In the decade of HQ's experience as a solar mounting supplier, the new demanding trend for concrete roof are gaining huge.

In the area of low precipitation， the best way to install a solar mounting system with low costs is to fasten the concrete roof system into the roof directly with espension bolts.

In the area of high wind speed, the safest way to install the rooftop system is to fasten the system into a concrete base with espension bolts.

But in most of areas, the wind speed isn't high, and the tilt angle is 10 degrees or 15 degrees, the easiest insllation is with ballasted solution.