Terracotta Brick Tunnel Weep Vents - B&Q G951
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B&Q - 10 X Terracotta Brick Tunnel Weep Vents Low Profile Cavity Wall Water Outlet
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Full details
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.
All features
| Model Part Number | G951 |
|---|---|
| Brand | B&Q |
Extended Product Information
FAQs
What are these weep vents used for?
They are used to provide ventilation and drainage for the cavity in brick walls, preventing moisture buildup and satisfying building standards.
Are these suitable for new builds?
Yes, they are suitable for both commercial and domestic new builds and satisfy NHBC standards.
How many vents are in a pack?
Each pack contains 10 weep vents.
What are the dimensions of each vent?
The dimensions are approximately 105mm in length, 62mm in height, and 10mm in depth.
Can I install these myself?
Installation requires them to be mortared into place between bricks, typically during the bricklaying process. This is best done by experienced bricklayers or builders.
Will these prevent insects from entering?
The design of the exit hole is small enough to prevent the entry of larger insects while allowing water to drain.
What material are they made of?
They are made of durable terracotta.
Troubleshooting
Weep vent appears blocked by mortar during installation.
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.
Water not draining effectively from the cavity.
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.
Vent seems loose after mortar has cured.
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.
Pros and Cons
Pros
- Effectively manages moisture in cavity walls.
- Unobtrusive and aesthetically pleasing design.
- Meets NHBC standards, suitable for professional use.
- Durable terracotta material for long-term performance.
- Designed to prevent common installation issues like mortar blockage.
- Aids in preventing insect ingress.
Cons
- Requires careful mortaring for optimal performance.
- Installation is a manual process requiring precision.
- Sold in packs of 10, may be more than needed for small jobs.
- Dimensions (105 x 62 x 10mm) need to be accounted for during bricklaying.
- Terracotta may be susceptible to chipping if handled roughly.
Setup, Compatibility & Care
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.