The ADS Dual Wall Pipe, 24" × 20 Ft is a high-strength HDPE drainage pipe designed for gravity-flow stormwater and subsurface drainage. It features a smooth interior for strong flow performance and a corrugated exterior for structural strength—making it a lightweight, corrosion-resistant alternative to concrete or metal drainage pipe.
Country of Origin: USA
Key Features / Specifications
- Size: 24" diameter × 20 ft length
- Material: HDPE (high-density polyethylene)
- Wall type: Dual wall (smooth inside / corrugated outside)
- Available joint styles (varies by version):
- Plain end with coupler
- Soil-tight bell & spigot
- Watertight bell & spigot (ASTM D3212 performance for watertight joints)
- Typical standards: AASHTO M294 and ASTM F2306 (common for 12–60" dual-wall)
- Hydraulic performance: Smooth interior commonly referenced with Manning’s n ≈ 0.012
- Length options: 20 ft is a standard manufactured length for this product line
Ideal For:
- Driveway and road crossings (culverts/cross drains)
- Storm sewer and stormwater conveyance
- Retention/detention drainage connections
- Subsurface drainage and land drainage projects
- Commercial, municipal, and agricultural drainage installations where corrosion resistance matters