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...Read More