Show concrete silos can be put into good condition Cou concrete crete silos which have softened and ana sloughed glied off on the inside due to the use ose of too little cement or to misi mistakes takes likes in mixing or handling the concrete can be repaired by chipping off the defective material with hammer and cold chisel soaking the co concrete thoroughly several times crushing with a cream like grouting of cement and water then plastering with rich cement mortar if the defective concrete extends clear through the silo walls says a writer in the montreal herald the entire wall can be replaced by cutting cuttin out a section at a time and replacing it with good material when these have set thoroughly the remaining parts can be replaced in the me same way leakage of air through silo walls is 19 a common cause of moldy silage hollow tile tale concrete block and concrete stave silos are often coated with a cement and water wash with the idea of stopping such air leaks but this does little good since any cra cracks acks will open up again as soon as the pressure comes on the walls what la is needed Is a more elastic coating which w will stretch slightly |