Double wall insulated chimney dedicated to generators

THERM+ GEP is high quality, stainless steel, twin wall, pre-insulated exhaust system.

With a continuously welded liner and outer casing provides a pressure resistant joint for applications up to 5000 Pa positive pressure H1 level at 600°C flue gas temperature (BSEN 1856-1).

Available in 50mm or 100mm insulation, Therm+ GEP has been specially designed for emergency diesel and gas fuel generators. Full range including standard accessories to suit all applications and environments.

GEP 50 is available in 9 diameters (from ø150 ; ø200 ; ø250 ; ø300 ; ø350 ;  Ø400 : ø450 ; ø500 & ø600).

GEP 100 is available in 6 diameters (from ø150 ; ø200 ; ø250 ; ø300 ; ø350 & Ø400)

CE              Ceric Label





Product details


>Wide choice of diameters and accessories

> Easy installation 

> No thermal bridges at the junction of parts

> A 360° rotation of elements

> Locking band with easy safety ringe

All of the products offered by Cheminées Poujoulat have been rigorously tested in every configuration by the CERIC Laboratory to ensure they meet highest standards.




Poujoulat-produit Poujoulat-produit-mobile

Technical data

> Insulation: 50mm

> Insulation: 100mm

> Max. Temperature limitation: 600°C
> CE marking: 0071-CPR-19655

Ø150 to Ø200 T600 H1 W V2 L50 050 O50
Ø250 to Ø350 T600 H1 W V2 L50 060 O50
Ø350 to Ø400 T600 H1 W V2 L50 070 O75


The unique push-fit system developed by Poujoulat avoids the thermal bridges at the connections and allows the free expansion of the inner wall.


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