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- Purpose made and pre-formed to guarantee reliable discharge of water.
- Less prone to inadvertent pointing-up than weep holes formed by simply leaving the perp. joint open.
- Integral front grille prevents entry of large nest building insects into the cavity.
- Range of colours to blend with brick or mortar colour: Terracotta, Buff, Brown, Clear, White, Grey, Black or Blue Black
- Individual extension pieces (1144) can be clipped together to create a longer extension.
- 1143 airflow = 165mm2 Free area/unit.
- Satisfies all NHBC requirements.
- Manufactured to BS EN ISO 9001 and BS EN ISO 14001.
- Complies with all relevant Building Regulations.
- Meets all relevant British Standards.
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