Great reliability from the outset.

With DELTA roofing underlay and DELTA air and vapour barriers you always have tailor-made combinations to ensure the insulation you install stays dry.

Ventilated roof with insulation Insulated with rigid sheathing
DELTA tensioned / non-tensioned sub- and sheathing membranes
DELTA-FOL SPF
DELTA-FOL PVG
DELTA air and vapour barriers
DELTA-REFLEX
DELTA-LUXX
DELTA-DAWI GP
Our recommendation
Alternative option

As an air and vapour barrier, we recommend using DELTA-REFLEX / DELTA-REFLEX PLUS or alternatively DELTA’s GP vapour and wind barrier for fitting without reference to DIN 4108.



DELTA® is a registered trademark of Ewald Dörken AG, Herdecke, Germany.
DELTA-Dachüberblick
DELTA-Dachsysteme Dörken GmbH & Co. KG

Sample applications

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Ventilated roof - with insulation

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Ventilated roof - Insulated with rigid sheathing

More Information

Overview Roofing-system

Overview Adhesives Program

Infomaterial/Samples