Key Benefits of Mechanical Fastening in Flat Roofing Systems

The mechanical fastening of roofing membranes has numerous benefits. 

Movement Flexibility and Stress Reduction in Flat Roof Membranes

Laying the membranes loosely gives the sealing a certain flexibility and ability to move around. A planar separation between the seal and the substrate also remains in place. Movements and stress from the substrate are not carried over. The resulting vapour pressure is also balanced out across a flat plane, meaning there is no formation of bubbles due to moisture underneath the sealing layer. 

Why Mechanical Fastening Is Suitable for Lightweight Roof Structures

Because there is no load, mechanical fastening is also ideally suited to roofs with light bases such as wooden constructions or steel trapezoidal profiles. 

Installation Speed and Resource Efficiency of Mechanical Fastening

The fastening process is particularly quick and conserves resources because all layers of the sealing structure as well as the fastening of the edges can be completed in one work step.

Future Roof Refurbishment and Recycling Advantages

Loosely laying membranes is also advantageous if you choose to dismantle the roof membrane at a later date. If laid loosely, then dismantling the individual layers and recycling or disposing of them separately is easy to do.

In the next part of our flat roof guide, we will look at pre-dimensioning. We will take a look at which influencing factors play a role and which parameters are required to create the initial sizing.