The 1204 Vertical Extension Sleeve from SB Building Supplies is designed to extend the height of a telescopic underfloor ventilator. It fits seamlessly between the upper and lower parts of the ventilator, enabling it to accommodate a vertical step of 6 to 7 brick courses (approximately 450mm to 525mm). This extension sleeve is ideal for adjusting your underfloor vent’s height, ensuring proper ventilation beneath suspended ground floors and improving airflow. A must-have for any building project requiring enhanced ventilation.
1204 – Vertical Extension Sleeve for Telescopic Underfloor Ventilator | SB Building Supplies
Building Materials, Ventilation£3.49 + VAT
The 1204 Vertical Extension Sleeve fits between the upper and lower parts of a telescopic underfloor ventilator, accommodating a vertical step of 6 to 7 brick courses. Available at SB Building Supplies.
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