The Double Triangle Ductile Iron Manhole Cover is specifically designed for highway applications, ensuring robust performance and reliability in demanding environments. With a loading capacity of D400, this manhole cover is capable of withstanding heavy traffic and substantial loads, making it an ideal choice for carriageways and other high-traffic areas. The double triangular cover design enhances stability and security, providing a dependable solution for your infrastructure needs.
Constructed from high-quality ductile iron, this manhole cover boasts superior strength and durability. The external dimensions of 746mm (L) x 746mm (W) x 100mm (D) provide ample coverage, while the clear opening of 600mm x 600mm ensures easy access for maintenance and inspection. The robust material and precise engineering guarantee long-lasting performance, even under the most challenging conditions.
Accredited to BS EN124-2:2015 standards, this manhole cover meets stringent industry requirements for safety and performance. Its compliance with these standards ensures that it delivers reliable service and peace of mind. Whether you're upgrading existing infrastructure or installing new systems, the Double Triangle Ductile Iron Manhole Cover is a dependable choice that combines strength, durability, and ease of use.
Key Features
- Designed for highway applications
- Loading capacity: D400
- Double triangular cover for enhanced stability
- Material: High-quality ductile iron
- External dimensions: 746mm (L) x 746mm (W) x 100mm (D)
- Clear opening: 600mm x 600mm
- Accredited to BS EN124-2:2015 standards
Akor
Delivery is free to Mainland England and Wales. Deliveries are chargable to Scotland.
Once the order is placed, our courier will call you within 3 working days to arrange a delivery date. If you do not hear from the courier within 3 days, please get in touch with us. The majority of deliveries are made within 7 days, occasionally a little longer during peak periods.
Deliveries are made between 08:00 and 18:00 on the day, we request the driver calls you one hour before with an advised time.
Delivery is made via a kerbside tail lift lorry, we cannot deliver to sloping ground as the tail lift must be able to lay flat.
The road must be wide enough for a lorry to fit down and free from obstruction, if there are any access restrictions, please contact us.
Deliveries must be signed for, please report any damages to us within 24 hours.
We offer all bricks with a tail lift offloading service, Please familiarise yourself with the information below.
Crane offloading is available as a premium service for some bricks.

All of our C16 and C24 graded timber is regularised
Regularised timber is timber that has been processed to have a uniform shape and size. This means that the wood has been sawn and planed to remove any irregularities and ensure that each piece of wood has consistent dimensions. Regularised timber is often used in construction, particularly in the framing of buildings, as it is easier to work with and can be more efficiently installed than irregularly shaped timber.
We have one of the largest ranges of timber lengths, dimensions and grades available to buy online.
The variation you require will determine the exact lead time and delivery method.
Most orders arrive within 3-4 days, the maximum is 7 days. Please get in touch before you order if you need a specifc delivery date.
Delivery charges vary by postcode. To find out the delivery charge, add the item(s) you require to your basket and select CALCULATE SHIPPING at the bottom of the page.
Some orders are delivered on our own vehicles based in Leicestershire and Cheshire. We also use carriers including Yodel and Tuffnells. For some sizes and locations we use regional distributors.
If you'd prefer crane offloading rather than tail lift vehicle offloading for your brick order then this service is available for the majority of bricks that we sell. Charges are shown at checkout.
For deliveries of less than 6 packs then Taillift offloading is normally a more cost effective option
Downloadable information can be found here:

Armstrong Cheshire supply the full range of Catnic Lintels. If you don't see the lintel you need on our website, choose from the Catnic Lintel Selector Brochure and give us a call 01625 322269
Downloadable information can be found here:
The Double Triangle Ductile Iron Manhole Cover is specifically designed for highway applications, ensuring robust performance and reliability in demanding environments. With a loading capacity of D400, this manhole cover is capable of withstanding heavy traffic and substantial loads, making it an ideal choice for carriageways and other high-traffic areas. The double triangular cover design enhances stability and security, providing a dependable solution for your infrastructure needs.
Constructed from high-quality ductile iron, this manhole cover boasts superior strength and durability. The external dimensions of 746mm (L) x 746mm (W) x 100mm (D) provide ample coverage, while the clear opening of 600mm x 600mm ensures easy access for maintenance and inspection. The robust material and precise engineering guarantee long-lasting performance, even under the most challenging conditions.
Accredited to BS EN124-2:2015 standards, this manhole cover meets stringent industry requirements for safety and performance. Its compliance with these standards ensures that it delivers reliable service and peace of mind. Whether you're upgrading existing infrastructure or installing new systems, the Double Triangle Ductile Iron Manhole Cover is a dependable choice that combines strength, durability, and ease of use.
Key Features
- Designed for highway applications
- Loading capacity: D400
- Double triangular cover for enhanced stability
- Material: High-quality ductile iron
- External dimensions: 746mm (L) x 746mm (W) x 100mm (D)
- Clear opening: 600mm x 600mm
- Accredited to BS EN124-2:2015 standards
Akor
Delivery is free to Mainland England and Wales. Deliveries are chargable to Scotland.
Once the order is placed, our courier will call you within 3 working days to arrange a delivery date. If you do not hear from the courier within 3 days, please get in touch with us. The majority of deliveries are made within 7 days, occasionally a little longer during peak periods.
Deliveries are made between 08:00 and 18:00 on the day, we request the driver calls you one hour before with an advised time.
Delivery is made via a kerbside tail lift lorry, we cannot deliver to sloping ground as the tail lift must be able to lay flat.
The road must be wide enough for a lorry to fit down and free from obstruction, if there are any access restrictions, please contact us.
Deliveries must be signed for, please report any damages to us within 24 hours.
We offer all bricks with a tail lift offloading service, Please familiarise yourself with the information below.
Crane offloading is available as a premium service for some bricks.

All of our C16 and C24 graded timber is regularised
Regularised timber is timber that has been processed to have a uniform shape and size. This means that the wood has been sawn and planed to remove any irregularities and ensure that each piece of wood has consistent dimensions. Regularised timber is often used in construction, particularly in the framing of buildings, as it is easier to work with and can be more efficiently installed than irregularly shaped timber.
We have one of the largest ranges of timber lengths, dimensions and grades available to buy online. The variation you require will determine the exact lead time and delivery method.
Most orders arrive within 3-4 days, the maximum is 7 days.
Please get in touch before you order if you need a specific delivery date.
Delivery charges vary by postcode. To find out the delivery charge, add the item(s) you require to your basket and select CALCULATE SHIPPING at the bottom of the page. Some orders are delivered on our vehicles based in Leicestershire and Cheshire. We also use carriers including Yodel and Tuffnells. For some sizes and locations, we use regional distributors.
If you'd prefer crane offloading rather than tail lift vehicle offloading for your brick order then this service is available for the majority of bricks that we sell. Charges are shown at checkout.
For deliveries of less than 6 packs then Taillift offloading is normally a more cost effective option
Downloadable information can be found here:
Armstrong Cheshire supply the full range of Catnic Lintels. If you don't see the lintel you need on our website, choose from the Catnic Lintel Selector Brochure and give us a call 01625 322269
Downloadable information can be found here:
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Akor
Double Triangle Ductile Iron Manhole Cover 600 x 600 x 100mm Carriageway
£150.00
Unit price
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Unavailable
The Double Triangle Ductile Iron Manhole Cover is specifically designed for highway applications, ensuring robust performance and reliability in demanding environments. With a loading capacity of D400, this manhole cover is capable of withstanding heavy traffic and substantial loads, making it an ideal choice for carriageways and other high-traffic areas. The double triangular cover design enhances stability and security, providing a dependable solution for your infrastructure needs.
Constructed from high-quality ductile iron, this manhole cover boasts superior strength and durability. The external dimensions of 746mm (L) x 746mm (W) x 100mm (D) provide ample coverage, while the clear opening of 600mm x 600mm ensures easy access for maintenance and inspection. The robust material and precise engineering guarantee long-lasting performance, even under the most challenging conditions.
Accredited to BS EN124-2:2015 standards, this manhole cover meets stringent industry requirements for safety and performance. Its compliance with these standards ensures that it delivers reliable service and peace of mind. Whether you're upgrading existing infrastructure or installing new systems, the Double Triangle Ductile Iron Manhole Cover is a dependable choice that combines strength, durability, and ease of use.
Key Features
- Designed for highway applications
- Loading capacity: D400
- Double triangular cover for enhanced stability
- Material: High-quality ductile iron
- External dimensions: 746mm (L) x 746mm (W) x 100mm (D)
- Clear opening: 600mm x 600mm
- Accredited to BS EN124-2:2015 standards