Bypass shaft element Skobifix XXs with ventilation grille, DN 80

• Shaft element made of special geopolymer foam with groove and spring system for fast construction
• Flue gas pipe in F30 lightweight shaft for gas and oil condensing boilers in detached houses
• Suitable for new builds, conversions and renovation work.
• Used as a shaft in buildings or in thermal insulation systems in facade insulation

• For installation in thermal insulation system (required for flue gas lengths over 5 metres)
• Consisting of:
- 1 x shaft element
- 1 x plastic flue gas pipe, 250 mm
- 1 x ventilation grille