That’s a little help to GFK, please!

Hey guys, I’m now ready with my expansion to accommodate the HTs (Domis) cleverly. A dream would be to install the decent in the A-pillars, away from the stage and so I was looking for myself now a little bit through the forums and am relatively clear in the processing of GFK, but would like to secure it somehow, since this will be my first GFK project. FRAGEN I do here, since just now the big DOBO thread has run or runs. So I take my A-pillars cladding. Bastle mi For example, from GFK and wire scaffolding my HT holder so that it is aligned. Then I cover it with a carrier material such as bed sheets or better probably form fleeces? I water it now with polyester resin and glue the mats with it. I wait until it is hardened and then grind until I have a smooth top vial for varnishing / covering. Is that so far correct? What makes me particularly headache is where I get the stuff. I have a GFK set g Is there really everything there? Tools and so on I am armed to the teeth, have everything there Is there anything else I should/must consider? By reason of security measures or something? Don’t get me wrong, I’ve only read a little bit about the processing of GFK and unfortunately I don’t know anyone who could help me.