mapei primer G

**brian c** · 12-01-2009

I was reading up on this product and the technical information says that this product once applied,drys in 2hrs...who waits that long folks before tiling?Do you...i dont?

**faithhealer** · 13-01-2009

Doesn't take that long but is quite a thick consistency if you leave it 'neat'

**whitebeam** · 13-01-2009

Still use bal apd, never tried the mapei one

**tubs** · 13-01-2009

Normally leave it until its dry, which is depending on temperature 30-45 mins, 2 hours is time wasted, its a hard one !!

Leatherface · 13-01-2009

Should leave till mostly dry.
Tip : do priming first on arrival at job,
then sheet up, get tools out of van, set out, have a number 2 and a fag, then a cup of tea : Hey presto walls are ready to tile.
Primer G is primarily designed to combat cementious adhesives reacting with gypsum plaster. You will find that if you are using Mapei tub adhesives that most are self priming, so no need to prime walls.
If the walls are not 100 percent dry then not the end of the world as cementious adhesives will set under water ( & will set on tiles that have just been through wet cutter )

**graham31** · 14-01-2009

Originally Posted by brian c

I was reading up on this product and the technical information says that this product once applied,drys in 2hrs...who waits that long folks before tiling?Do you...i dont?

Long you leave it for Brian?

**brian c** · 14-01-2009

until it gets tacky,mix with 1part primer to 3 part water...it doesnt take 2 hours to dry like they say on the spec but i think they must mean if its applied neat.