hi everyone, detailed advice very much needed and appreciated here. im going to be rendering an internal wall downstairs dining room. whats the mix ratios etc for 1st coat 2nd coat, lime or plasticiser etc, also whats the procedure for gettin it ready for final 2 coat skim, ie. do i always use a pvc float in circular motions for polishing or sponge float etc. 1st attempt at using s&c so in depth procedure needed please, thanks