Tough, adjustable ventilator for ground floors.
To provide ventilation below suspended ground floors.
Satisfies all NHBC requirements. Complies with all relevant Building Regulations. Meets all relevant British Standards.
Telescopic and adjustable for a step of three, four or five brick courses
Equivalent of 6000 mm² per unit
Special grille included to prevent entry of vermin
Durable, robust and totally resistant to decay
Satisfies all NHBC requirements. Complies with all relevant Building Regulations. Meets all relevant British Standards
1201 Telescopic underfloor vent
Horizontal front extension, to suit +115 mm, black.
Vertical extension sleeve, to suit additional two brick courses, black.
Duct adaptor, to suit 110 mm diameter duct, black.
Horizontal rear extension, to suit +100 mm, black.
|Standard product features|
- Horizontal front extension sleeve:
Fits between the airbrick and upper front opening of the telescopic underfloor ventilator to accommodate external walls of more than 102.5 mm thickness, up to a maximum of 215 mm.
- Vertical extension sleeve:
Fits between the upper and lower parts of the telescopic underfloor ventilator to accommodate a vertical step of more than five brick courses.
- Duct adaptor:
Fits on to the lower rear opening of the telescopic underfloor ventilator to allow a standard 110 mm external diameter plastic underground drainage pipe to be connected via a coupling connection.
- Horizontal rear extension sleeve:
Fits into the lower rear opening of the telescopic underfloor ventilator to accommodate cavity widths between 50–150 mm or internal walls of more than 100 mm thickness, up to a maximum of 200 mm.