Ventilation building regulations have recently changed in England and Wales. Although this vent supports compliance, we would urge you to read our handy guide before you purchase which summarises the new requirements. 

These external flyscreens can be fitted in an overframe profile section or through the head of the window where a standard external hood may hamper the opening mechanism. Used in conjunction with the internal section of a Yale SlotVent, they provide an effective through frame background ventilation solution for a healthy indoor climate, while keeping flies and bugs out.

Key features:

• Flyscreen prevents flies and bugs from entering the property
• Designed and tested to comply with The Building
• Regulations England and Wales requirement F - Means of Ventilation and the Scottish Building Regulations Standard 3.14 (for further info please read our handy guide)
• Made from durable, UV-resistant ASA resin
• Available in 2 sizes; 2000mm² EA & 2500mm² EA
• Available in 4 colours: Anthracite Grey RAL 7016, Brown RAL 8022, White RAL 9016, Bright White RAL 9003

Performance:

• BRE tested in accordance with BS EN 13141-1:2019
• BRE acoustically tested in accordance with BS EN ISO 10140-2
• 10-year guarantee

Dimensions:

• 2000mm² EA Fly screen size: 176mm (L) x 19mm (H) x 2.7mm (D)Slot size: 166mm x 13mm
• 2500mm² EA Fly screen size: 214mm (L) x 19mm (H) x 2.7mm (D)Slot size: 204mm x 13mm

Ordering:

• Available in 2 sizes (2000mm² EA & 2500mm² EA) to work with the 2500mm² EA, 4000mm² EA and 5000mm² EA Yale internal SlotVents. E.g., you’ll need to order 2 x 2000mm² EA flyscreens for use with a 4000mm² EA internal vent and 2 x 2500mm² EA flyscreens for use with a 5000mm² EA internal vent