The EN 28394 standard, a European standard, defines a test method to determine the extrudability (flush property) of a one-component sealant from the packages from which they are usually supplied for direct application to a building joint. This test method is only used to test the workability of a solvent.
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Later, the International Standards Organization (ISO) developed the ISO 8394 standard based on this standard. This standard has been published in two parts with the following titles:
For the purposes of the EN 28394 standard, the definitions given in the ISO 6927 standard are valid.
The principle of the EN 28394 standard is based on the extrusion of the sealant from the package supplied by the manufacturer into the water, under certain conditions, by means of compressed air. Extrudability is reported as the volume extruded over a period of time.
Conventional structures use bulk walls and drainage channels to absorb and pour water before it reaches their interior surfaces. Modern structures, on the other hand, use lightweight masonry, rain screen, plaster and curtain wall systems, which are affected by building movements such as thermal expansion, settling, creep, sway, differential slab edge deflections, and rely heavily on sealing joints to provide airtightness. To maintain its effectiveness, sealant joints must be maintained and replaced periodically.
If a sealing joint fails, it adversely affects the building envelope and the performance of the structure and interior linings. It is important to ensure that quality products are selected and installed correctly. Costs caused by failed sealants and frequent remedial work can be incurred many times over the life of the building. pays for itself.
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our company also provides testing services to determine the extrudability of one-component sealants used as joint products in building construction within the scope of EN 28394 standard, with its trained and expert staff and advanced technological equipment. gives.
To get an appointment, to get more detailed information or to request an evaluation, you can ask us to fill in our form and reach you.
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