Fixing and buying guide
VELUX Insulation Collar 134x140cm BDX UK08 2000
Who this product is for
This insulation collar is designed for builders, timber framers, and serious DIY customers installing or upgrading timber-framed roof and wall construction. It is suitable for anyone seeking to improve building envelope integrity, reduce air infiltration, and protect structural timber from moisture ingress in new builds or renovation projects.
- Professional timber framers and roofers
- Builders working with timber-framed construction
- DIY customers upgrading insulation and air-tightness
- Projects requiring compliance with modern building envelope standards
Sizing and compatibility
The collar measures 134×140cm and is designed for timber lengths up to 4m. Check your timber dimensions before ordering to ensure the collar will fit securely around your beams or structural elements. The collar is engineered specifically for timber framing applications in roof trusses and wall construction, so confirm your application falls within these uses.
- Dimensions: 134×140cm
- Maximum timber length: 4m
- Suitable for roof trusses, wall construction, and timber framing
- Verify timber dimensions match collar sizing before installation
Installation and preparation
The VELUX Insulation Collar is designed for straightforward installation around wooden beams and structural elements. Position the collar around your timber before or during framing to create a secure seal. The durable, wear-resistant finish is engineered to withstand the demands of building envelope use and maintain performance over time. Ensure the timber surface is clean and free from debris before fitting to achieve a tight seal.
- Install around timber beams during roof or wall framing
- Ensure timber surface is clean before fitting
- Position collar to create a complete seal around the beam
- Durable finish resists wear in exposed building envelope conditions
What is included
You are purchasing one VELUX Insulation Collar (BDX UK08 2000) measuring 134×140cm. This single collar is ready to install around timber lengths up to 4m. For larger projects requiring multiple collars, order the quantity needed for your application.
- One insulation collar, 134×140cm
- Suitable for timber lengths up to 4m
- Order additional collars as required for your project