Roof Underlayment with structured separating layer – recommended
by leading metal roof manufacturers.

DELTA®-TRELA, recommended by leading metal roof manufacturers, is a vapor permeable underlayment with a structured separating layer for metal-covered ventilated and non-ventilated pitched roofs. It is ideal for use with any sort of metal roof cladding, including titanium zinc, aluminum, stainless steel, galvanised steel and copper. It can also be used in facade applications.

DELTA®-TRELA DELTA®-TRELA
Vapor permeable underlayment combined with structured separation and drainage layer for ventilated and non-ventilated pitched roofs or facades with metal cladding.
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DELTA® is a registered trademark of Ewald Dörken AG, Herdecke, Germany.
DELTA®-TRELA
Cosella-Dörken - servicing all of the Americas
 
Incorporate DELTA® Products into your plans quickly and easily by downloading our design files from CADdetails.com.

Current Tradeshows

World of Concrete
Jan. 24 - Jan. 27, 2011
Las Vegas, NV, USA

International Builders Show
Feb. 8 - Feb. 11, 2011
Orlando, FL, USA

RCI Internation Convention and Trade Show
Mar. 15 - 20, 2012
Dallas, TX, USA

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