Fixing and buying guide

What this product is and who needs it

These flashings are timber sealing components that fit around the edges of Velux roof windows. They are essential for any Velux roof window installation where you need to create a secure, weather-tight seal between the window frame and the roof structure. Builders, roofers, and experienced DIY installers carrying out Velux window installations will need these flashings to complete the job properly and protect against water damage.

Sizing and compatibility

The 134x98cm size is designed for standard UK Velux roof window installations. Before ordering, confirm that your Velux window model is compatible with this flashing size. These flashings are suitable for use with various roof configurations and pitches. Check your Velux installation documentation to verify the correct flashing size for your specific window model, as different window sizes require different flashing dimensions.

• Dimensions: 134x98cm (50.75 x 38.6 inches)
• Timber grade: F16 or higher
• Suitable for multiple roof pitches and configurations
• Confirm compatibility with your Velux window model before purchase

Installation and preparation

These flashings are installed around the perimeter of the window opening to create the weather-tight seal. Installation should follow Velux guidance documentation. The timber can be cut to size on site using standard hand tools such as a saw or mitre box, allowing you to adapt the flashings to your specific roof opening dimensions. Ensure you have the correct Velux installation instructions for your window model before beginning work.

• Install around the complete perimeter of the window opening
• Can be cut to size using a saw or mitre box
• Follow Velux installation guidance for your specific window model
• Timber grade F16 or higher ensures durability and weather resistance

Pre-installation checks

Before fitting these flashings, verify that your Velux window model is compatible with this 134x98cm flashing size. Inspect the timber for any damage in transit. Ensure you have the manufacturer's installation instructions for your specific Velux window, as installation methods may vary. Check that your roof opening dimensions match the intended use of these flashings, and confirm you have appropriate tools available for cutting and fitting if required.