DELTA®-TRELA Underlayment for Metal Roof CladdingsThis residential residence in Hagen, Germany, was designed with a high-end zinc roof cladding that was installed over DELTA®-TRELA to enable drainage of condensation water and backside ventilation for the zinc panels to prevent corrosion.
Around 900 m² of DELTA®-TRELA, a highly vapor permeable underlayment with integrated structural separation layer, were installed.








ASLA
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Remodelers Expo
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Cleantech and Green Building Showcase
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Building Envelope Solutions
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