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The sealant is available from most DIY stores and places such as Amazon and eBay priced at around £7 - £10 for a 220g gram tube. It is worth noting that this is only available to people aged over 18years old.
The sealant comes in a tall white tube which has a blue and silver cover to it, it actually reminds me of a large bottle of toothpaste. To the end is a slim nozzle which allows you to be quite accurate when applying, it is worth noting that you do need a sealant gun to use the product.
There are a few added bonus to using this rather than standard sealant, firstly, this comes with a 10year mould guarantee, I am yet to see if this works as we have only had this in place for less than a year but so far so good. Other sealants I have used in the past have started to go a little black which my hubby hates as he knows that I will then make him remove and reseal the shower. Another bonus is that once opened, the sealant stays usable for 1 year, so if there are any other DIY jobs needed, there is no need to repurchase.
For anyone that has never used sealant before, its really simple, and thats coming from someone like me who has never done any DIY in my life. I must admit, that using the gun is a little tricky at first and I would recommend practising at first otherwise you end up with too much sealant on the area you are trying to cover. It is recommended that you hold the gun to a 45 degree angle and sideways to ensure you get a good accurate coverage. Once applied, you smooth the sealant off with a special tool (or in our case, an index finger).
I would recommend wearing old clothes when using, at the sealant is waterproof so if you get it on your clothes, it is almost impossible to get off. The area that you are looking to seal must be completely dry and clean to ensure the sealant works correctly. There is a warning on the back of the tube to say that when using, the room must be well ventilated as it does have a really strong odour (which I actually really like).
After applying, the sealant takes around 24hours to completely dry, we tend to leave for a little longer than this, just to be on the safe side, especially when using around the bath as this is a pain to seal.
I would definitely recommend this sealant and it gets 5 out of 5 stars from me.
I bought some of this a couple of years ago when plugging a gap that had developed in the downstairs bedroom en-suite shower cubicle and it lay undisturbed on a shelf in the workshop until a fortnight ago when I used some to replace some grouting between the floor tiles on the raised platform on which our cast iron bath sits.
It had dried up a bit since I had last used it. For some reason, I hadn't put a nail down the hole when I last used it. This normally keeps the whole neck of the cartridge from drying out. This product is designed to be used with a sealant gun. These can be a bit tricky to operate if you haven't used them before, but even beginners soon get the hang of it. Once the sealant cartridge is fixed in the gun, you simply move the opened head to where you want the sealant to come out and gently squeeze the trigger. Best not to squeeze too hard as it is easy to splurge too much out.
Once I have a little toothbrush sized trail of sealant squeezed out, I use a lollipop stick to work it into and smooth it between the tiles, making sure that I remove the excess before it dries. I also wet my finger and draw it across the top of the waterproof sealant to give a nice even finish. It was a 10 minute job at most. Easy! It will be dry enough to use a few hours later but I generally leave the area overnight to make sure it has dried fully.
I have one further job to do with this sealant before it goes back in the workshop and that is the area behind the taps in the kitchen where the grouting has gone a bit black. It's best to hack a bit of the old grouting out and then fill the bigger gap that this creates. Don't just clag a bit over the top as the problem will surely re-occur.
This is a useful DIY item to have as it allows you to successfully tackle all your internal grouting tasks. You can even get this in different colours to the standard white that we have.