what sponges ?

[merseyrend]

hi guys advice please , regardeing sponges,, mostly rubbing up thin coatsystems, usually car sponges or the gyproc dry wall sponge usually works okay but recentlet using hason or heck not so good!!! polish kids on site using dekor sponge but nightmare to texture as base showing through top coat , any advise as mostly covering rock wool

 

[goody]

You mean sponging the basecoat ready for top coat? Rockwool's spongy stuff better with two coats for strength/flatness. Have done 1 coat on it tho and the orange plastering sponges are fine with silcoplast 1.5mm finish. It's better with 1st coat sponged and 2nd tight coat spatted.