What is the best additive to put in the water to mix into the mortar to repair damp walls? Ask your questions and find answers on many subjects relating to plastering and dry lining

[neald]

i have had a damp problem in my living room which has now had a new damp course,i have taken all the plaster off the wall down to the brick,what is the best additive to put in the water to mix into the mortar that i am going to repair the wall with? thanks neald

[welsh brickie]

I would use limelight plaster no waterproof admix needed or required.It comes in bags just add water.