Its load on the roof is low, since most of the load is distributed ... the requisite rear ventilation of the modules are present. Installing the modules requires no tools. The system is ...

The first layer on top of the plywood or OSB roof deck is underlayment. For this, we chose a self-healing ice-and-water ...

This isn't a DIY job. It might also be necessary to install a gutter or a rain diverter with EPDM since it's common for water to pool and settle on a flat or low-slope roof. Another thing to note ...