Plastic Under Concrete Slab

Aci standard 302 1 r 96 guide for concrete floor and slab construction included this recommendation in section 4 1 5.

Plastic under concrete slab.

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. Visit us today for the widest range of building construction products. Check out our range of builders plastic products at your local bunnings warehouse. Covid 19 update to customers our metropolitan melbourne stores will remain open for trade customers only.

Why a plastic vapor barrier under concrete slab mondays withinstall the proper type of vapor barrier siouxland homesare vapor ers necessary for bats and garagesvapour barrier under concrete. Florprufe vapor barriers gcp lied concrete vapor barriers the pros vapor barrier under concrete slab vapour barrier concrete floor problems building concrete vapor barrier what is a. Thin plastic like this is often called a vapor retarder meaning it slows the vapor down but doesn t stop it. If a vapor barrier or retarder is required.

The black plastic sheet that the reinforcement is sitting on is the vapor barrier. Almost everywhere except california that slabs are placed on the ground a plastic sheet a vapor barrier is located directly under the concrete slab and on top of the ground photograph 1. By steve ragan director research and technical services the answer to this controversial question from both angles is a qualified yes vapor barriers have been associated with certain concrete slab on grade problems including curling and cracking. We encourage retail customers to use our click deliver or drive collect service.

This plastic sheet is in direct contact with the concrete as it should be in a rational world. Vapor barriers under concrete floor slabs.