I found another technique, Timbermate - sand - sanding sealer - Timbermate again (if it needs it) - more sanding sealer (if you added more Timbermate). I got this from Fletcher custom guitars:
I contacted the owner who I had seen on YouTube and he was really nice about it.
I am having a go at this, I'll let you know how it goes.
Thanks everyone for your help, and BD I might look into that if I do another kit. Thanks again for all the help,
Regards.