Sewer Manholes in accordance with ASTM C-478. Most items in-stock for immediate delivery.

• Pre-cast Bases
• Inverts (flow channels)
• A-Lok and PSX Gaskets
• Barrels, Cones, Slab Tops
• Sealant and Steps
• Interior and Exterior Coatings
• Cast Iron Rings and Covers in stock
• Frames and Grates
• Steel Hatches—hinged, lockable
• Bilco and Halliday Doors

Sizes:

• 48″ ID shown above
• 60″, 72″, 96″ ID
• Smaller sizes also available