Lap
The edge overlap where membrane rolls are joined over one another. The required width depends on the product but is generally at least 10 cm for bituminous sheets, and greater at details.
The edge overlap where membrane rolls are joined over one another. The required width depends on the product but is generally at least 10 cm for bituminous sheets, and greater at details.
Facing this issue on site?
Request a technical inspectionDefinitions are for general information; product selection and acceptance values are governed by the technical data sheet of the system applied and the project specification.