For example, you can spray epoxy primer onto a surface that’s been sanded down to bare metal, repaired with body filler, and then feathered into the original paint. Sealer adds to the cost of the paint materials, but the troubles it prevents makes it well worth it. DI12860. Read next: How to prepare your … People toss around terms like primer, sealer, two-part paint, tri-coat, lacquer, single-stage, and it can get confusing. Years ago, I never used sealer. Automotive Primers. A white sealer under a light basecoat, helps the topcoat to have better coverage. The best primer for those with oily or blemish-prone skin, The Ordinary’s affordable formula is non-greasy, free from oil and delivers a smooth finish to skin, blurring out pores and fine lines. This is just an example, as all products will be different. If you’re doing a one-color paint job, sure the paint will look great — at first. Automotive Filler Primer Krylon ® Automotive Filler Primer is a high-build automotive primer that fills in deep scratches and surface imperfections. VOC information for PPG products can be found on the product bulletin. A paintjob is only as good as its foundation. $23.99. How long can the product sit until it needs to be sanded before painting over it? For larger repairs, you’ll need a primer that’s catalyzed. For use on metal, wood and fibreglass surfaces. Rust-Oleum Filler Primer is a hi-build formula that fills in minor imperfections in the surface and improves topcoat adhesion and appearance. SPOT PUTTY TIN 375G . The tech sheet will tell you the recoat windows for the product. VOC is found in nearly all refinish products. This timeline is based on a 70-degree shop. There are some sealers than can be custom tinted to better match the topcoat color. And that’s not far from the truth. Once you’re finished sanding the polyester primer, use a urethane primer or a sealer over it. Mixing Paint (Primer) Rust-Oleum has prepared this primer formula so that it can be thinned down and sprayed using an automotive type paint sprayer. The best primers for metal models include the Tamiya Surface Primer and Testors Enamel Primer. They are both great quality primers, sand beautifully, and are very easy to use. However, when formulated for best corrosion resistance epoxies typically do not sand well when compared to urethane primer surfacers. I spray one wet coat, wait about 30 minutes, then continue with the basecoats. $14.99. Poly primer is great for using over bare fiberglass and epoxy. U-POL 0741V Acid#8 Etch Primer Gray Aerosol, 13 Fl Oz. Add To Cart . A tech or P sheet explains everything you need to know about the product. That information — plus recommended air pressures and wait times — can be found in the product sheets. VHT SP998 FlameProof Coating Cast Iron Paint Can - 11 oz. Here’s part of my library of tech sheets. The paint is sprayed onto a sanded surface, and the sanded surface provides “teeth” to help the paint stick. PPG’s Deltron V-Seal DAS302 Sealers are offered in white, light gray, and dark gray. Rust-Oleum 260510 Automotive 2-in-1 Filler & Sandable Primer, 12 Oz, Gray By Rust-Oleum product price $5.27. Do not use a hardener meant for one product with a different product. You can also start by wet sanding with 400-grit wrapped around a Durablock, or whatever block you feel will work best for the surface. 4.7 out of 5 stars 2,017. These three coats are one round. If you go past the recommended time for recoat, take the time to sand or scuff that surface! © 2017 Power Automedia. Aerosol - Quantity 6, SEM 39674 VOC Black Self Etching Primer - 1 Quart. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. SEM Solution: High Build Primer Surfacer. VOC is one of those terms that gets tossed around and folks don’t know exactly what it means. Think of sealer as an insurance policy. (2/Pack) | Spray Paint | Automotive Primer | 2-Pack, Eastwood Catalyzed Technology 2K AeroSpray Epoxy Durable Primer Gray 12 Oz, 3M 03584 Professional Grade Rubberized Undercoating, Corrosion, Water and Salt Spray Resistant, 16 oz, 1 aerosol, SpeedoKote SMR-210/211 - Automotive High Build 2K Urethane Primer Gray Gallon Kit, Fast Dry, Easy Sanding, Activator is included. There are two paint “windows” that affect the outcome: The recoat window between coats of paint, and the recoat window before painting another round. A quality urethane primer-surfacer will do a good job of leveling out the transition from plastic filler to metal, as well as filling the sanding marks in the filler. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Rust-Oleum Automotive 11 oz. Mix the paint with acetone using a ratio of 1 part acetone to 5 parts paint. ColorBond (215) Adhesion Promoter Primer - 12 oz. On Sale Now. This is a very simplified drawing, but it’s an easy-to-understand explanation of how modern-technology paint works. Add To Cart . We decided to give you some insight on where and when epoxy primer works best. The basecoat dries for one hour (recoat window), and two coats of urethane clearcoat is sprayed. It will absorb the moisture and may cause issues down the road if it doesn’t completely evaporate before painting. This gives your urethane primer a uniformed area to be applied to. Let’s start by dispelling one of the most common misconceptions. Think of epoxy primer as the foundation for your paint. If sealer was not used, they might show up through the topcoat. K201 catalyst can be used with either one. Chevy Hardcore NEWSLETTER - SIGN UP FREE! Looking for RUST-OLEUM Automotive Filler Primer, Gray, 11 oz. K38 is a high-build primer. Yet, when applying over body filler, the wait times are very different — one hour wait time for one coat. If you get a grainy surface with the sealer, that surface will show up in your basecoats. Can be used on metal, wood and fiberglass surfaces. (4YLC6)? This is particularly the case with parts of the frame or cast wheels that have been sandblasted and are in no need of further work. We will safeguard your e-mail and only send content you request. About 2 in 1 Filler and Sandable Primer Rust-Oleum® 2 in 1 Primer provides a tough, rust inhibitive base for most brands of Automotive lacquers and enamels. Now, I don’t even consider painting without first spraying sealer. #2. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Many clients ask their painters to use lacquer. Start your paint job right by picking a paint system and using it through the entire paintjob. These primers create a harder, more chemically resistant coating. Take Interlux Interprotect 2000E epoxy primer as an example – not only does this primer offers excellent protection against water absorption, it also helps repair gelcoat damaged by osmotic blistering. Remember, film thickness can also affect the recoat window. Buy car body fillers and paint preparation products at Halfords. This information is found on the products tech sheet. An etching primer will eat into the filler and into the metal. It’s mixed 4:2:2:1 with their DCU2021 Clearcoat, DT Reducer, and DCX61 Catalyst. What is candy color and why does it need a base? The best product of it's type in a spray can Dupli-Color EBPR00310 Gray Perfect Match Scratch Filler Primer - 8 oz. On the other end, pay close attention to the time the product must dry before applying paint over it. Dupli-Color CP199 Clear Adhesion Promoter Primer - 11 oz. These are higher quality than aerosols and are built for longevity, better gloss, and stronger color holdout. Missing that window is one of the biggest mistakes painters make. Do not apply to surfaces that exceed 200 degrees Fahrenheit. An example of the application order on bare metal is: 1) bodywork including filler/bondo 2) paint prep solvent 3) self-etch primer 4) high-build primer 5) basecoat 6) clearcoat. Filler Primer features an advanced spray system that allows you to spray at any angle, even upside down for those hard to reach areas. 1. This fast drying, strong-bond product allows for easy feather edging while providing a smooth and rust-resistant surface. Here’s what will happen if you cheat by just a small amount of time. If preparing the surface for sealer and topcoat application, use 320-grit when block-sanding urethane primer-surfacer. If spraying two coats, the product must dry overnight before applying over body filler. Types of Epoxy Primers. Sealers also help the basecoat to flow. Some sealers come in a range of colors, so check your paint brand for its sealer choices. That’s what I did on the job here. Then, wet-sand the surface with 400-grit. Self-etching primers have t… It’s never worth it to use questionable hardener! While polyester primers are great for filling, they can be porous. DI06639. The term pot-life applies to 2K (two-part) products. Fills in imperfections. A roll-on primer is the common type, use a roller or brush with these. Later in our Painting 101 Series, we’ll cover understanding and using waterborne and water-based paints. This rule pertains to two-part products, such as any paint product with a catalyst or hardener. Follow the recoat rules on the tech sheet. Great for after media blasting or paint stripping. Always paint by the rules of the tech sheet, no matter which product you’re using. Polyester primer is a very thick two-part product and is used when there’s a good deal of bodywork. Avoiding Delamination and Adhesion Problems. Over Bare, Clean Metal – Epoxy primers are amazing at sealing up bare metal and from allowing moisture or corrosion to creep in. Self Etching Primer: Traditional DTM primer where acid in the primer provides the extra bite to give you a solid layer to build on.. Urethane Primer: A sandable primer which allows for leveling out imperfections typically … Get the panels straight with the poly primer, paint one round of urethane primer, sand it, and you’ll be ready to go into sealer and color! Read through the sheet and follow what it says. Add To Cart . An Easy Way To Avoid Many Painting Problems. Whatever you do, never confuse high build primer with body fillers. Wait times can be critical with sealer. Most catalyzed primers start to harden in about an hour. Using this product can save hours of time. This is called the “window.” All of this information can be found in the product’s tech sheet. This is where you can get a primer mixed with paint and is a convenient way of getting a job done. Urethane primers come in a standard and high-build variety. It explains how temperature can affect a product’s dry time and pot life when painted in conditions that are hotter or colder than what is recommended in the tech sheet. Price $6.77. ; Glazing Putty: Use glazing putty to fill pinholes and other … Primer Cheat Sheet. This will apply with primer over fillers and metals, especially if in the same area. It’s a high-solids product and has minimal shrinkage. Hi-build formula. SEM 39133 Flexible Primer Surfacer - 13 oz. Make sure to remove and treat any corrosion before applying primer. Ever see a classic car with a paint surface covered in tiny cracks? This graphic gives a basic look at each type of product in a refinish system and shows that each one contains VOCs. The Rust Oleum Filler & Sandable Primer is a staple product in all kinds of fields and industries that involve DIY, especially 3D printing. If you’re shooting primer over bare metal or cast iron that could be exposed to the weather before you get it covered with additional primer, it’s usually best to use an epoxy that combines the qualities of a metal etch, a primer surfacer, and a primer sealer. But, don’t try to use primer-surfacer where plastic filler or polyester primer can be used. Poly primer is great for using over bare fiberglass and epoxy. Understand that epoxy primer will not stop or neutralize any rust that has started or is already present. Sealers help the paint to stick, and can reduce the chance of having the topcoat paint run. Oil-based formula can be cleaned up easily using mineral spirits; Use on interior, exterior and automotive use to help with surface imperfections Updated hourly. DI06748. K36 is a standard-build urethane primer. They think they will get a better paint job by using lacquer. Aerosol, (Case of 6). The best way to get that pearl color to glow. DI12859. Rust-Oleum Automotive Filler Primer is a high build formula that fills in surface imperfections. Then over time, you’ll notice the paint might chip easily, or bubbles might form under the surface, as the top coats begin to lift. Do not apply to surfaces that exceed 200°F. Dupli-Color CP199 Clear Adhesion Promoter Primer - 11 oz. The tech sheet for the sealer says it needs to dry for 30 minutes (another recoat window), and then one round of three coats of basecoat-color can be sprayed. Standard conditions are temperature, humidity, and air flow under which an automotive paint product’s dry time, cure time, pot life, and all general performance characteristics are determined. Some states like California, have enacted VOC regulations that are stricter than the national rule. The thicker or heavier the coat, the longer it takes for the solvents to gas out. Too short a wait time, and solvents might be trapped. If the repair is larger, or you’re looking for a longer-lasting job, apply a base coat of epoxy primer before laying on the filler. So, what is a “round” and how is it different from a “coat” of paint? Unless you’re painting a 100-point concours restoration, you shouldn’t be using lacquer. Follow the instructions for mixing and flash times (dry times in between coats). Epoxy Primer + 2 Qt. Keep to the recommended number of coats. Kitty Hair is another good stuff. Modern paint is easier to use, looks better, and is much more durable that any lacquer paintjob. Looking for RUST-OLEUM Automotive Filler Primer, Red, 11 oz. They carve more effectively, scraping away the high spots. Since the etching primer will bond with the filler and metal, the urethane primer will bond into the etching primer. What happens when you try to paint in colder or warmer temperatures than recommended in the tech sheet? For example, let’s say sealer has been sprayed and basecoat will be applied next. Polyester primer is a very thick two-part product and is used when there’s a good deal of bodywork. 5. To my knowledge, I don’t know if there is an airbrush ready enamel … JoAnn Bortles is an award winning custom automotive painter, airbrush artist, certified welder/fabricator, author, and photo journalist with over 30 years of experience in the automotive industry. 4.7 | 1,909 customer ratings 92% of the ratings are 4-stars or 5-stars Great for priming 3D prints! Primer surfacers shrink when flash times (usually 5 to 10 mins) are ignored. The courser grits work better for getting the surface flat. Premium Polyester : Univeral filler that can be used DTM (Direct To Metal) or over epoxy primer. SEM Solution: World Class™ HS Urethane Primer. Grey. Urethane primers also have great filling qualities. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Sealer fills those light sand scratches and can diminish very slight imperfections. Grainger's got your back. Top subscription boxes – right to your door, © 1996-2020, Amazon.com, Inc. or its affiliates. Advantage, Speedocote, PPG. This is where the 15-degree rule comes in. Then do most of the sanding with 180-grit, and finish with 220. What grit of paper do you need to use? Always check the product sheet to know what works best for the poly primer you’re using. Each product is different, so make sure to read through the product sheet before priming. 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