Why do you need a Vapour Barrier Under Concrete Slabs - The Structural Why Files aswers the question

Why do concrete slabs need black plastic membranes under them?
What is a vapor barrier under a concrete slab?
Why do you need one?
Welcome to the Cornell Engineers Structural Why Files.
This video also answers these questions:
Do you need to put plastic under a concrete slab in Australia?
Why do you put a polythene vapour barrier under concrete?
Why do you put a plastic vapor barrier under a concrete floor slab in America and Europe?
Should you put a plastic sheet under concrete?
How to install vapor barrier on concrete floor?
What is a polyethylene vapor barrier under a concrete slab?
Protect yourself, your family, and your property from the damaging effects of rising damp and watch this video about #vapour #barriers under concrete slabs.
By the way, the required thickness of the plastic vapour barrier under a concrete slab in Australia is 0.2mm or 200 micrometers.
The other question we get asked is "Do you need a vapor barrier under a concrete driveway slab?" The answer is: NO. You don't. But if you do use a plastic barrier under a driveway it will be good for the concrete.
For more information, also check out our website blog post: https://cornellengineers.com.au/what-...