blemishes after water coat Ask your questions and find answers on many subjects relating to plastering and dry lining

[armytouch]

hi,having problems with rough blemishes when plaster drys,how i plaster.
step1-ensure surface clean,remove loose debris.
step2-apply pva to surface.
step3-first coat.
step4-apply second coat when first coat starting to go off,usually after about 15-20 mins.
step5-smooth out second coat.
step6-apply water coat,find painting water over plaster when it going off again after about 20mins covers some of the small recesses.
step7-wet trowel off ecess water starting from top corners down,then top of wall down then side to side.
step8-fill over small bleamishes with watered plaster off trowel.
step 9-leave for about 20 mins and dry trowel off.
Problem i am finding is when the plaster drys there are small,rough blemishes dotted around wall.
what am i doing wrong?
thanks

[jaydavis plasterer]

hi armytouch,
are the blemishes like patches with small dimples like the surface of a golfball? if so it could be because you arent applying enough pressure.
do you have ample lighting when you are skimming if not this could be the reason you arent seeing them earlier.

[armytouch]

hi thanks on which coat you referring on not applying enough pressure last top coat or water coat,cheers