Features & Benefits
🧱 Reliable Ventilation Extension – Extends through-wall cavity ventilation for effective airflow from a single airbrick.
🖤 Discrete Black Design – Blends seamlessly with exterior walls for a professional, unobtrusive finish.
💪 Durable Plastic Construction – Tough and flexible material ensures long-lasting performance in external wall environments.
🛠️ Easy Installation – Designed for straightforward fitment with Timloc one-airbrick systems for a secure, reliable setup.
🌬️ Supports Healthy Airflow – Enhances background ventilation, helping to reduce condensation and maintain indoor air quality.

Description
The Timloc 229 x 76mm Through-Wall Cavity Sleeve for one airbrick is a durable, flexible plastic solution for extending ventilation through external walls. Its black finish ensures it blends discreetly with your property’s exterior while providing effective airflow for a single airbrick installation. Ideal for residential and commercial applications, this cavity sleeve helps maintain healthy ventilation, reduce condensation, and ensure efficient background airflow throughout your building.