When plastic sheeting is used over flat surfaces such as pavements or slabs it should extend beyond the edges of the slab by a length of at least twice the thickness of the slab.
Curing concrete with plastic sheeting.
You may have seen fresh concrete covered with plastic while it is curing.
Curing concrete with plastic sheeting requires covering all exposed areas of the concrete as soon as possible without damaging the concrete finish.
Sometimes concrete work is carried out in some inaccessible difficult or far off places.
Curing compounds are chemical products usually sprayed directly over the concrete.
Either polyethylene sheeting that s at least 4mm thick or a concrete curing insulating blanket both available from diy stores are good for this task.
Curing concrete with plastic sheeting requires covering all exposed areas of the concrete as soon as.
Two common types of membrane curing are.
For this reason concrete could be effectively covered with a plastic sheet so that it seals the evaporation of water from concrete.
A plastic polyethylene covering retains moisture in the concrete and improves temperature control.
The drying or curing should be gradual otherwise cracking may occur.
Should you cover concrete with plastic to help curing.
Covering the curing concrete with plastic keeps it cleaner but there is a more important purpose behind this practice.
The curing concrete with plastic sheeting after a short spell of water curing for one or two days is sometimes beneficial.