before encapsulation
This area needs to be sealed with a vapor barrier.
Drainage matting
Delta MS is used to add drainage matting and protect the Cleanspace liner.
Terra Block insulation
A layer of insulation goes down next.
SmartJacks and Supplemental Beam
Galvanized SmartJacks will support a supplemental beam to fix the sagging floors.
Encapsulation with Cleanspace
Finally, the area is encapsulated with a vapor barrier called Cleanspace. In the middle of the picture is a product called Smartdrain. THis will collect any water if there is a plumbing leak and sound an alarm as soon as water hits it.