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This guide is for builders, contractors, and DIY enthusiasts working on brickwork requiring ventilation and drainage. The B&Q G951 Terracotta Brick Tunnel Weep Vents offer a discreet and effective solution for cavity wall moisture management, satisfying NHBC standards. While highly effective, their installation requires careful mortaring to ensure proper function and a clean finish.
| Model Part Number | G951 |
|---|---|
| Brand | B&Q |
They are used to provide ventilation and drainage for the cavity in brick walls, preventing moisture buildup and satisfying building standards.
Yes, they are suitable for both commercial and domestic new builds and satisfy NHBC standards.
Each pack contains 10 weep vents.
The dimensions are approximately 105mm in length, 62mm in height, and 10mm in depth.
Installation requires them to be mortared into place between bricks, typically during the bricklaying process. This is best done by experienced bricklayers or builders.
The design of the exit hole is small enough to prevent the entry of larger insects while allowing water to drain.
They are made of durable terracotta.
Ensure the protective hood and internal rib are clear before applying mortar. If mortar ingress occurs, carefully remove excess with a trowel or pointing tool before it fully sets, being careful not to dislodge the vent.
Check that the weep vent is correctly positioned and the exit hole is not obstructed by debris or external growth. Ensure weep vents are installed at appropriate intervals according to building regulations or NHBC guidelines.
This may indicate insufficient or improper application of mortar. For new builds, the vent should be reset. For existing structures, minor repairs may involve carefully injecting suitable mortar or sealant around the edges, though professional assessment is recommended.
Setup: These weep vents are designed to be installed during the bricklaying process. They are slotted between two bricks and mortared into position. Ensure the cavity behind the bricks is clear before placing the vent. The external rib should aid in positioning the vent correctly within the mortar joint. The mortar key will help secure the vent to the surrounding brickwork and mortar.
Compatibility: Compatible with standard brick construction where a cavity wall system is present. Suitable for use with most common types of brick and mortar.
Care: As these are permanently installed components, no ongoing care is typically required beyond ensuring they remain free from external obstructions like plant growth or debris accumulation. The terracotta material is inherently durable.
