Easy and Quick Mounting Especially on plain roofs, the systems are important that do not damage the surface of the roof and resist the force of the wind. Two types of substructures allow to an excellent installation, exactamente in agreement the necessities. On the other hand, the semicircular for plain roofs, appropriate support for the rank of plates of ballast, and on the other hand, the triangular support with shorings rectas. The crosspieces easily are placed on the support and fixed with a nut. The system of assembly for plain roofs can be applied on roofs with or without brita wadding.
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