Specify the intended function
A fabric that separates materials needs properties suited to those materials and conditions. Filtration also concerns the movement of water while retaining appropriate particles. Ask what role the proposed geotextile performs, where it belongs and what specification supports its selection. The word fabric alone does not identify a suitable engineering product.
Placement depends on the pavement system
Conventional and permeable paving can use geotextiles differently. CMHA's geosynthetics guidance discusses their role within pavement assemblies. Do not assume a sheet belongs directly below every bedding layer or that it replaces preparation of unsuitable ground. Keep drawings and material identification with the installation record so later repairs can recognize the intended layer.
A practical homeowner example
An estimate includes landscape fabric without a product or location. The homeowner asks whether it is intended as a separator, filter or another component and requests a specification appropriate to that purpose.
This is an illustrative planning scenario, not a report of a particular West Coast Screening project.
Questions to bring to an estimate
- Identify the affected area, intended traffic and existing pavement system.
- Keep unit, joint, bedding, base and soil questions separate.
- Ask how drainage and perimeter restraint are included in the scope.
Frequently asked question
Is geotextile the same as geogrid?
No. They are different forms of geosynthetics and may serve different functions. A project should identify the required material rather than substitute one name for the other.
Related glossary terms
For the broader vocabulary, return to the pool cage and screen-enclosure glossary.
Authority sources and further reading
Use these sources within their scope. Manufacturer information applies to the identified product; research and general guidance do not establish a rating or an approved repair for an individual project.