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BSI BS EN 17990:2025

Thermal insulation and energy economy in buildings. Method to determine the durability of bondings with adhesive tapes and adhesive masses for the establishment of airtight layers under climatic conditions representative for indoor environments
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BSI BS EN 17990:2025

Thermal insulation and energy economy in buildings. Method to determine the durability of bondings with adhesive tapes and adhesive masses for the establishment of airtight layers under climatic conditions representative for indoor environments

PUBLISH DATE 2025
PAGES 32
BSI BS EN 17990:2025
This document specifies methods to determine the durability of bondings, prepared by means of adhesive materials (e.g. adhesive tapes and adhesive masses), for the establishment of airtight layers under climatic conditions representative for indoor environments based on test methods with and without ageing. The methods provided in this document require at least 120 days for aging and are therefore not suitable for a short time evaluation nor can they be applied to in-field testing. This document excludes test methods for external weathering or UV exposure, even though this might occur during the construction phase. The following typical applications are distinguished: - bonding of the overlap of flexible airtightness layers; - bonding of flexible airtightness layers to construction products and penetrations; - establishment of airtightness layers by means of sheet materials and adhesive tapes. This document does not apply to test methods for: - pre-compressed sealing tapes and sealing profiles which will be mechanically secured; - butyl-based adhesive tapes or adhesive masses; - sheet joints of wood-based panels or gypsum plasterboards with adhesive masses or filler systems; - bondings of bitumen membranes or of bitumen membranes to construction products; - bonding of self-adhesive membranes; - adhesive masses from reels. Adhesive masses from reels are cured viscoelastic adhesive masses, which are used in the same field of application as adhesive masses. The tack is not addressed. It does not allow any conclusion on the durability of a bonding.
SDO BSI: British Standards Institution
Document Number EN 17990
Publication Date June 17, 2025
Language en - English
Page Count 32
Revision Level
Supercedes
Committee B/540
Publish Date Document Id Type View
June 17, 2025 BS EN 17990:2025 Revision