The VELUX BFX Sun Tunnel 1000 Underfelt Collar was designed to specifically reduce the risk of condensation forming between the roof and your sun tunnel. There are two sizes depending on if you have a 14" or 10" sun tunnel to fit it with.
The quality material ensures a weathertight seal is formed keeping tight to the membrane ensuring a strong and effective seal is created.
Features & Benefits
- Reduces heat loss
- BFX underfelt collar supplied
- Eliminates cold bridges
- Weathertight seal
- Quick & easy to install
- 10-year guarantee
Available in sizes: 10" 0K10 and 14" 0K14
0K10 to suit VELUX TLR 0K10 2010 and TWR 0K10 2010 sun tunnels
0K14 to suit VEKLUX TLF 0K14 2010, TLR 0K14 2010, TWF 0K14 2010 and TWR 0K14 2010 sun tunnels
Payment & Security
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