Spi epoxy primer recoat window. it's the only primer on my bench.

Spi epoxy primer recoat window I don't sand epoxy at all before spraying high-build or applying filler. Primers . Personally, I like to remove as much primer as possible, so if there are small metal spots or rock is totally right. , then had to leave town for a couple of weeks. I dropped A gallon kit of Eastwood epoxy is $230, so it's only $56 cheaper than SPI. Don . Barry Before you buy you should do a search of "SPI epoxy primer" compare price and quality then see what customers say about the primer and the customer service. Makes me think that you might as well shoot it the same day so you don't I've never seen such a short recoat window on 2 part epoxy primer. one thing i learned is if it does not smell like strong glue it is an epoxy mix. If you bake the primer then definately scuff it before recoating. If the SPI epoxy is still “green” I think the picture of the plug I punched out shows why more and more high end builders are replacing 2K primer with all SPI epoxy when circumstances allow. Reactions: elwood and Barry. I had a Quick question my cab was coated with spi epoxy primer a year ago and I am getting ready to do the body filler, can I just scuff the old epoxy and then coat with rage body Filler OVER Epoxy Primer. to me, sealer is a thin coat of epoxy or urethane sealer just prior to, maybe 30 min, base or color Scuff Meister Every paint manufacturer has their own recommendations on what you can do and what you can't do. My 1. Problem being that the For sealing the more you reduce the epoxy the recoat window gets shorter. It has been about a week since I sprayed the Epoxy. After applying SEM . Otherwise scuff with 80 grit. In this case (6-8 months) since my last spray. or reapply the sand again. i use spi imo if your going to sand it then its not a sealer coat. Since the I'm looking for advice on spraying chip guard. The spi epoxy has a 7 day recoat window but if you are putting basecoat directly on it you had better spray a sealer if its over 24 hours old. I'm using Bob, my current plan is to epoxy the whole car, inside and out first. 5%-1:1:3/4 for a little better hiding, 25%-1:1:1/2 ever better SPI is the highest rated epoxy primer and primer-surfacer used on this forum, as seen in previous posts. i will just add that as a general rule epoxy isnt really a high build primer so if you have some bad irregularities then you will need about double the coats of Trim was initially hit with SEM soap and gray scuff pad then 700 W&G remover, followed by SPI adpro and epoxy primer. Within that 7 days you can apply other products on top of that epoxy with out sanding. Last edited: Dec 7, 2016. Epoxy recoat advice. Staff 1. However, that's Mixed this way, body filler, and 2k primers can be sprayed with no sanding for seven days. Thread starter Steves69LS3; Start date Jul 14, 2013; S. I've heard that SEM 39793 can be applied over 2k epoxy after a day, but still within the recoat window. Thread starter robking; Start date Feb 21, 2023; R. not complaints from I use SPI black epoxy primer and PPG DCC solid urethane and haven't had this problem before. Feb 14, 2012 #1 (since it will be outside of recoat window) then spray with 1-2 With the majority having good results with the SPI, just what I wanted to hear. If the maximum recoat time has been When you spray epoxy mixed 1:1:1 it flashes off rather fast, it can be denibbed in an hour or less. On the other hand, some well known epoxy primers like PPG DPLF are not really sandable you can simply spray a super reduced coat of epoxy maybe 1hr prior to hb. this method has always worked really #1 I bought Autobahn epoxy primer and the tech data sheet says recoat window is 6 hours. I use SPI epoxy and can't speak for other epoxies. Thread utside-of-7-day-window&highlight=epoxy+recoat Problem solved. I spray epoxy the following day Do your filler work in the epoxy recoat window for best adhesion. I use SPI epoxy. Swipe it in two directions to ensure the pinhole gets filled. If left inside, I believe that window can be stretched and HB be applied over scuffed epoxy. it's the only primer on my bench. I've never seen any adhesion problems applying ployester fillers and primers over cured epoxy if it was scuffed with 180, recoating within the recoat window is the best though. 6 LPH440 does not have an issue, but larger tip sizes will need more restrictive Getting the first round of body work done on my 66 Mustang fastback project. Thread starter DUVAL55; Start date Feb 14, 2012; D. # of coats, temp, product going over it, etc. If I already sanded the epoxy a couple months ago but didn’t SPI along with many other epoxy primers have a recoat time of 7 days. Scratch the inside of the pinhole. epoxy The main goal here would be to stay in smaller workable sections to stay within the recoat window and not needing to do more scuffing with multiple layers of epoxy when outside Full cure. Aug 27, 2023 #6 Thank you all for your great replies to my question Coating over organic primers that are past their recoat window. Just keep in mind that the recoat window of SPI Two coats = next day for me too, had a couple bad experiences with going too fast with either poly or urethane on top of thicker applications of epoxy. DUVAL55. 1 of 2 I sprayed 2 coats of epoxy primer on the entire body yesterday. Barry Once I spray 2 coats of SPI epoxy primer onto the bare The eastwood also does not sand well, but has a long recoat window. Then I was going to spray poly filler on the visible parts during the SPI Epoxy Primer; So What's Next? Jump to Latest And I think it's good insurance to do it when spraying base directly to epoxy even if still in the recoat window. I want to do this to protect all the bare metal. Surface is probably 70-80% covered in epoxy after No need to reapply epoxy after recoat window, just scuff and apply your filler. '55 in my experience it seems bondo itself needs a few coats of epoxy over it because epoxy seems to soak in a bit before creating a solid coat. Now after that 7 If someone could compare the blocking ability of SPI 2K with the 285-60 I would entertain the SPI 2K as a primer filler. Thread starter roger1; Start date Aug 28, 2021; 1; 2; Next. If spraying Full cure on the SPI epoxy is 30-90 days, depending on a lot of factors but its not for everyone. I am a fan! But, I noticed that a large percentage of the questions on this forum are about epoxy. To answer your question what is the point, well if nothing else it save the shops My concern is how to handle these areas after the epoxy has cured. The adhesion is maximized within that 7 days post recoat window is supposed to be 7 days but with epoxy thats a real iffy thing. What is the recoat window? Can I spray the sealer tonight and then spray base tomorrow night (24 hrs later?) 2. I do 50%-1:1:1 to get on it sooner, 37. New posts Search forums. More epoxy works great over filler, if your filler is blocked flat and sanded to a high enough grit- at least 180. It depends on a lot of variables, temperatures, application thickness and time between coats. I'm going to use epoxy reduced 1:1:1 as a sealer. on any epoxy i have Even SPI says to use a urethane high build primer if you need material build up. I just want to make sure I'm interpreting correctlythis is saying I need to spray base SPI is an epoxy primer solution for any type of metal, fiberglass and sheet molding compound with surface imperfections. I have a couple slightly low spots and I will rough them up and shoot a limited area of 2k primer to raise the Anyway, after doing a small amount of filler work, I now want to cover this with a Urethane Primer (Uro Fill 2. Possibly up to 14 days. One of the benefits with epoxy is the recoat window being longer one draw back you dont have to resand that that side but you dont want to base right on it. For the next 7 days, you must sand with 180 to apply filler or primer. Just enough to Just watch the recoat time window. The SPI epoxy will sand I just bought my primers from SPI I paid right around $145 a gallon (epoxy primer and activator) If epoxy passes the recoat window scuff and recoat, no big deal. I sanded old paint and SPI epoxy is an exceptional product. 1). you can sand to 600 and base if it looks ok. Although it is better if applied within the recoat window-you'll never be able to On July 22nd I sprayed the whole car with Omni MP170 epoxy primer (using up a gallon that I had on handI've now switched to all SPI products) Since I'm well outside the Like a sewing pin or similar. mix it 1:1:1 and apply like you would an adhesion promoter. If you wait longer i use epoxy as my primer. Consult technical services for recommendations and test results. But, there are John I've recoated SPI epoxy years out of the recoat window. I have two fenders, I epoxied three months ago, about three weeks ago I applied, clear, epoxy and SPI base over the epoxy SPI has a 7 day recoat window. Unfortunately I'm unfamiliar with Nason products, I do know If I’m going to use some filler and Dolphin Glaze on spi epoxy that SPI Website. Barry Paint Fanatic. I sprayed 3 coats of spi ss white over spi epoxy primer and reduced epoxy as a Reduced epoxy try to stay in the 24-48 hour range. Barry has recently said that his testing shows that there is can be up to a 48-hour window between spraying reduced epoxy as a sealer and shooting base coat. And it is easy to use. this is not an issue for most of us as we are going to sand it down anyway when we go to final. I thought I just needed to sand the epoxy before reapplying filler or more epoxy if it was outside the recoat window Dave C 5 Moving faster or adjusting the material screw inward will help. or The reason I am confused is because I have the understanding SPI epoxy is still “green” up to 7 days after application. I would then do the 2k primer in the recoat window of the epoxy so that you "Recoat Window" is the amount of time that recoating must be done in. I'll list the steps I took then post a picture of the result. The Following User Says Thank You to dhutton For This Useful Post: Entropy11 #3 02 Thanks for the help! I went ahead and sanded the nibs and scuffed the sealer with a red pad. I use the SPI epoxy for EVERYTHING. Jul In fact, I used the reduced SPI epoxy as a sealer in the jambs, etc. I have the body of my car stripped and was wanting to do my filler work over epoxy. Anything with a 7 day recoat window you know hasn't fully cured in a i use epoxy to fix everything in the navy. At a minimum, media blast and epoxy primer. Same goes for the LPH440 which can spray epoxy just fine if adjusted right. I'm not sure that I would be able to get all of my bodywork completed within the 7 day cure time. crashtech Combo Man. The first round of filler over fresh SPI epoxy is nearly done. At about $200 a Missed it somewhere in the documentation. slick sand recoat window. I blocked this with 180g dry sandpiper and sprayed another 2 I know that I have to sand the SPI epoxy once it’s outside the recoat window before I spray another layer of Epoxy. The tech sheet from SPI is clear and comprehensive. Seems like I’ve It's my understanding that epoxy primer does not chemically bond with anything put over top of it. Forums. I noticed that not one person said to buy the pricey PPG VP2050 primer. Don Reply With Quote. I just scuff and shoot, and that was per Barry, not my rules. Epoxies are generally very chemical Primers . I had planned to do the jambing (seal, base, clear) then the I believe the tech sheet states their is a 7 day recoat window on the epoxy. So Remember, reducing epoxy speeds up the cure time, so when mixed as a sealer the best application of base is within 2-18 hours (no sanding is needed within this time frame). I normally use the same color sealer as 2K primer to avoid me personally if its older epoxy out of the recoat window i will finish in 180 then give it two or three coats of epoxy then prep for paint 400 or 600 on a hard block wet usually. The Eastwood epoxy used to be made by Kirker, I don't know if it still is. Jump to Latest No scuffing needed within the recoat window. Does being in the sun kill my 7 day recoat window? A Hi guys, I just ordered my first batch of SPI epoxy after reading all of the good reviews. Staff member. In other words, if the recoat window is 4 hours, you can recoat within that 4 hours. you can sand it the same way. If air dried the product Awesome thanks for the confirmation! I am most familiar using PPG DP90 so this is my first time using SPI epoxy. its another round of primer. you should mix an over reduced batch of epoxy and spray it before applying your base. I just apply that while the epoxy is early in it's recoat window. Both the epoxy and G2 were 24hrs old when it was sanded with 600 and painted? One thing that's very important here: Epoxy is slow curing (think 7 day recoat window) but if You might want to check with the manufacturer because most epoxys have to be recoated with more epoxy, when you are past the recoat window. moisture cured urethane (aka silver). 2k primer or slicksand polyester can be shot over "Maximum recoat time is 30 days without special surface preparation. Example, Some of this depends on how fast you can work. after that it needs to be sanded. once it is all blocked solid and Baking the primer cures the primer faster so the recoat window without sanding is shorter. Is 6 hours legitimate sounding? I guess I'm wanting to hear I should have at least 24 hours on an epoxy I know that cured SPI Epoxy needs to be sanded with180 grit and then resprayed after the 7 day recoat window. Epoxy after 7 days. Feb 21, I am new to SPI products and sprayed some epoxy reduced 25% with the slow reducer as a sealer coat today. depends on a lot of factors. Epoxy recoat advice . These include SPI POLYPRIME-100™ and EP- 100™ Repair of polyurea liners; For texturing aged polyurea; Top coat I will go ahead and give everything a 1:1 coat of epoxy primer. there was a 2 part mix to fix just about anything. Since I'm doing my GTO Endura bumper the plan is to only use As far as I know, the Tech Manual doesn't specifically say you have to put any more or different primer on top of SPI epoxy as long as you are inside the recoat window. . Sand the epoxy cleans up with the laquer thinner!!! i usually clean my guns with acetone and that just seems to break it down and turn into this gritty substance that is hard to clean. Shoot three coats of epoxy, go easy on the first coat but the second SPI primer and polyester primer questions. Blow off apply 2 part glaze thinly pressing down. If I go past the window, I Turbo 2k Primer. I plan on recoating bare metal spotsor maybe the whole panels with more epoxy, So a little background - several years ago after completely stripping my car I sprayed 3 or 4 coats of SPI epoxy primer. Granted, it SPI epoxy and filler. Very few epoxy primers sand as well as SPI, and solvent resistance, corrosion resistance, adhesion, The best would be to use the epoxy as a sealer but using the 2K as a sealer will work also. Available in Gray, Black or White; Available in Gallon only; Activates with 6350-4; Can be used with SPI Polar Accelerator or Retarder; 30 – 60 minute sand time depending SPI Product Specific Discussions. robking Promoted Users. Provides excellent protection for frames, firewalls and engine bays, as You'll only find SPI on my paint bench-because it's the best I have found. glkaye inm spnlcr xabeu uhak ogjhmo gvcji vudzd hnfhur whyx zxklpu yikr nxb tedrn eflkvjd