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We do fix a pool that has cracked from time to time.

The last coat of gel coat gets a surfacing agent "Wax" so it doesn't get tacky and shines.

I drain the water down to about 2/3 empty of water first. I then get into the pool and feel if there is any water under the pool. If no drain pocket is there, then I take long drill bits and drill 1/2" holes through the fiberglass into the ground. This process will make the hydrostatic pressures the same on both sides of the pool and ground and then we can keep pumping with out worry the rest of the water and the pool stays in place. Hope this answers your question.

Jay, I would say not to use the resin putty on concrete. Do you have a concrete pool that has been fiberglassed over? I have not seen blisters on a concrete pool, unless the concrete was fiberglassed, there are some companies that do the fiberglass overlay. Polyester resins will not bond to concrete, so there would be delamination of the putty from the concrete. Hope this helps answer your question.

Thank you. I had made this video to show customers how we go about repairing pools. It is easier to show the customers than to try to explain the process we use. I will have a new video coming soon also on repairing blisters and the complete restoration of a pool. Stay tuned.

@@dalekoehn4691 Hey Dale, is it possible to fill blisters and then gel coat without re-fiber glassing the entire pool?

@@dalekoehn4691, do you use a specific resin for the CSM? I used some Bondo Fiberglass Resin with 1708 to repair a couple holes, but it looks much thicker than what you're applying, and seems like it would be hard to spread and get smooth with a roller. Any advice on where I can find what you use? Thank you!

@@jamieverley I use a low profile laminating resin. The Bondo resins that I have seen is a gel and not good for much of anything in my opinion. The best place to find Resin is a Marine supply store or a Fiberglass supply outlet store if one exist in your area. Good luck in your search.

@@patrickcollins9845 Oh, yes you can go that way. We do not apply Fiberglass mats onto all pools that we do. The reason we applied the fiberglass mats in the video was to show how to go about if it is needed. The only reason we will glass is if we find many, many small blisters the size of pencil erasers, to many to try to fix, on the surfaces. The Fiberglass mats will act as a barrier to keep the small blisters from opening up. Hope this helps you out.

Yes, we do sand the new fiberglass installed before applying the gelcotes.

@@dalekoehn4691 thanks so much for the reply! I'm going to try doing this myself in the next couple months. Your videos are really great!

@@jamieverley Good Luck with your project.

What is the putty used to fill the bubbles? Do you use Cabosil and Qcel? Thanks!

@@jamieverley when making the putty, use resin, 1/4" chopped fiberglass strand, Q-cell and cab-o-sil

I have a project in Indy!!

How about NM?

I have an all-fiberglass pool that needs help. We are in the Black Hills of SD. If you would like a pool with a view, we'd appreciate it. We have a guest apartment if you need it.

@@tosseiaholmes6112still have the project?

@@dawnb7972I have a fiberglass repair company, I can help you out!

I would like to know the answer to this question too

Sorry Salvador, I cannot help you out. As We are located in Southwest Florida, we do not know any company or person to have you contact in your area. Good Luck.

@@dalekoehn3955 Thank you.

Thank you for the response to the video. I get a lot of calls from others wanting to repair their pools and are using the video as a guide line. Good luck with your project.

Did you end up repairing your fiberglass pool yourself?

You could do it, but the issue is that the Fiberglass and resins will not bond well to the concrete. We repair a lot of pools that have had fiberglass layered on concrete done by a company and the fiberglass releases from the concrete. We have seen where you could pull the fiberglass loose by hand from the concrete. It is best to just stay with your concrete pool with no Fiberglass added to it.

I cannot understand why anyone would apply fiberglass and resins to a pool surface and not coat the fiberglass with something to seal the surface of the pool. They must have no experience with working with fiberglass laminates and coatings.

I’m very curious. How is your pool doing w/o the gelcoat on it?

@@danielle22226 I may NOT have the correct language, but,,, We had many black spots popping up inside our fiberglass pool. From one year to the next they doubled in numbers and size. We hire a company who explained to us what it was and what it was called. They drained the pool. Ground the entire interior of the pool. Ground out all these black spots and any blisters. Let it all dry. Filled anyplace that was ground deep into the fiberglass and then put (1) layer of fiberglass with some (white in color), resin that came in 5 gallon buckets on the walls and bottom rolling it all in with rollers and what they called a PIN ROLLER to get any bubbles out. It was very coarse. Next time I went out back, they were filling the pool and said they were done.... You can still see the fiberglass sheet and it is still very rough and now, 4-5 years later, the black spots are coming back..... (We had issues with these black spot right away, but they did fix them). Still, there is no gel coat and we could never get them to fix or finish it. Before anyone says: CALL A LAWYER, lawyers cost FAR MORE than I would ever get out of this failing company.. I would really like to have it done by someone who knows what they are doing and that will make it like NEW!!! Ps. They called the black spots COBALTING....

@@SteveP-vm1uc wow, how long did they let it dry before filling it?

@@danielle22226 I don't remember exactly, but the same afternoon they finished sanding the steps, they were already filling the pool... I questioned it, but they said it flashed very fast, so no worries. Hell, they had the deep end full to about 3 feet while one guy was cleaning up and the other was touching up the top edge.. This truly pissed me off. Their website said 3 coats and the last two were leveling and color. It was supposed to be BLUE!! To add insult to injury, they covered over the skimmer flange. So to change anything there it has to be ground out.. Guess who's WEIR VALVE is shot!! (This weir valve snaps into 2 curved fingers on each side. New weir door doesn't stat in place as the fingers are worn out).

No warranty on this job. Pool was 20 yrs. old.

Dale Koehn wow great work man! What’s a job like that cost...

ruclips.net/video/GcVyAaHGG6Y/видео.html

Thanks Motto, if you are going to repair something, do it the right way, not the fast way.

Thank you for the nice review.

She appeared as a "Special Guest Star" at a rock 'n' roll show in the Villages about a month ago (mid-2022). 74 years old... and looking good.

Michael, sorry to say that we do not get that far away from home. Thanks for viewing and hopefully someone up in your area can do your repairs for you.

Did you get a reply on resins used?

san juan makes a good pool. it is possible after 15 -20 yrs. you will need some repairs done.