Browse Forums Paving & Concreting 1 Mar 03, 2010 6:38 pm We have a 20+ yo fiberglass pool which has blackspot and some spider-like star cracks in its surface. As we are planning a major renovation around the pool area I was interested to find out if the pool surface can be succesfully repaired and at what stage of repaving (including raising poolside paving levels to place a coping paver over the existing fiberglass lip) should the pool resurfacing be considered. thanks Re: Fiberglass pool resurfacing 2Mar 03, 2010 7:09 pm If you are happy with the pool and it doesn't have any leaks, then just landscape... ...but there are limitations ...to how much you can 'load' the edge of the FG pool with soil or paving/concreting. Also those restorations make them come up a treat and it seems to last for yonks. The star cracks are likely from the star cracks in the mould, when air or water is used to 'release the plug' from the 'mould' ...and a rubber mallet is sometimes used to crack the suction between the 'plug' and the 'mould... ...an now harbour bacteria(black spot) as then stars are in the gelcoat caused by the previously cracked Moulds So long as no osmosis is happening you should be able to, clean/cut & buff the gelcoat back to new Even if it is lightly textured.. ... and a scrubbing brush Coupla bob Where you are coming from is where you are going to... Re: Fiberglass pool resurfacing 3Mar 03, 2010 7:45 pm Thanks Onc. The star cracks are quite large ie 200mm accross, in a spider-like pattern. There is also a step edge which is scraped back to clear IE gelcoat (?) gone, but does not seem to be leaking. The blackspots on close examination are like a small bubble in the surface with a minute split which harbours the blackspot. What resurfacing procedure would / could be done, I have heard of epoxy painting is this what you have in mind ? Would you need to do ding repairs first ? Could the pool be drained or would it crush ? The paving I was considering was to stick a coping paver to the fiberglass lip and then pave up to the back of this with liquid limestone. Does this sound feasible ? No, I am not a cop. Re: Fiberglass pool resurfacing 4Mar 03, 2010 7:59 pm keen I am not a cop. The bubbles are from air entrapment during the first glass lamination, on top of the 'gelcoated' mould. At first they are in the 'fibreglass'(on the outside) but when 'released' from the mould, exposed to the elements, sun etc, they blow out, on the inside. If you break away the thin layer of gelcoat you will see a small depression. You can buy a filler(Polyester resin and talc with correct pigment colour) to fill them and buff etc, same Polyester resin is used to recoat, you could tape the area(s) sanding etc and prepare for recoating a certain area, then just do it. Might need to prop the sides with 2 timber spreaders and a couple of acro's. but get more advise than that Where you are coming from is where you are going to... Re: Fiberglass pool resurfacing 5Mar 09, 2010 10:04 am Onc, my intention is to fix a coping paver to the fiberglass lip of the pool and then pave up to the back of that. (I have seen it done elsewhere.) Is this something which can be done succesfully or will it create problems later eg tiles not adhereing, fiberglass cracking underneath etc etc ? Also, the current paving is a pourous type of clay paver, layed on a mortar bed with sand underneath. (The odd one is a bit loose due to grout sand washout etc., and there is a spot behind the skimmer box which has sunken due to water splash from kids swimming etc). It is approx 40mm below the level of the top of the fiberglass lip. If I was to fix a 40mm coping paver to the fiberglass lip, that would leave 80mm from paving to top of coping paver......wait for it.... could I pour liquid limestone straight over the top of the current pavers to top of coping paver level (~80mm slabs) ????? Obviously I would try to regrout and shore up any loose / low spots and compact as much as possible. BTW, I would contain the edges first. cheers Re: Fiberglass pool resurfacing 6Mar 14, 2010 10:30 pm Keen - If you want to place a coping tile, then I'd be suggesting using a polyurethane caulking compound. ... then use the same ‘glue’ to ‘joint’ control the under edge of the coping. 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