Bituminous waterproofing sheets. Determination of length, width, and straightness. Part 1: Bituminous waterproofing sheets for roofing

This technical specification outlines the procedures for measuring the length, width, and straightness of bitumen-based waterproofing membranes intended for roofing applications. It defines the specific test methods required to assess dimensional accuracy and linearity of these flexible materials. The document focuses exclusively on the measurement techniques applicable to asphalt-based rolls used in construction for waterproofing purposes. It provides detailed guidelines on the equipment and environmental conditions necessary for conducting precise assessments. The standard addresses the critical parameters that ensure the manufactured materials meet required performance criteria for installation. It covers the methodology for evaluating physical dimensions across various product specifications. This approach allows for consistent quality control and verification during production and inspection processes. The content is designed to facilitate uniform testing practices within the relevant industry sector, ensuring reliable data for compliance checks. All procedures described aim to minimize variability in measurement outcomes for different batches of roofing membranes.