Silver White Wall Putty White cement based putty for luxurious and silky interior/exterior finish of your dream home Silver White Wall Putty is White Cement based putty for cement plastered walls and ceilings. Silver White Wall Putty is used to fill the uneven surfaces of cement plastered walls and concrete walls. Application of Silver White Wall Putty provides smooth and strong finish to the walls for further application of all kinds of paints. The smooth finish gives better look to interiors and exteriors.