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Thread: Remove attached fiberglass spa, or convert to vinyl lined?

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    Remove attached fiberglass spa, or convert to vinyl lined?

    My pool has an attached fiberglass spa that I'd like to remove. We just want the wall to come straight across and give us more deck space.

    So far I've had two contractors come out to look at it (and bid a replaster job) and neither one wants anything to do with taking out the spa. They aren't sure how they'd be able to build a leak free wall into the existing pool.

    Has anyone ever dealt with one of these spas? Anyone removed one? Any ideas on how to remove it and build a leak free wall in place?
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    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Mod Squad Bama Rambler's Avatar
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    Re: Remove attach fiberglass spa

    Is that a vinyl or plaster pool?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: Remove attach fiberglass spa

    Quote Originally Posted by Bama Rambler
    Is that a vinyl or plaster pool?
    The bottom is plaster. The upper walls are fiberglass that has been painted.
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    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Re: Remove attach fiberglass spa

    The only possibility I can think of is to convert the pool into a vinyl lined pool.
    24' round above ground, 13500 gallons, vinyl liner, 18" Sand Filter

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    Re: Remove attach fiberglass spa

    Quote Originally Posted by PJ
    The only possibility I can think of is to convert the pool into a vinyl lined pool.
    I was actually going to ask about this as an option if nobody had any wonderful ideas to remove the spa leak free.

    After doing some searching I've only been able to find a couple of posts on here that address this idea.
    converting-a-concrete-pool-to-a-vinyl-liner-t26970.html
    coping-tile-concrete-repair-too-much-convert-to-liner-t59984.html

    And neither of them seem to have actually done it. Does anyone on here have any experience with converting a concrete/gunite/plaster pool to a vinyl lined pool?
    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Mod Squad Bama Rambler's Avatar
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    Re: Remove attach fiberglass spa

    Most pool builders aren't fiberglass guys so it's no wonder that they don't want to tackle it. I would try to find a fiberglass repair place and see if they'd make a panel to cover the opening that removing the spa creates. You can then backfill the space and deck over it.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: Remove attached fiberglass spa, or convert to vinyl line

    Yes we have done it.
    24' round above ground, 13500 gallons, vinyl liner, 18" Sand Filter

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    Re: Remove attached fiberglass spa, or convert to vinyl line

    Quote Originally Posted by PJ
    Yes we have done it.
    Can you tell me how well it has stood up? What kind of walls did you have to attach the track to? Mine are fiberglass walls, and it worries me that they wouldn't be good for attaching the track to. Would there be any problems with the "safety ledge" at the base of my walls? Also, right now the plaster on the bottom of the pool is in bad shape (chunks missing making divots up to an inch deep and very rough in some areas). Would the bottom of the pool have to be re-plastered? Or some other treatment to make it even and smooth for the liner?

    Do you have any pictures of the pools you've done this with?

    Thank you,
    Cody
    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Re: Remove attached fiberglass spa, or convert to vinyl line

    We have done a handful. I have seen 2 others done by other companies as well. We have had one that had a rough bottom as well that we used floor foam to cover. However, we were called back when the bottom starting wrinkling 6 months later. This was due to a pin hole leak in the liner that led to the foam becoming saturated with water and slick. We removed the foam and smoothed out as many divots as possible and put the liner back in, so far so good. The other two I have seen have do not look as good as the one we have done, and I think that was due to mis-measurement. There are a few wrinkles on the deep end slope on one and the corners of another. As far as the liner track staying attached to the fiberglass walls, it will. Most of the pressure is not pulling on the track but pressing on the walls and the floor. Self tapping screws are used every few inches to attach the track. If you do go ahead and decide to go this route however, liner warranties are null and void in most cases. As far as replastering the pool....that would be the best, however...you can go the foam route, just know that if you end up having wrinkling problems, the foam has gotten wet somehow. Also, I think a good sanding and cleaning might do just as well.
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    24' round above ground, 13500 gallons, vinyl liner, 18" Sand Filter

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    Re: Remove attached fiberglass spa, or convert to vinyl line

    My husband just told me they also used 3M 5200 on the backside of the track.
    24' round above ground, 13500 gallons, vinyl liner, 18" Sand Filter

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    Re: Remove attached fiberglass spa, or convert to vinyl line

    Quote Originally Posted by PJ
    We have done a handful. I have seen 2 others done by other companies as well. We have had one that had a rough bottom as well that we used floor foam to cover. However, we were called back when the bottom starting wrinkling 6 months later. This was due to a pin hole leak in the liner that led to the foam becoming saturated with water and slick. We removed the foam and smoothed out as many divots as possible and put the liner back in, so far so good. The other two I have seen have do not look as good as the one we have done, and I think that was due to mis-measurement. There are a few wrinkles on the deep end slope on one and the corners of another. As far as the liner track staying attached to the fiberglass walls, it will. Most of the pressure is not pulling on the track but pressing on the walls and the floor. Self tapping screws are used every few inches to attach the track. If you do go ahead and decide to go this route however, liner warranties are null and void in most cases. As far as replastering the pool....that would be the best, however...you can go the foam route, just know that if you end up having wrinkling problems, the foam has gotten wet somehow. Also, I think a good sanding and cleaning might do just as well.
    Thanks for the information and the pictures. Our pool is almost exactly like the one in your pictures. Ours just looks like it's a little deeper, and has the ugly useless spa that we're trying to remove. I'm wondering, would the pool have to be fully re-plastered first? Or would it work to just fill in the divots with some plaster or mortar/grout to provide a smooth finish for the liner to rest on? I really wouldn't want to pay for a full re-plastering and then pay for a vinyl liner too.

    I don't suppose you happen to be in the Kansas City area? Do you know anybody in KC who converts pools to vinyl lined?
    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Re: Remove attached fiberglass spa, or convert to vinyl line

    It depends how rough the finish is. I would lean to patching and sanding if it's not too bad. I will send you a PM about someone who could do this for you.
    24' round above ground, 13500 gallons, vinyl liner, 18" Sand Filter

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    Mod Squad zea3's Avatar
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    Re: Remove attached fiberglass spa, or convert to vinyl line

    If you remove the spa you will also have to deal with the plumbing. You will need to look into whether or not removing the spa will involve tearing up any of your deck to re-route the pipes.
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    Re: Remove attached fiberglass spa, or convert to vinyl line

    Quote Originally Posted by zea3
    If you remove the spa you will also have to deal with the plumbing. You will need to look into whether or not removing the spa will involve tearing up any of your deck to re-route the pipes.
    Actually, the spa plumbing is completely separate. It had it's own pump, filter, and heater mounted on a skid (you can see it behind the bags of salt in the overview picture I posted above, it had been in the equipment room until I pulled it out).
    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Re: Remove attached fiberglass spa, or convert to vinyl lined?

    Cody Check out Latham they have a sure fit liner that the coping could be attached to the fiberglass wall. You will have to have new returns installed to convert to vinyl. We did this on a "Polynesian" brand pool. What about instead of removing spa putting a plate over it filling in behind it and pouring concrete deck over it. You may also need a new main drain or you will need to fill it in. You could maybe place a 1" laver of pool base over your floor.
    Over 30 years in the pool business
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    Re: Remove attached fiberglass spa, or convert to vinyl lined?

    Thought I'd wrap this thread up with what we did.

    We found a company (Mid America Pool Renovation poolrenovation.com) that said it'd be no problem to remove the spa and make it leak free. They gave us a bid to re-plaster the bottom of the pool and re-paint the sides and remove the spa area. They also gave us a bid to refinish the entire pool with their "INTER-GLASS" fiberglass system and removing the spa area. We decided to go with the INTER-GLASS system even though it was about twice as expensive. The INTER-GLASS system has a 15 year warranty, and the company has been around for over 30 years, so they seem pretty stable. We liked the idea of the uniform surface of the INTER-GLASS and its ability to seal against leaks between the plaster and existing walls, or at the newly filled spa area. We also didn't want to deal with the painting every couple years.

    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Re: Remove attached fiberglass spa, or convert to vinyl lined?

    What an excellent fix.. You should be very proud...
    Intex Rectangle 18 x 9 x 52', 4544 gallon (18000 litres), 0.75 hp pool pump, 100 sqft Zodiac Titan Cartridge Filter - 40mm, Stenner Peristaltic Pump chlorine injection system, Intex Over The Wall Skimmer, Intex Fittings with 40mm plumbing Lil Patch Of Heaven. Build/Construction http://www.troublefreepool.com/threa...lice-of-heaven

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    Re: Remove attached fiberglass spa, or convert to vinyl lined?

    Wow! Fantastic! Any pics of it filled?
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

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    Re: Remove attached fiberglass spa, or convert to vinyl lined?

    Looks great! Cant wait to see it with water...
    Our Pool Build! (Done) 18x36, IG Vinyl... All Equipment is Pentair... EasyTouch with IC40 SWG, Clean and Clear Plus 420 Cartridge Filter, Intelliflo VS pump.

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    Re: Remove attached fiberglass spa, or convert to vinyl lined?

    Wow, that looks so much better! Congrats
    26,000 gal 18x36' IG Vinyl Pool - Hayward S244T Sand filter - Hayward Tri-star 2-speed 1.5HP pump - Goldline Aqua Plus SWCG and Controller with Tcell-15 - Aquacomfort 125K BTU Heatpump - Hayward Color Comfort 4.0 LED - Zodiac MX8 suction cleaner - TF100 test kit
    My Build thread

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