Fixing and buying guide
VELUX Recessed Flashings W/ Installation Productions 66x118cm EDN FK06 2000
Who this product is for
This recessed flashing is suitable for builders, contractors and experienced DIY installers working on timber window and door installations. It is appropriate for domestic renovation projects, new-build timber-framed houses, commercial buildings, conservatory construction and extension work where proper weatherproofing around window and door openings is required.
- Domestic and commercial applications
- Timber-framed buildings and extensions
- Conservatory installations
- New-build and renovation projects
Compatibility and sizing
This flashing unit measures 66cm wide by 118cm high and is designed specifically for recessed installation around timber windows and doors. It is compatible with F18, F24 and F36 timber grades, which covers the standard structural timber classifications used in UK building work. Before ordering, confirm that your window or door opening dimensions fall within this flashing size and verify your timber grade specification against the product compatibility list.
- Dimensions: 66cm width × 118cm height
- Compatible timber grades: F18, F24, F36
- Recessed installation type
- Check opening size and timber grade before purchase
What is included and pre-installation checks
This product is supplied as a complete flashing unit with installation provisions included. Before fitting, inspect the flashing for any damage in transit and ensure your window or door opening is correctly sized and prepared. The timber frame must be sound, dry and free from rot or movement. Check that the opening is square and level, and that all timber grades match the product specification. Ensure adequate ventilation and drainage provision around the installation area to prevent moisture accumulation.
- Complete flashing unit with installation provisions
- Inspect for transit damage before use
- Verify opening dimensions match flashing size
- Confirm timber is sound, dry and correct grade
- Check opening is square and level
Material and durability
The flashing is manufactured from high-quality weather-resistant material engineered to withstand UK weather conditions and resist degradation over time. This material provides reliable watertight performance and is suitable for long-term exposure to rain, wind and temperature variation. The recessed design allows water to drain away effectively, reducing the risk of pooling or penetration at the window or door perimeter.
- Weather-resistant material for durability
- Designed for long-term UK weather exposure
- Watertight seal performance
- Effective water drainage design