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Professional Building Supplies£122.04Visit shop Alliance Remedial Land Drain Filter Sleeve - 100Mm Diameter X 100Mtr
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B&Q£138.54Visit shop B&Q - Alliance Remedial Land Drain Filter Sleeve100mm 100M RollGeotextile Sock For Perforated Pipes
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The Alliance Remedial Land Drain Filter Sleeve is an essential solution for landscapers, civil engineers, and DIY homeowners looking to protect underground drainage systems from siltation. Its primary benefit is extending the lifespan of perforated pipes by preventing sand and soil from clogging apertures, though installers should note that it requires a clean, debris-free pipe surface during application to ensure a snug fit.
| Model Part Number | FLR100100 |
|---|---|
| Brand | PBSL Group |
Yes, the sleeve is flexible and designed to accommodate the profile of standard 100mm corrugated land drain pipes.
It is designed to filter out fine silt and sand while allowing water through; it is not meant to stop extremely fine clay particles in every soil condition.
You can use standard plastic cable ties or heavy-duty outdoor-rated duct tape to hold the sleeve firmly in place at the pipe junctions.
No, it is made from synthetic geotextile material designed to provide long-term protection underground without breaking down.
No, the knitted fabric is designed specifically for high permeability to ensure water enters the pipe freely.
Ensure the pipe ends are free of mud and burrs; a light tap on the pipe can help clear debris before sliding the sleeve on.
Check the pipe for sharp jagged edges or damaged slots and file them smooth before attempting to pull the sleeve over the pipe again.
To install, ensure the perforated pipe is clean and free from sharp burrs that could tear the fabric. Slide the filter sleeve over the end of the pipe, gathering the fabric as you pull it along the length of the run until it reaches the desired coverage. For long runs, secure the ends with cable ties or tape to prevent shifting during backfill. While the material is robust, avoid dragging the covered pipe over jagged stones or metal debris. When backfilling, use clean, washed gravel to ensure the fabric remains breathable and does not get smothered by clay or heavy silts.
