Why Do You Need To Protect Concrete After Mixing? Due to the hydration process, the amount of available mix water to form ice crystals continually decreases so there is less risk of permanent damage if the concrete freezes. … To avoid early-age damage from cold weather, protect the concrete as soon as practicable after placing,
How Do You Protect Concrete Surfaces? The surface must be clean and dry to ensure good adhesion. Allow new concrete to cure fully prior to sealing. Seal concrete when the weather is dry and above 50° Always apply sealer in thin layers. Two coats will provide the best protection. Solvent-based sealers are best spray applied.
How Long Does Concrete Have To Set Before Rain? How Long Does Concrete Take to Dry Before Rain? Even if it starts raining after a concrete pour, the potential for damage may not be that serious. If you had time to complete the finishing process and the concrete has stiffened (typically 4 to 8 hours