Product information
Cavity wall weeps & vents
Multi-function products for discharging water from external walls
Use
Any situation where water must be discharged from an external wall, e.g:
Ventilating cavity voids
At ground floor slab level
Within cavity tray systems
Over external lintels
Where a cavity must be ventilated
On external walls – 100mm or more in thickness – built from brick, block or stone.
Features & benefits
Purpose made and pre-formed to guarantee reliable discharge of water
Free vent area 165mm2 for part code 1143
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 when using product 1143
4mm wide front aperture prevents entry of large nest building insects into the cavity when using product TW1
Range of colours to blend with brick or mortar colour (products 1143 and TW1 only)
Can be made up to any length required using 50mm extension pieces part code 1144
Quality
Satisfies all NHBC Standards 2008 Edition
Manufactured to BS EN ISO 9001 : 2008
Complies with all relevant Building Regulations
Meets all relevant British Standards
Video
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