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Cavity Liners
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£2.66 £2.22Timloc Vertical Extension Piece 150mm
Ref: BVEN156
- Adjustable to achieve a step of 5 or more courses
- Can be stacked
- Lightweight
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£3.35 £2.79Timloc Cavity Sleeve (Single Air Brick)
Ref: BVEN157
- Provides an unrestricted free airflow (maximum equivalent area of 6170mm²)
- Tough yet flexible external wall ventilators to provide ventilation through external walls to the building interior
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