How quiet is virtually silent?
There are two options
A, Has a max db reading of 72db.

B, Has a max db reading of 61db

Both types have been tested as follows.

Sound test option A,
Standard flow plate
Average base reading of environment,
( 55db ) This may vary on location

Diesel vehicle traveling at 5mph at a
distance of 6meters, (61db )

Max db reading of vehicle traveling
over flow plate at 5mph
at a distance of 6meters,
( 72db )

Sound test option B,
Fitted with sound reducing pads.
(Additional cost will apply)

Average base reading of environment,
( 55db )

Diesel vehicle traveling at 5mph at a
distance of 6meters, (61db )

Max db reading of vehicle traveling
over flow plate at 5mph
at a distance of 6meters,
( 61db )

What are the maintenance requirements if any?
This product has been designed to minimise the need for maintenance, however maintenance may
be required depend on the conditions and the amount of debris that collects over a given period of time.
Where a large amount of debris ie sand,dust,snow,leaves, etc may be likely to accumulate a maintenance program should be incorporated to clear offending items.
A period of evaluation may be necessary to establish a timetable .Clear offending items either by hand, compressed air, jet wash or by any other suitable means.

Do you supply the units already assembled or are the inserts and the casing sent separately for assembly by the customer?
They come ready assembled .

Do you sell products overseas, as well as in the UK?
Yes we sell them where ever they need to go.

What are the carriage charges?
Carriage charges would depend on delivery address post code,and quantity required.