ToMetimes The Replaceement of the Racks Is Required, Which Is Attached to Roofing Roofing and Tiles. DamageD Rails Are Cut a Hacksaw at Angle from Both Sides of the DamageD Area. The Distance Between The Ends of the Rails IS Measined and the Intserts Ares of the Size of the Missing Part. The Cross Sections of the Overlap and the Installed Segments Must Match. IS RecomMended to Impregnate the Inserte Segments of the Rails with a Substance that Prevents The Rotor of the Tree. AFTER that, They ARE NAILED (Preferably with Nails Made of Stainless Steel) To the Rafters At the Site of Cut Areas.