A much better approach is a true vapor barrier with characteristics that conform to the requirements of astm e 1745 standard specification for water vapor retarders used in contact with soil or granular fill under concrete slabs.
Concrete plastic sheeting.
Plastic sheeting is a general purpose plastic film for use in a variety of construction and diy projects.
Vapor barrier is sold in rolls.
Spread out each plastic square flat over a dry area of concrete.
Use as many squares as needed to test all the main areas that may get flooring.
12 ft x 400 ft clear 0 31 mil plastic sheeting.
A concrete vapor barrier is simply a sheet of polyethylene plastic visqueen placed directly on top of the sub grade before the concrete floor or slab is poured to help keep moisture from the soil from passing up through the concrete.
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Plastic sheeting is a general purpose plastic film for use in a variety of construction and diy applications.
The hdx 20 ft.
Larger rolls are also available.
Thin plastic like this is often called a vapor retarder meaning it slows the vapor down but doesn t stop it.
Firmly press the tape to create a moisture tight seal with the plastic and concrete.
Cut the plastic with a utility knife or scissors.
This plastic can be used to cover crawl spaces and as a temporary cover for equipment and supplies.
If the temperature is below 60 f use dark colored plastic sheets to absorb more light and boost the temperature.
Tape along all four edges of the square with duct tape or other waterproof tape.
One of the most effective materials to guard against rain is plastic sheeting visqueen.
Check out our range of builders plastic products at your local bunnings warehouse.
Commonly used under concrete slabs as a vapor barrier and on top of freshly poured slabs as a curing blanket.
The hdx 20 ft.
When temperatures are higher than 85 f reflective white colored sheets help to keep the concrete cool as it cures.
This heavy duty plastic can be used to cover crawl spaces and as a temporary cover for equipment and supplies.
The average roll covers roughly 500 square feet.
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Adverse weather conditions such as rain snow or freezing temperatures often make it necessary to protect concrete by covering it.
Plastic sheeting can permanently discolor concrete.
Once you ve purchased the plastic roll it out and trace your measurements onto the plastic with a marker first if you re concerned about your ability to cut straight lines freehand.