When it comes to concrete roofs specifically, there are even more benefits to consider. Concrete roofs are extremely durable and can last for decades, making them an ideal platform for a solar panel system. Additionally, concrete roofs are often flat or low-sloped, which can make them easier to install and maintain. Concrete roofs are waterproofed so that water will not leak into the cavity of the building works. To maintain this waterproofing, it is advisable to not penetrate into these roofs. The purpose of our Ballast systemsis to keep the weight added to your concrete roof as low as possible. To achieve this, the effect of the upward. Solar systems are not physically connected to flat concrete roofs but rather held in place with added weight. Axe Struct offers a Ballast system that requires minimum added weight,. If the added weight magnitude onto your concrete roof is not an issue you can opt to use one of our Angled systemsFor this you will lay concrete pavers/blocks/lintels direct on your roof, and not on the system as the Ballast solution above. You will have to install vertical.