EPOXY FLOOR HACKS. Epoxy Floor Caulking Before Application. Tips Caulking Cracks Before Epoxy.
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- เผยแพร่เมื่อ 26 ส.ค. 2024
- Before applying epoxy to a garage floor, caulk saw cuts and cracks. Tips caulking concrete before applying floor coatings. Part 2 of my series of apply an epoxy floor coating to your concrete garage floor. Home improvement floor coatings. DIY epoxy application. Let play football or go snowboarding.
Here are the tools and products I use to prep concrete for epoxy.
Big Stretch Caulking: t.ly/oeXg
Ratchet caulking gun: t.ly/9RFF
Caulking sponge: t.ly/OT6p
Tingley rubber boots: t.ly/D2X0
Safety goggles: t.ly/D1xV
ThxToms chemical resistant gloves: t.ly/D2X0
Muractic acid 1 gallon: t.ly/D2X0
Honeywell chemical Respirator: t.ly/D2X0
Thank you for the videos. Recently did this job to my garage floor, using the same calking material. Wanted to mention to anyone else doing this type of job that, at least in my experience, the calking started off 'flat' but as it dried is slowly started to 'sink' into the cracks. I let the calking dry for a few days before I started the epoxy job itself.
Some more research showed that if you truely want to have a flat surface, use a concrete mixture for filling and a floor sander afterwards. This was a bit much for me & I was already hurting on my time to get this job done. Floor still came out great, but man what a job it was! I was solo and from start to finish it took me almost 2 weeks. I put a lot of effort into the prep, including the acid etching. Advice for others attempting this job: get help! My biggest issue was cutting in the epoxy on walls & corners, while also rolling it: the epoxy was drying faster than I could get it down. I ended up doing several coats with a clear coat as the final.
Awesome, thanks for sharing Matt!
DO NOT USE CAULK! I did in my garage after seeing this video and it cracked within a couple weeks. I have now ground it all out and filled it using a 2 part epoxy filler. I also now have big patches in my floor where I had to patch the epoxy. Wish I had never seen this video.
😂😂😂😂😂
Hey mate from Australia . I have been doing epoxy floors for 26 years and i find you get a better finish when you mask and caulk with Sikaflex pro afterwards in a colour 1 shade darker than the coating.
Thank you very much for creating these videos. It helped me Epoxy my garage... I bet I watched this series several times. Felt like a pro when I installed the Epoxy... THANKS!!!!
Glad it helped, thanks for watching!
I am getting ready to epoxy my own floor. The company I am going with says to not fill the saw joints. However, I think I would feel more comfortable with filling them with caulk like you did. If you caulk it and then smooth it out to the top of the crack, how does the epoxy still show the lines?Also, have you ever had any problem with the epoxy cracking along the joints if the garage settles at all?Thanks!
Have you ever tried overfilling the joint and then scraping it smooth with a razor scraper? I’m thinking about trying that on my next floor.
By filling the expansion joints ( saw cuts) in the floor with caulk, will that cause the concrete to crack in other places or will the floor still be okay? We just bought our first home and I want to apply an epoxy in the garage before we move all of our stuff in the garage, Thank you and I love all the hard work you and your team put into making all of the videos you produce.
No, it will not
Was gna say no it shouldn't being caulk one guy however mentioned above using concrete filler. Their expansion joints and caulk should expand and contract with it over time. Putting concrete back in them? Well....
What kind of caulk did you use, poly or silicone??
put part 2 in title make get more views
thank you for all your help.
all I can say is Thanks, your videos are awesome
Thanks so much, excellent video series! I'm about to epoxy the concrete floor of a new 2,600sqft shop. I've etched and power washed it, now I'm caulking the saw cuts. My first pass "sunk" into the cut, so I'm adding a second layer to make it even with the surface. A question -- I'm having a hard time avoiding caulking residue on the top concrete surface. Will this create an adhesion problem for the epoxy? I'm trying to scrape off as much as I can but it's still there.
LOL I'm entirely unrelated to the "Fisher Painting Services" that just posted a few minutes ago. A funny coincidence though.
How did the caulk hold up? I’m concerned that flexible caulk with rigid epoxy is a bad idea
Id you didnt grind the floor to csp 2 grade and get through the power trowel cap then the epoxy will come off on tires over time and delaminate
The description has a link to big stretch caulking, is that what you used? Will the epoxy crack where the caulking is if the concrete shifts? I've read not to use silicone or latex caulking to avoid later issues.
Chris, I am curious how you keep materials off the walls without covering them? Also when pressure washing, how do you keep everything at the walls dry?
they get wet but its not an issue
Great tips and I'll be looking for that "Sure Max" sealer.
any updates on the caulking has it peeled off or anything?
Nope
How many coats of epoxy can be applied...ex 2,3,4 ect....in other words can 3 to 4 coats of epoxy be applied instead of only 2 coats and will it make a difference in the outcome between each additional application...TIA
Thank you Idaho painter for your videos ,
Hey nice videos, I'm going to epoxy my own garage floor. I have a question for you. I have a few large cracks in my floor. approx 1/2" wide. The slab has lifted a bit as well, my question for you is this. Can i use an epoxy such as hilti or set 22 to fill the crack ? my concern is if the epoxy shield "rustoleum" will bond to the epoxy i use to seal the crack. I could just dry patch the crack but im sure it would just re-crack. What do you suggest? Where do you buy your calking ? Thanks
if you coat over the floor caulk with a epoxy or paint, if movement occurs will the paint crack over the expansion joint?
If you think movement is more than likely I would suggest using floor patch on the joint instead of caulking
This is a very good how to video, nice work!
What do I do for large expansion joints? How do you get them level enough to not show in a finished floor?
NICE............THIS VIDEO IS VERY INFORMATIVE....THANK YOU VERY MUCH...
Do you really need to fill in the cracks before primer/epoxy if it's like a hairline crack?
No, you do not, but the epoxy may not fill them
What do you recommend for the gap below interior sheet rock walls? Also when you tape, do you go all the way to the floor or leave the epoxy fill line exposed?
Do I need put a clear coat or sealer after install the epoxy?
was going to purchase muriatic acid via your link... but broken. pls update, thx!
Fantastic videos. Thank you for sharing your time and talent!
Thanks for letting us know! We will get it fixed!
Is there any way I can just apply epoxy on a little bit of my garage floor without grinding the whole area?
What is the best crack fillier to use on concrete if you use paint and not epoxy
I did not see or hear that u used the silicone sealant. When did u use it and what for?
Does filling in the concrete expansion joints have a negative effect in climate swings?
I am going to be epoxying on advantech OSB flooring. Do you have any recommendations? Thanks
Great videos! Thank you so much for sharing. I can't find the SherMax caulking in my area, but I found "Sashco Slab" which seems to be a very similar product. Do you know if that will make a good substitute for filling in the saw cuts in my garage before applying epoxy? Thanks again for your amazing channel!
Thanks
Don’t acid etch for prep, grind the floor or shotblast. Also don’t use caulk to patch cracks and sawcuts, use epoxy mixed with cabosil or polyurea/sand. This is coming from someone with 15 years in polished concrete and epoxy.
Acid etch is just fine
Hi Chris, greetings from CT. The annotation for video 3 isn't up. Great work so far.
Is the caulk oil or acrylic based.
What is your opinion on quikcrete self leveling sealant for this application?
Sir, will muriatic acid melt the caulking if the cement already has the cuts caulked?
Thank you,
J Carrillo
This topic will make a great video for you. - I guess I will find out next week when I etch my garage. Question, do you think I should etch my cement or will the cleaning powder that comes with the Epoxy kit Rust-Oleum is enough? Man, you videos are awesome and very helpful.
Thank you for your quick response. If you were in Cali I would hired you to do my garage since you do it the RIGHT way.
How important is it to etch the concrete before the epoxy? - and is it needed? Just wondering since the kit doesn't come with etching solution and only the cleaning powder. - I want my concrete to accept my epoxy and not lift up because I didn't etch it.
Thank you, Sir.
The cleaning powder you are referring to is powdered citric acid. It is what rustoleum uses instead of muriatic acid for its etch.
You don't need any foam backer rod? It doesn't sag?
The cracks are not that big
I'm in central Ohio. The temperature and the weather fluctuates like nobody's business. What type and brand of caulk would you recommend?
+The Idaho Painter , yes it's a concrete floor and money IS somewhat tight. I need to be as frugal as I can without compromising too much quality. Thanks!
Thank you for the awesome video. One question about the brand of caulking you would recommend. In the video you are using Sher max, but the link in the description is for Big Stretch. What would you recommend for small spiderweb-like cracks (and not saw cuts)?
He recommended tower caulking in another video…. So which is it?
Would you still recommend caulking in Midwest states where it gets very cold in winter? I talked to someone who said it could expand/contract and then crack the epoxy. What do you think?
A friend of mine is an engineering nerd (love 'em)...I asked him the same thing, as I moved away from caulk, and ended up using a fast setting cement. He was surprised at how little the cement expands/contracts w temp....it really came down to how stable your foundation/slab is. My house is 23YO, and nothing's changing, so I felt confident in using a less flexible material to fill the cracks....but only time will tell.
Also, remember, epoxy and polyurethane also expand and contract with temps too.
All the Epoxy manufactures have told me not to use any caulking, but especially not a silicone cocking in the saw cuts as over time they say it will crack. How is it that yours sticks to silicone? And doesent crack over time?
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Special Thanks - Chris Berry, The Idaho Painter
I have started to fill in the "saw cuts" in my 3 car garage. At my current rate it will take a total of 36 tubes to complete. My saw cuts are 1 to 1.5 inch in width which makes me nervous that it will crack the epoxy when a car drives over it. My saw cuts are obviously larger than what is posted in the video. Do you think I should be concerned?
Thanks!
Just to be clear, my expansion joints are the v shaped groove rather than a saw cut. :)
Can you use any type of chaulking?
Will the sure max caulking or the big stretch work with rustoleum’s rocksolid products?
I need to know the same thing. Did you try it? And use rocksolid???
how much would that work cost in the same 3 car garage?
Good job. I have a few questions. I did my floors about ten years ago with Rust-Oleum 2 part epoxy. It’s time to redo it again. I have pressure washed the floor and and got about 30% of the old paint off. Do I need to take the rest off or can I paint over it with the same product again? I know Rust-Oleum sells a primer, but that’s for floors that are already painted and since I have areas that are bare concrete I’m not sure if I can use it. If I need to strip the rest, what do you recommend using? Thank you.
If it is sanded well and has a good profile you can go over it
Can I do pass my garage door fill the crack and Epoxy out pass the door
Look at that grout swell up
You could've just applied masking tape on both sides of the crack lines then smooth it out, pull up the tape which will then prevent the caulk from spreading onto the concrete edges...👍🏼👍🏼👍🏼👍🏼, otherwise good job
Good tip, thanks for sharing!
@@Idahopainter I think it would be a lot of waste of masking tape. If you are just careful and the right touch then it's manageable with just cloves and the right cut on the caulk tube.
What's the tape for?
How does the epoxy stick to the caulking? Also, is that caulking playable? I was just thinking of using concrete crack filler or even just filling the cracks with actual concrete patch. Your thoughts? Thanks
The caulking has always worked just fine for us and has plenty of flexibility.
Before we had our garage floor finished with Epoxy, we covered our concrete walls with insulation and plywood. There is a small crack at the bottom of the walls, should we use Caulking to seal the crack? What kind of Caulking? Thank you for your assistance. Lise
Thank you!
Why not Silicone vs polyurethane?
I just wanna make sure that I explained myself correctly. It is more like a space (not a crack) between the plywood and the Epoxy floor, we do not want water to get into that area. The polyurethane may reach the concrete, will it create a negative reaction and have an effect on the Epoxy.. we do not want to damage our new garage floor. Thank you for your advice! It is greatly appreciated.
I have the same deal. There is a small crack where the polished concrete floor meets the wall. I'm leaving the floor as polished concrete so want to fill this crack so ants to create superhighways down there. What did you use?
Would you fill actual cracks with caulk or a concrete crack filler?
Caulk
What do you use to remove a concrete sealer or some other coating on the floor that was applied after the concrete was done this sealer has reacted with floor mats i had down on the floor for some time now
Diamond Grinder on the whole floor
the link to part three doesn't work.
Oh yeah! Oh goddamn!
Look at it swell up!
@@MatthewChristianMurray Big ole thick piss slit there at the head of that thang! Yeah Uh Huh!!!
Do you still recommend the tower caulking for cracks?
AU-1 from Tower available at paintlifesupply.com
Will the muriatic acid fully remove oil stains from garage?
From my experience but you use simple green also
I forgot to caulk hairline cracks, after epoxy the cracks are even more visible . How can I fix it ?
caulk and recoat
@@Idahopainter Thanks for the response, Your video was very useful and especially the tips about holding the roller, gloves, saving the driveway. It really helped a lot. One question, when you say recoat the whole area or can I do only the patches?
Avoid caulk for this application! I love just about everything he teaches, but I can't agree with the caulk method. I tried Big Stretch on expansion joints 1/2" wide x 1/2" deep. I live in Colorado in June, so low humidity, dry weather, and it's 6 days later, and the middle of the caul never dried, and still tacky and it's put my epoxy project back by days. I'm lucky because the caulk failed on my primer coat, but now I have to remove the caulk, and find another solution. It looks simple, but don't make more work for yourself, also, this stuff is expensive (about $70 worth of caulk being removed)....go another way.
@jonas - man you are right. I made the exact same mistake here that you have; I am now grinding out the caulk / expansion joint filler
@@robertbolen4151 Sorry Robert... hopefully others will see the comments before they use the caulk and save some headaches.
In the end, I used a grinder w a bristle brush to get all the caulk out, then washed again with a degreeser before using Rapid Set Cement All to fill the joints (gotta work and clean up fast w this stuff). It cures very quickly, but I gave it two days before trying to primer it, then final epoxy coat (Arizona Polymer) and flecking, then two coats of polyurethane (Durathane 100). Just started parking cars in there this week. This floor isn't going anywhere, but I'm still cautious about hot tires off the highway in the summer. We like to keep the hot cars out of the garage anyway (girls' rooms above the garage)...we cool them off outside on really hot days anyway, and now we just have another reason to do that....no reason to abuse the work.
Jonas Nazaruk yeah caulk and sealer stays flexible so epoxy will crack on top of it.
Great video! I can't believe how much I've $pent sealing these expansion cuts. I swear I can see China on some of them lol. But in the grand scheme it's a very small amount overall.
What if you have a basement you want to epoxy but you have much larger concrete saw cut gaps? Is there a filler that will still work will with the expanding and contracting or do I just have to use much more caulking?
Do you mean polyurethane or polyurea like sher-crete? If you mean polyurethane please could you recommend a brand you use? Thanks.
Backer rod sir
@@solayeogedegbe2302 I ended up selling the home and didnt do it.
@@williamgordon ok
Getting ready to epoxy my garage floor and am now thinking about what to do with the control joints. I've scoured the internet to find recommendations for just a few very expensive products that are really hard to find in stores. You recommended the Shermax caulk. I've also read not to use latex caulk because it could crack the epoxy when you roll stuff over it. Have you had any experience with that, or has the Shermax always worked without issue? Thanks!
It has worked for me
Can I lay carpet over epoxy? I'm planning on putting epoxy in my house and want to know for the next owner.
yes
@@daveyconcrete9801 can I lay epoxy over my carpet?
do you use epoxy crack repair filler or Silicon
Epoxy doesnt stick to silicon so definitely dont use that
how much did you paid Lauren Daigle to do your paint wear commercial.
Can you use sika polyurethane self leveling caulk or stay with acrylic? Which is best.
Polyurethane is better
Incredible!. I've been doing epoxy for ever. You have no idea what epoxy process mean. You should never use caulk in concrete floor for epoxy.
I would to see that caulk in 5 years .we sign warranties for 10 years with 0 cracks
So what product do you suggest? I'm trying to fill my expansion joints before I epoxy it
What u use if not caulk like concrete crack fillers something like that
You need the Easy squeeze caulk gun Chris! Way faster
We'll try them out!
No knee pads? Acid etch? Water? The red flags from watching this video
you should mix up cement to fill cracks and holes, not caulk. cement on cement is best.
Good idea, caulking has worked great for us!
@@Idahopainter does silicon caulk work? I'm just about to put my epoxy floor on but I just realized I used silicon
I wouldn't use caulk, acid etch maybe but not caulk the cracks, that's not for epoxy floor.
You're click links aren't working in your videos.
Where were the “cracks???” Nothing but straight line expansion joints!!! Misleading!!!
The guy in the back can care less about gloves and how his nails will look after. LOL
That guy at end sweeping made me cringe since he was behind you with wet caulking
cant click
Actually x 24
:)
I want a dollar for every time he says caulking the cracks.
OK
I'm famous.
B B and Hot!
+100
Bro you PNP?
OK
always great tips. Although all your pop ups on your videos make it very annoying and hard to watch.......
do not use Shermax prior to using any solvent based epoxy coating. the following is taken from the Shermax data page directly from Sherwin Williams website: "Never use in architectural joints, joints subject to heavy abrasion, wear or joints frequently under water" an expansion joint applies here. Not to mention Epoxies are not flexible and this is an elastomeric caulk, which is extremely flexible. Shermax is tested and rated for mostly vertical services This video should be taken down immediately. IF YOU FOLLOW WHAT HE DID, IT WILL FAIL
AU-1 from paintlifesupply.com
comment
+The Idaho Painter comment helps your google rankings, I had no comment but wanted to help u out
The Idaho Painter
very informative videos. Good job! I suggest trying an 18 inch roller it makes the job go much faster.
Too much talking!
OK
What a bunch of dodos you never caulk underneath epoxy coating?
It has worked for us!
nice work! but you talk to much and over explain the simplest things, other than that keep up the good work
CoolRaul the simplest things, like spelling "too"much... not to much...
not the correct way to prep the floor... wow... caulk? watch our video and learn a few things
It has worked for us!
Just do the work and later add your commentary. Makes for a better video.
Thanks for the suggestion!
Keep it the way it is. I like the commentary as you do the video. This is what makes yours stand out as being more informative because the commentary occurs in context of the step.
Stephen Vipperman I disagree!!!! This was extremely informative the way it is
@@tommyg5346 agreed.
Can I Marry Brooke?
You talk to much... show the stuff then yap
True