Fixing and buying guide
VELUX Twin and Combination Flashings 134x140cm EBP UK08 0021B
Who these flashings are for
These flashings are designed for builders, roofers and serious DIY installers working with VELUX rooflights on flat roof, terrace or balcony projects. You need these if you are installing UK08 0021B EBP rooflights and require a watertight seal to prevent water ingress around the rooflight opening.
- Professional roofers installing multiple rooflights
- Builders constructing flat roof extensions or terraces
- DIY customers upgrading flat roof installations with rooflights
Compatibility and configuration
These flashings are engineered specifically for the UK08 0021B EBP roofing system and will not be compatible with other VELUX systems or rooflight models. Before purchasing, confirm your rooflight model is UK08 0021B EBP. Choose twin configuration if you are installing two rooflights side by side; choose combination configuration if you are installing one rooflight or multiple rooflights in a non-adjacent layout.
- Compatible only with UK08 0021B EBP roofing system
- Twin configuration: two adjacent rooflights
- Combination configuration: one or more rooflights in flexible layouts
- Check your rooflight documentation to confirm model number
Size and pack contents
Each flashing measures 134 x 140cm and is manufactured from grade A timber with a finish matched to the EBP roofing system. This size is designed to suit standard UK08 0021B EBP installations. Confirm your rooflight opening dimensions match this size before ordering. The flashing is supplied as a single unit ready for installation.
- Dimensions: 134 x 140cm (50.4 x 55 inches)
- Material: Grade A timber
- Finish: Matched to EBP roofing system
- Supplied as single flashing unit
Pre-installation checks
Before fixing, inspect the flashing for any damage to the timber or finish. Ensure your rooflight opening is clean and free from debris. Verify that the opening dimensions are correct for the 134 x 140cm flashing and that your roofing substrate is sound and level. Check that you have selected the correct configuration (twin or combination) for your rooflight layout. Have all necessary fixings and sealants to hand before beginning installation.
- Inspect flashing for damage to timber or finish
- Clean rooflight opening of debris and dust
- Confirm opening dimensions match 134 x 140cm size
- Verify roofing substrate is level and structurally sound
- Confirm you have selected the correct configuration for your layout