The highly respected Federal Agency Deutsches Institut für Bautechnik (DIBt)* has certified INTELLO PLUS and DB+, per German testing standard DIN68800-2, for use in unvented assemblies with vapor closed exteriors. Such assemblies include unvented metal roofs, green roofs and gravel roof flat roofs, as well as vapor closed pitched roofs with asphalt shingles, EPDM, TPO etc. With this certification these materials are now officially building code compliant in Germany. As a result it is now possible to design and build assemblies in Germany with vapor closed exterior roofs without any additional sign-offs of local building officials. (The INTELLO certificate is here and the DB+ certificate is here.)
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