The DM9 is a new, longer rectangular D400 cover with a clear opening of 600x900mm. The DM9 is suitable for all DM400 locations according to EN124-2015 standards.

Personalisation of the covers can be added using logos. Additionally, the covers and frames can be made in different colours. All our composite D400 frames have a depth of 150mm, which is the minimum depth that ThruBeam recommends for D400 covers. The D400 range can be supplied with or without a lock and can be made watertight using our specifically designed seal.

The DM9 has a flat, high-grip tread pattern giving it standout anti-skid properties. It can be made watertight and can be supplied with or without a lock.

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Sealing (optional)
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The DM9 is perfect for:

• Petrol forecourts
• Highways

The DR90 is one of the largest D400 product we currently manufacture; it has a clear opening diameter of 900mm and can be used in Class D400 locations according to EN124-2015 standards. All the D400 range has been designed to resist the eccentric and horizontal forces that can rotated them and cause displacement of the cover.

The DR range of covers will not spin or become dislodged from its frame as a result of traffic movement. Personalisation of the covers can be added using logos. In addition the covers and frames can be made in different colours. All our composite D400 frames have a depth of 150mm, which is the minimum depth that ThruBeam recommends for D400 covers. The D400 range can be supplied with or without a lock and can be made watertight using our specifically designed seal. It can also be retrofitted.

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Sealing (optional)
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The DR90 is perfect for:

• Petrol forecourts
• Highways

The DR106 cover can be made solid or with dip cap as required. The dip cap can be removed separately instead of lifting the whole cover.

It is watertight and can have different coloured tabs inserted in the dip cap to identify different fuels.

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Sealing (optional)
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The DR106 is perfect for:

• Petrol forecourts

The DM6 is our rectangular offering for the D400 range with a clear opening of 600x700mm and can be used can be used in all DM400 locations according to EN124-2015 standards.

Personalisation of the covers can be added using logos. In addition the covers and frames can be made in different colours. All our composite D400 frames have a depth of 150mm, which is the minimum depth that ThruBeam recommends for D400 covers. The D400 range can be supplied with or without a lock and can be made watertight using our specifically designed seal. It can also be retrofitted.

The DM6 has a uni-directional tread pattern to improve its anti-skid properties. It can be made watertight and can be supplied with or without a lock

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Sealing (optional)
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The DM6 is perfect for:

• Petrol forecourts
• Highways

The DS6 is a square D400 product with a 600x600mm clear opening and can be used in D400 locations according to EN124-2015 standards.

It is one of the most commonly used sizes for highways. It has a uni-directional tread pattern to improve its anti-skid properties.

The DS6 does not have the ability to be made watertight, and if this was a requirement we would recommend you use the DM6 product. The DS6 can be supplied with or without a lock.

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The DS6 is perfect for:

• Petrol forecourts
• Highways

The DS6 with pressure release locking mechanism is a square D400 product with a 600x600mm clear opening and can be used and can be used in D400 locations according to EN124-2015 standards.

It is one of the most commonly used sizes for highways. It has a uni-directional tread pattern to improve its anti-skid properties.

A real game changer in cover locking technology

Allows water to escape but stays safely in position during a flood surge. Puts an end to the dangers caused by covers that stick up or explode out of the ground and means no holes for pedestrians or motorists to fall into during times of flood.

The problem

During heavy rains and subsequent flood conditions, water surges cause traditional manhole covers to be blown out of the ground. Many simply float away with the flood waters or often become stuck in an upright position. It’s easy to see how this creates a huge risk to public safety, with covers either becoming a hazard or simply leaving a hole in the road. Both outcomes having serious consequences for pedestrian and road users.

The solution

Now there is an alternative to traditional covers. The ThruBeam DS6 cover with pressure release locking mechanism allows water to dissipate safely but unlike other designs, the locked cover moves up and down freely in its frame – ensuring public safety with no holes, no hazards, and no flying covers.

The technology

Building on the technology of the standard DS6 cover, the new DS6 cover with pressure release locking system features a twin restraining mechanism which allows the cover to move up and down in its spring-loaded frame while remaining locked at all times. When the water pressure reaches 0.5 bar, the cover rises by a maximum of 30mm dissipating the water and pressure.

How it works

When a water surge occurs, the cover lifts just enough to let the water escape and then floats back down into position when the water starts to recede. If someone then walks or drives over the cover, it simply drops back into its frame. Most importantly, a vehicle can safely drive over a raised cover without damage to either the cover or the tyre.

Locking mechanism

The twin locking mechanism is attached to the frame allowing the cover to move up and down freely in its spring-loaded riser. The cover can only be removed by unlocking the two locks, maintaining its security and integrity.

A limit to the rise

When a water surge arrives and the water pressure beneath the cover builds, the cover pops up by a maximum of 30mm. This dissipates the water and pressure while ensuring that the cover doesn’t become a hazard for pedestrians or motorists.

The DR76 has a clear opening diameter of 760mm and can be used can be used in Class D400 locations according to EN124-2015 standards. All the D400 range has been designed to resist the eccentric and horizontal forces that can rotated them and cause displacement of the cover. The DR range of covers will not spin or become dislodged from its frame as a result of traffic movement.

Personalisation of the covers can be added using logos. In addition the covers and frames can be made in different colours. All our composite D400 frames have a depth of 150mm, which is the minimum depth that ThruBeam recommends for D400 covers. The D400 range can be supplied with or without a lock and can be made watertight using our specifically designed seal. It can also be retrofitted.

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Sealing (optional)
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The DR76 is perfect for:

• Petrol forecourts
• Highways

The DR60 has a clear opening diameter of 600mm and can be used in Class D400 locations according to EN124-2015 standards. All the D400 range has been designed to resist the eccentric and horizontal forces that can rotated them and cause displacement of the cover. The DR range of covers will not spin or become dislodged from its frame as a result of traffic movement.

Personalisation of the covers can be added using logos. In addition the covers and frames can be made in different colours. All our composite D400 frames have a depth of 150mm, which is the minimum depth that ThruBeam recommends for D400 covers. The D400 range can be supplied with or without a lock and can be made watertight using our specifically designed seal. It can also be retrofitted.

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Sealing (optional)
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The DR60 is perfect for:

• Petrol forecourts
• Highways

Seal breaker for use with all sealed C and D class Thrubeam composite manhole covers.

This product is the same as the CR106 but contains the dip cap in the centre of the cover. This can be removed instead of lifting the whole cover.

It is watertight and can have different coloured tabs inserted in the dip cap to identify different fuels.

The Benefits of a ThruBeam composite cover over traditional covers.

• High structural performance
• Extended working life
• Permanent anti-slip
• Secure and lockable
• Injury free removal
• Reduced maintenance programmes
• Sealing (optional)
• Transparent to radio waves
• Non-corrosive
• Electrically non-conductive
• Client design service

The CR 106 is perfect for:

• Petrol forecourts
• Slow traffic areas