Hi Sam, i've got salts on my chimney and its wet in the alcoves either side. A damp proofing company I know, PCA registered has advised they are going to spray TG500 on the brickwork, and then slurry it. Have you ever heard of TG500 being used?
Thanks Sam appreciate the response. Having it done this month. Also getting some Passifier vents put in, on your recommendation. Builder also wants to put in some hit and miss vents, just to double up.@@dampsam