TC20HCWL – Rytons 9×9 Cowled Ventilation Set with Hit & Miss Ventilator
- General Details
- Related Products
- Telescopic cavity liner set with external cowl for background room ventilation.
- Allows the introduction of fresh outside air into the room to disperse moisture, odours and other airborne pollutants.
- External cowl protects against excessive weather conditions and alleviates air blasts through the cavity.
- Telescopic cavity liner contains a system of internal baffles to reduce light and draughts.
- Internal hit & miss grille manually adjusted with a sliding action allowing ventilation to be controlled as required.
- Cowl, air brick and hit & miss grille U.V. stabilised to slow down the effects of sunlight.
- External water baffles prevent transfer of water across the cavity.
- 27,000mm² (270cm²) per set (tested to BS EN 13141-1:2004 and independently verified by the BRE).
- Cowl: 274mm L x 235mm H x 103mm D.
- AirLiner sleeve: 220mm W x 207mm H, extends from 250mm to 404mm L (including air brick) (see image gallery).
- Hit & Miss grille: 271mm L x 247mm H.
- Terracotta: TC20HTCWL.
- Buff/Sand: TC20HBCWL.
- White: TC20HWCWL.
- White hit & miss grille.
- Cowl and hit & miss grille: U.V. stabilised high impact polystyrene.
- Multifix Air Brick: U.V. stabilised polypropylene.
- AirLiner sleeve: Polypropylene.
- AirLiner sleeve contains recycled plastic.
- No special fixing required. Build in the cavity liner with fitted air brick as work proceeds. Extend the telescopic sleeve as necessary. Fasten the cowl to the brickwork. Fasten the hit & miss ventilator internally.
- To comply with Building Regulations Part F the ventilator should be sited not less than 1.7m above floor level.
- Box quantity: 1 set.
- Box size: 27.5cm W x 28.5cm H x 27cm D.
- Box weight: 1.57kg.
- Equivalent area tested to BS EN 13141-1:2004 and independently verified by the BRE.
- Also refer to: The Building Regulations 2000, Approved Document F,
- The Building (Scotland) Regulations, Mandatory Standard 3.14,
- The Building Regulations (Northern Ireland) 2000, Technical Booklet K,
- British Standard BS 5250.
NBS Plus Specification:
30,000mm² (300cm²) Equivalent Area