Install Geotextile Fabric
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excavation to stone grading
What happens here
A black geotextile fabric, referred to as 'fabric membrane,' is carefully laid over the entire compacted subgrade. This permeable fabric serves as a critical separator, preventing the structural aggregate base from mixing with the underlying soil. This separation helps maintain the integrity of the base layers, improves overall drainage, and inhibits weed growth.
Goal: Prevent subgrade contamination and improve base stability.
Tools and materials
- Geotextile Fabric — Separating subgrade from aggregate base, improving drainage, and acting as a weed barrier