Fixing and buying guide

What this product is and who it is for

This is a purpose-engineered flashing kit for VELUX PK08 roof windows installed in pitched tile roofs. It is intended for professional installers and experienced DIY builders working on new build or refurbishment projects where a weather-tight seal and neat roof finish are essential. The kit combines the flashing frame with all necessary installation products, reducing the need for separate component sourcing.

Compatibility and sizing

This flashing kit is specifically designed for the VELUX PK08 window format only, which measures 94×140cm. The flashing dimensions are 942×1400mm and the 120mm tile flashing depth is engineered for standard pitched tile roofs typical of UK construction. Before ordering, confirm your roof window size matches PK08 and that your roof pitch falls within typical UK specifications; if your roof has an unusual pitch or non-standard tile profile, consult technical guidance or contact VELUX support.

• Window size: PK08 (94×140cm) only
• Flashing dimensions: 942×1400mm
• Flashing depth: 120mm standard tile flashing
• Application: Pitched tile roofs, new build and refurbishment

Pack contents and pre-installation checks

The kit includes the EDW PK08 2000 flashing frame and BDX 2000 installation products, providing everything needed for straightforward site assembly. Before installation, inspect all components for damage in transit, confirm the flashing dimensions match your roof opening, and verify that your roof structure is ready to receive the window. Check that the surrounding tiles and roof deck are sound and that you have adequate working space around the installation area.

• EDW PK08 2000 standard tile flashing included
• BDX 2000 installation products included
• All components pre-sized and ready for assembly
• Inspect for transit damage before fixing

Installation and fixing

This is a professional-grade product requiring careful installation to achieve a weather-tight seal. The flashing must be positioned and secured according to VELUX installation instructions, with proper integration into the tile roof and underlying roof structure. The 120mm depth is designed to work with standard tile profiles and roof construction methods. Ensure all installation products supplied in the kit are used as specified, and follow the step-by-step guidance provided with the flashing to guarantee performance and warranty compliance.