Flat Roof Leak Detection

NIS works hand-in-hand with roof experts from SLD - Scandinavian Leak Detection and is specialized in locating all weak points and leaks on a flat roof.

Our experience is based on numerous assessments of a variety of buildings and roofing materials in the extreme climates of Sweden, Norway, Finland and Great Britain. Profit from our know-how and high SLD standards. Our Service Teams are also represented across Germany. Secure the long-term value of your property with the expertise of SLD.

Leak detection of the highest level

Preventative – Protection from greater damage!
Certification – Independent quality testing. Assured standards!
In case of damage – Prompt help and leak detection!

Use our cost-saving measurement method for precise documentation of all weak spots on your flat roof.

Flat Roof Leak Detection of the highest level

Highly precise measurements by means of electrical impulse technology. The SLD measuring system locates even the smallest damaged areas.


Precise localization of damaged areas and exact documentation of the assessment results for subsequent repairs.


Leak detection without risky flooding or time-consuming clearing of insulation, gravel, slabs, greenery or superstructures.


Inspection and leak detection for a flat fee or based on the calculation of the exact square meterage.

First Class

Nordic Industrial and its partner SLD – Scandinavian Leak Detection are the leaders in the technical certification of flat roofs in Scandinavia. The NIS Nordic Industrial Certificate guarantees the professional completion of roof leak detection.


NIS and its flat roof specialists are where your building is! Profit from our fast reaction times and our nationwide service network.

Get maximum leak protection with the SLD-Roof Assessment!

Let our experts create an individual offer for you. Our Service Team will gladly take into account your wishes, advise you and create a free offer for you.

SLD – Scandinavian Leak Detection is a member of the Nordic Industrial Group. Our employees work daily for the conservation and increase of value of industrial buildings in Europe.

We are looking forward to hear from you. Use the form below to request more Information. Representatives are available by phone +49 (0) 6204 980 29 75.

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