Manthorpe Cavity Extension Sleeve

The Manthorpe Combination Cavity Sleeve is designed to provide ventilation through standard cavity or solid brick walls using Manthorpe's Airbrick. This versatile unit can be stacked to create alternative sizes of 9" x 6" and 9" x 9", and it telescopes to accommodate cavity widths ranging from 50mm to 100mm. Additional product units can be added for further extension if needed. The Combination Cavity Sleeve features an integral wind baffle that effectively reduces drafts while maintaining optimal airflow. It can also serve as an extension to the Telescopic Underfloor Ventilator for external leaves with greater depth. Multiple units can be joined together for deeper wall installations.

Features:

• Suitable for ventilating standard cavity or solid brick walls
• Can be stacked to create 9" x 6" and 9" x 9" combinations
• Telescopes to fit cavity widths of 50mm to 100mm
• Integral wind baffle reduces drafts
• Acts as an extension to the Telescopic Underfloor Ventilator
• Multiple units can be joined for deeper wall installations