Reliable protection from unwanted moisture migration - combined with reduced energy losses.

DELTA® vapor and air barriers provide increased protection levels against undesirable movement of moisture and air through the building enclosure. At the same time they help to save energy.

DELTA®-REFLEX DELTA®-REFLEX
The high-performance, energy-saving Vapor and Air Barrier for ultimate protection and efficiency.
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DELTA® is a registered trademark of Ewald Dörken AG, Herdecke, Germany.
DELTA Vapor and Air Barriers
Cosella-Dörken - servicing all of the Americas