Description
Refurbishment ventilator for existing roof spaces. Increases the level of ventilation in a roof space by separating lap joints in felt and membrane.
Size mm=280 x 205
Material=Plastic
Colour=White
Type=Lap Vent
Discrete profile design
Easy Installation
2 spring clips to secure each unit
3000mm2 additional free vent area per unit
Suitable for rafter spacings from 400-600mm centres
Can be fitted retrospectively after increased loft insulation
