In the previous parts of the flat roof guidebook, the basics of planning a flat roof, the difference between flat and pitched roofs, the structure of a flat roof, ways of securing the position and the topic of pre-dimensioning were discussed.

The results of a wind uplift test can be valuable information for the creation of an initial sizing. But what does it mean and what information can it provide?

A wind suction test to determine the positional stability against wind loads on roof systems is referred to as the wind uplift test. With mechanically attached roof waterproofing systems, the failure load is specified in accordance with EAD or DIN 16002.

Possible weak points of the flat roof fastening

​​​​​​​With the wind uplift test there are three weak points or possible scenarios which could cause a system failure.