All India basis on going new projects of expose brick work ,expose concreete work, expose sand stone,dhaulpur stone,banswara stone,red stone or agra stone work preapring the surface with high pressure water jet cleaning then applying watter repplent water base silane siloxane of GE make.Even cleaning of old structure of same type getting dirty by rains getting fungus and blackness from pollutions and treating them with water repplents after cleaning so they remain same for 5-7 yrs.And filling joints of 1mm-60mm with back up road and silicone sealents of reputed make on stone to avoid bleedness of silicone oil of normal sealent using high gread non bleeding sealent of GE(momentive performance chemicals)