9X9 White Light Draft Telescopic Airliner Vent Set With Flush Louvre
- Telescopic cavity liner set for ventilating boilers, stoves and fires.
- Contains a system of internal baffles to reduce light and draughts.
- Finished with a fixed open louvre ventilator internally.
- External water baffles prevent transfer of water across the cavity.
- Air brick and louvre grille U.V. stabilised to slow down the effects of sunlight.
- HETAS approved for use with solid fuel appliances.
Equivalent Area:
- 26,500mm² (265cm²) per set (tested to BS EN 13141-1:2004 and independently verified by the BRE).
Size:
- AirLiner sleeve: 220mm W x 207mm H, extends from 250mm to 404mm L (including air brick) (see image gallery).
- Louvre grille: 271mm L x 247mm H.
Composition:
- Multifix Air Brick: U.V. stabilised polypropylene.
- AirLiner sleeve: Polypropylene (contains recycled plastic).
- Louvre grille: U.V. stabilised high impact polystyrene.
Installation:
- No special fixing required. Build in the cavity liner with fitted air brick as work proceeds. Extend the telescopic sleeve as necessary. Fasten the louvre ventilator internally.
Reference Material:
- Equivalent area tested to BS EN 13141-1:2004 and independently verified by the BRE.
- Also refer to: The Building Regulations, Approved Document J,
- The Building (Scotland) Regulations, Mandatory Standard 3.21,
- The Building Regulations (Northern Ireland), Technical Booklet L,
- British Standard BS 5440-2,
- British Standard BS 5871-3 (decorative fuel effect gas fires).
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