EN 12086 Thermal Insulation Products for Building Applications - Test for Determination of Water Vapor Permeability Properties

Material Testing

EN 12086 Thermal Insulation Products for Building Applications - Test for Determination of Water Vapor Permeability Properties

EUROLAB laboratory provides testing and conformity service under the EN 12086 standard. This European Standard specifies equipment and procedures for determining the water vapor transmission rate, water vapor permeability and water vapor permeability of test specimens at steady state under different specified sets of test conditions. Applicable to thermal insulation products.

EN 12086 Thermal Insulation Products for Building Applications - Test for Determination of Water Vapor Permeability Properties

It is intended to be used for homogeneous materials and products that may contain integral coatings or coatings from different materials.

A material is considered homogeneous with respect to its mass distribution if its density is approximately the same, that is, if the measured density values ​​are close to its average density.

This test method is not normally used to determine the water vapor permeability properties of single, discrete vapor barriers (with high diffusion resistance) such as prefabricated films, foils, membranes or sheets due to the length of the test.

For products with a vapor retarder or barrier with a water vapor diffusion equivalent air layer thickness sd  1000 m (see 3.6), other test methods, e.g. IR detection, to measure a single individual vapor retarder or barrier, provided the results meet the following conditions can be used for the values ​​obtained are in the same range as the values ​​measured according to this standard.

The water vapor transmission rate and permeability values ​​are specific to the thickness of the test sample (ie product) being tested. For homogeneous products, water vapor permeability is a property of the material.

EUROLAB assists manufacturers with EN 12086 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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