Double opening aluminium manhole cover for large chambers: a 900 × 900 mm frame with a smaller 600 × 600 mm removable inner cover for routine inspection, so the full opening is only lifted when needed.

Technical specifications
| Outer frame | 900 × 900 mm (1100 × 1100 mm also available) |
|---|---|
| Inner opening | 600 × 600 mm |
| Material | Aluminium |
| Recess depth | 30 mm |
| Duty | Light duty |
| Custom sizes | On request, with drawings for approval |
Features
- Inner cover for quick routine inspection
- Full opening available for equipment access
- Lightweight and corrosion resistant
- Recessed to take the floor finish
Typical applications
- Plant and service rooms
- Large drainage and utility chambers
- Podiums and landscaped decks
Frequently asked questions
What sizes are available?
Standard 900 × 900 mm and 1100 × 1100 mm frames, both with a 600 × 600 mm inner cover. Other sizes are made to order.
Request a quotation
Send the size, quantity, finish and delivery location to sales@alphatek.ae, call +971 54 466 7243 or use our quote form. We usually reply the same or next working day, with drawings and submittals for consultant approval where needed. Supplied to Dubai, Abu Dhabi, Sharjah and across the UAE & GCC.
See the full range: Aluminium manhole covers.