VELUX GGU White Polyurethane Smoke Ventilation System - All Sizes UPOLKI257801 Removes all types of grime

Removes all types of grime

and it is the only cowl for disused chimneys that guarantees 100% protection against rain

BritLock slates are available in 3 appealing colours and can be laid at pitches as low as 17

Minimum Pitch: 15°

highly durable and designed to weather pipes through flat or pitched roofs

VELUX GGU White Polyurethane Smoke Ventilation System - All Sizes UPOLKI257801 Removes all types of grimeThe VELUX Smoke Vent Window Package Includes: 1 x GGU 007040D Electrically Operated White Polyurethane Smoke Vent window 1 x EDW 2000 Tile Flashing or EDL 2000 Slate Flashing including Insulation & Underfelt (please select from drop down menu) 1 x KFC 305 EU Control System 1 x KFA 100 WW Smoke Detector 2 x KFK 300 WW Break glass points Description: Natural smoke and heat exhaust ventilators are typically used in common access areas such as stairwells