Unobtrusive design, virtually unseen on the roof
Suitable for low and high level ventilation, soil pipe and mechanical
Driving rain performance tests carried out by BRE 1997
4mm integral grill prevents large insect ingress
Underlay integrity maintained by side lap protectors
Quick and easy to install
Suitable for both new and refurbished roofs
Minimum pitch 20 degrees
Top Cover Natural Slate
Fixings 2 Copper Nails, 1 Stainless Steel Hook
Free Ventilation Area 10,000mm2
At ridge or high level, to achieve 5,000mm2
per linear metre- One Emperor slate ventilator every 2 metres.
At eaves or low level, to achieve 10,000mm2
per linear metre - One Emperor slate ventilator every 1 metre.
Colours: Full range available
Roof Space Ventilation
Complies with Building Regulations F2, 1985 Approved
Document 1990 and BS 5250 1989, in all designs aspects and provides
a weatherproof ventilation path from the roof void to the outside without
impairing the weatherproof function of the structure.
Soil Pipe Ventilation
Complies with Building Regulations H1, 1985 Approved
document, 1990 and BS 5572, 1978. Code of practice for Sanitary pipework
with regard to soil pipe ventilation.
Complies with Building Regulations in F1 and F2,
1990 and BS 5750, 1979, airflow resistance at 108m3/hr (30 litres/sec-50
The vent cannot be used for the extraction of hot
gases. The information given is for general guidance only, please
China Slate Ltd for further advice.