Builders Film (Plastic PB24) 4m x 50m 200µm 4m x 50m High Impact Polyethylene Builders Film (or builders plastic) is typically used under concrete as a moisture barrier. In some areas of Australia, building code specifies the use of a high-impact builders film. Whilst the film is still 200 micron thick, the film has higher impact resistance and strength than standard builders film. ** Also available: 300µm
