Seal joints and gaps against water, air and dust and fix components without screws.

Chimney connector GZK Fakro
Key features
- Gzk avAdjustable universal fitting, for chimneys up to 45 cm wide and 180 cm long (along the slope)
- Gzk as 38Fixed fitting for chimneys up to 38 cm wide, maximum length 100 cm
- Gzk as 51Fixed fitting for chimneys up to 51 cm wide, maximum length 100 cm
- GzmAdditional 1-linear-metre extension module, for longer flues
What it is
Chimney connector GZK Fakro. Key specifications: gzk as 38 Fixed fitting for chimneys up to 38 cm wide, maximum length 100 cm, gzk as 51 Fixed fitting for chimneys up to 51 cm wide, maximum length 100 cm, gzm Additional 1-linear-metre extension module, for longer flues.
Sealing fittings make a joint watertight: PTFE tape and washers for threads and, for roof windows, the flashings between frame and roof covering.
What it is for
Used for waterproofing roofs, terraces and below-ground structures and for roof maintenance.
How to use it
Wrap PTFE tape tightly around the male thread, in the direction of tightening, before screwing on the fitting; choose a washer of the right diameter and fit it clean and untwisted. Choose the roof window flashing according to the type of roof covering and fit it after the frame, working from bottom to top and overlapping the pieces as shown in the instructions.
Where it is used
- Residential construction
- Renovation
Technical data
- Gzk as 38: Fixed fitting for chimneys up to 38 cm wide, maximum length 100 cm
- Gzk as 51: Fixed fitting for chimneys up to 51 cm wide, maximum length 100 cm
- Gzm: Additional 1-linear-metre extension module, for longer flues
Who it is for
Designed for formwork carpenters, waterproofing specialists and building maintenance operatives.
Related products
- Connector for deeply profiled corrugated roofing EHN-A Fakro
- Connector with additional thermal insulation EHN-AT Thermo Fakro
- Elbow connector — from the category Galvanised Pipe Fittings
- Centre-pivot window PTP-V/GO U3 Fakro — from the category Roof Windows and Skylights
- 45° pipe wrench Fervi — from the category Plumber's Wrenches
- Browse the whole category: Sealing Fittings
Before you order
Tell us the quantities you need and the intended use: if there is a more suitable version, or an equivalent available sooner, we will let you know.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Specifications 4
| Gzk av | Adjustable universal fitting, for chimneys up to 45 cm wide and 180 cm long (along the slope) |
|---|---|
| Gzk as 38 | Fixed fitting for chimneys up to 38 cm wide, maximum length 100 cm |
| Gzk as 51 | Fixed fitting for chimneys up to 51 cm wide, maximum length 100 cm |
| Gzm | Additional 1-linear-metre extension module, for longer flues |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Fix, assemble, repair and seal without screws or glue on wood, metal and walls.
Stop water and vapour on balconies, terraces and roofs by forming a continuous layer.



