Installing barriers is easy and convenient and does not require spetsilano skills. It is recommended that barriers be placed staggered as shown in the picture below and away from the edge of the roof up to 50 cm

The distance between the barriers can be of 20 cm. To 50 cm., To be effective. At a greater distance, their effectiveness is pointless. By placing barriers is important to observe the following sequence: First, put the rubber mat or other technical sealant, which will serve both for stable mounting and sealing barrier IE will prevent the entry of water. Second barrier was placed on the rubber pad so as to fit against the screw hole. Third placed screws with light pressure pierce the thin rubber membrane in the bolt holes in the rubber pad, then remains only to tighten the screws. So the barrier is properly installed and sustainable impact of landslides and snow led.