Insulate your roof equipped with solar panels with Doerken

By COM4 - PR Agency Published on Sunday, May 23, 2010 at 02:00 AM

Photo credits : DOERKEN SAS

Today, more and more individuals are equipping their roofs with photovoltaic panels. To ensure perfect insulation, Doerken has developed a special roof underlay, Delta-Exxtrem, which is resistant to temperatures of over 100°C, permeable to water vapor, and windproof.

Batipôle Editorial

NEW DELTA®-EXXTREM PRODUCT: Under-roof screen for enhanced safety under photovoltaic or solar modules

Today, the use of alternative energy sources has become a concern for everyone, whether it's for new construction or renovations. The solar panel market is booming, but it often requires specific features for homes.

The Doerken company has created a roof underlay for home insulation that meets the requirements of photovoltaic or solar panels: DELTA®-EXXTREM.

The specific characteristics of DELTA®-EXXTREM distinguish it from a traditional under-roof screen installed under small-element or metal roofing:

The DELTA®-EXXTREM is compatible with the high requirements of installation under photovoltaic or solar panels integrated into the roof

It is permanently resistant to temperatures up to +120°C

It is highly permeable to water vapor

It can be implemented on continuous supports such as wood-based panels or sheathing.

It can be laid on discontinuous supports such as rafters or trusses and, in association with a vapor barrier on the warm side, directly in contact with the thermal insulation.
It provides wind and water tightness above the thermal insulation thanks to the two integrated self-adhesive edges

Areas of use

for new constructions or renovations
under solar or photovoltaic panels

Technical characteristics

material: polyester non-woven combined with a UV-stabilized coating

breaking strength: approx. 370/270 N/5 cm

(EN 12311-1)

“R” classification: R2

watertightness: waterproof W 1 (EN 13859-1)

Sd value: approx. 0,05 m

permeance: approx. 1,55 g/(m2.mmHg)

temperature resistance: -40°C to +120°C

UV resistance: 12 months