€¢ Alaskan® Premium ice melter is recommended for use on good quality; air-entrained concrete for cold weather climates as specified by the portland cement association €¢ Melting snow and ice increases the frequency of the freeze/thaw cycles that can affect all surfaces. Poor quality surfaces may not withstand the stress associated with these cycles €¢ Due to irregularities and inconstancies in finish and porosity; use of ice melter may carry some risk of surface spalling €¢ Use of Alaskan® premium Ice Melter is done at the user€™s own risk €¢ The potential for surface damage can be decreased by promptly removing slush as it is formed €¢ If you are unsure of the quality of your concrete or the suitability of using an ice melter on your surface; use sand to reduce the risk of slips and falls The Alaskan Ice Melt 5Kg Jug for lawn & garden. Fast acting & long lasting."