All details of the desired construction must be compared with the details of the tested doorset and yet granted assessments.
Special attention has to be paid to :
|height, width, thickness
|type / dimension
|specie / dimension
|specification / dimensions
Drawing have to be made if necessary.
The letter the customer sends to the Test Institute must contain the following information :
A copy of this letter should be sent to SAUERLAND.
With this letter SAUERLAND allows the Test Institute to give all the necessary information regarding the specific test to the customer.
The institute is not allowed to provide any information without this approval.