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Normas BSI – AENOR
BS EN 1109:2013

BS EN 1109:2013

Flexible sheets for waterproofing. Bitumen sheets for roof waterproofing. Determination of flexibility at low temperature

Fecha:
2013-05-31 /Confirmed
Comité:
B/546
Equivalencias internacionales:

EN 1109:2013

Relación con otras normas BSI:

Reemplaza a: BS EN 1109:2000

Resumen:
This European Standard specifies the determination of flexibility of bitumen sheets at low temperatures. The test can be carried out on the upper or lower face of the sheet either at a predetermined temperature or successively at different temperature steps to determine the cold bending temperature which represents a limiting temperature. Therefore, the test can be used to confirm a minimum cold bending temperature for a product or to determine the specific cold bending temperature for the product e.g. to determine the change of these properties as a result of artificial ageing. In the case of sheets with the same bituminous compound on both sides and where the reinforcement is placed in the cross section visually closer to the upper surface, the test is performed on the bottom face only. If the upper surface is covered with a non woven (e.g. tissue, fleece etc.) or metal facing, the test is performed on the bottom side only. If the sheet on the upper surface is covered with permanent light surface protection and where the reinforcement is placed in the cross section visually closer to the upper surface, the test is performed on the bottom side only.
Keywords:
Reproducibility, Type testing, Thermal testing, Low-temperature testing, Bend testing, Bitumens, Sampling methods, Roof coverings, Reinforced materials, Specimen preparation, Mechanical testing, Waterproof materials, Ageing tests, Test specimens, Construction materials, Test equipment, Bituminous products, Testing conditions, Flexible materials, Flexibility, Sheet materials
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