EUROLAB laboratory provides testing and compliance services within the scope of EN 1107-1 standard. This part of the EN 1107 standard covers the determination of the dimensional stability of flexible plastic-based reinforced bituminous sheets. Reinforced or unreinforced slabs with different bases can also be tested using the standard. It is not applicable to bituminous sheets with metal inner foil or metal coating.
This European Standard is designed for the characterization and classification of bituminous sheets produced or supplied prior to use. The test method relates only to products or, where appropriate, their components and not to waterproof membrane systems consisting of such products and installed in workplaces.
This test is intended to be used in conjunction with the European Standards for product specification for reinforced and unreinforced bitumen sheets for roofing.
This test aims to determine the dimensional changes that occur in bituminous sheets as a result of production-induced internal stresses released under the influence of heat. Excessive dimensional changes can cause harmful stresses in service. This test can be used to measure the essential properties of a bituminous coating directly related to its suitability for waterproofing applications. For the purposes of this standard, the definitions set out in 3.1 and the relevant European Standards for product specifications apply.
The change in length of unconstrained test specimens taken from the bituminous sheet in the longitudinal direction when subjected to a certain thermal load. Given as a percentage (%) of initial length.
The test specimens from the test specimen are subjected to a specific heat load to allow any internal stresses to relax. The resulting dimensional change is measured using an optical or mechanical method.
Optical Method: This method is based on optical measurement of the distance between the marks before and after exposure to a heat load.
Caliper Method: This method is based on measuring the change in distance between two measuring marks using a caliper.
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EUROLABreporting and certification activities, United Accreditation Foundation (UAF), Turkish Accreditation Agency (TÜRKAK) ve Enterprise Accreditation Foundation (EAF) based on the accreditation provided by the accreditation body. The Enterprise Accreditation Foundation (EAF) accreditation body is also a signatory of the United Nations (UN GLOBAL COMPACT) organization.
