// -->, Questions 4 ~ Insert the Sling Spline or Plastic Sling Rod. This material is extremely strong and flexible but has very little stretch, meaning it wont sag or tear under pressure. Line up the holes and finger-tighten all of the bolts. The sling rails are what holds the edges of the new patio sling fabric along with the plastic rod or spline that is threaded into the rod pockets on your new patio sling. Why not just replace the mesh slings myself? Something went wrong. For this reason, we recommend professional installation as the best option when at all possible. The oil will help to loosen any rust or corrosion on the bolt. if(MSFPhover) { MSFPnav13n=MSFPpreload("_derived/Virtual_tour.htm_cmp_blocks010_vbtn.gif"); MSFPnav13h=MSFPpreload("_derived/Virtual_tour.htm_cmp_blocks010_vbtn_a.gif"); } Phifertex wicks water on contact and dries lightning fast. Let the oil soak for at least an hour before proceeding. // -->