u003cstrong\u003eCalifornia Residents:\u003c\/strong\u003e Adding more than 2% of GF Extender will make the products non-compliant per SCAQMD Regulations.\u003c\/li\u003e\n\u003cli\u003eApply 2-3 coats of Exterior 450. No more than three coats is recommended. More coats will not improve durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand application:\u003c\/strong\u003e Apply a liberal amount of product using a synthetic bristle brush, foam brush, pad applicator or roller. Avoid pressure and excessive back-brushing. Brush along the wood grain using smooth, even strokes with light lap marks. Let lap marks drythey WILL tighten down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpray application:\u003c\/strong\u003e Before spraying, strain topcoat through a fine-mesh filter. Spray wet films at 3-5-mil thickness. HVLP: 1.1mm-1.3mm spray tip, medium air cap. Verify tip sizes with your equipment supplier. Keep your gun at a 90° angle, 6-8\" from the surface. On large, flat areas, use wet, even patterns 6-8\" wide. For narrow surfaces, reduce the fan pattern to 2-3\" wide to reduce overspray. Overlap each pass 25% to conceal lines. Wear a full filter respirator (NIOSH\/MSHA approved) and work in a ventilated space.\u003c\/li\u003e\n\u003cli\u003eFinish sand between coats with a 220-320 sanding sponge to improve smoothness and adhesion. Do not use steel wool.\u003c\/li\u003e\n\u003cli\u003eRemove dust with a vacuum, compressed air, an oil-free tack cloth or a water-dampened rag.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e[\/TABS]\u003c\/p\u003e","brand":"General Finishes","offers":[{"title":"Flat","offer_id":48565841461465,"sku":"B093-5 Gallon Pail P","price":380.0,"currency_code":"USD","in_stock":true},{"title":"Satin","offer_id":48565841494233,"sku":"B099-5 Gallon Pail P","price":380.0,"currency_code":"USD","in_stock":true},{"title":"Semi-Gloss","offer_id":48565841527001,"sku":"B681-5 Gallon Pail P","price":380.0,"currency_code":"USD","in_stock":true},{"title":"Gloss","offer_id":48565841559769,"sku":"B682-5 Gallon Pail P","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/2751\/files\/exterior_450_5GAL_-_flat.jpg?v=1777042312","url":"https:\/\/www.oaktreesupply.com\/products\/general-finishes-water-based-exterior-450-topcoats-5-gallon","provider":"OakTree Supply","version":"1.0","type":"link"}