Fixing and buying guide
EDU MC08 1500 Slate/plain tile flashing,for GCL Heritage window,black,78x140
Compatibility and suitability
This flashing is engineered specifically for GCL Heritage windows and is designed to work with pitched roofs covered in slate or plain tiles. Before purchasing, confirm that you are installing a GCL Heritage window and that your roof covering is slate or plain tiles rather than concrete interlocking tiles or other materials. The 78×140mm profile is sized to suit the standard GCL Heritage window frame dimensions and the typical overlap requirements for tile flashings.
- Compatible only with GCL Heritage windows
- Suitable for slate and plain tile roof coverings
- Designed for pitched roof installations
- Not suitable for flat roofs or other window brands
What you receive and dimensions
Each flashing measures 78mm wide by 140mm in length and is finished in black metal. The compact profile is designed to sit neatly between the window frame and roof tiles without creating unsightly bulges or gaps. Check the dimensions against your window opening and roof tile layout before installation to ensure proper fit.
- Single flashing unit per pack
- Dimensions: 78mm × 140mm
- Black finish
- Standard metal flashing construction
Pre-installation checks
Before fitting, inspect the window opening and surrounding roof area. Ensure the GCL Heritage window frame is correctly positioned and level. Check that the roof tiles around the opening are sound and that you have adequate access to work safely at height. Confirm that the flashing will sit correctly between the window frame and the tile courses above and below the opening. Have mortar, sealant, or appropriate fixings ready according to your roof type and local building practice.
- Verify window frame is level and correctly positioned
- Check roof tiles are sound and undamaged
- Ensure safe access and working conditions
- Gather mortar, sealant, and fixings before starting work
Installation overview
The flashing is positioned to overlap the tile course below the window opening and to sit under the tile course above, creating a stepped weatherproof barrier. It is typically bedded in mortar or secured with appropriate fixings to both the window frame and the roof structure. The black finish should blend with the roof, and careful installation ensures water is directed away from the window frame and down the roof slope. Follow the specific fixing instructions provided with the window and flashing, as installation methods may vary depending on your roof construction and local building standards.
- Flashing overlaps lower tile course and sits under upper course
- Typically bedded in mortar or mechanically fixed
- Directs water away from window frame
- Follow manufacturer instructions for your specific installation