When do I need a headboard? 1.If the pre-drilled holes in the rail don't line up with your wall studs. 2.lf there have door trim, and (door depth +trim depth - 2")is the thickness of headboardyou need. Attach a header board with the same thickness as your doorway trim into your studs first, and then mount the rail onto the header board. In case of directly mounting on wall,the final gap between door and wall is about 1/4" to 1 1/8" which depends on door thickness Safety-ensuring Measures Floor Guide: Floor guide is install under your barn door with a groove, it can prevent the door from swinging during sliding.If you don't want to make grooves on the door, you can choose other styles of floor guide in our shopDoor Stopper: Prevent your door from rolling off the rail, Anti-collision, the rubber caps ensure a quiet close.Anti-jump Pad and Bar: Prevent door be lifted off rail. Install them on the top of your door, the anti-jump pad and the roller can hold the rail once the door hit the stopper. Can I install it myself? Is it difficult？ We provide professional and detailed installation guides on the website and in the package, the installation process is very simple, if you have no relevant experience, we recommend that you find a helper What is the maximum weight holded by track? Maximum 220-260lbs Can I cut the rail to fit my wall? Yes, the rail can be cut to any length. We recommend using an angle grinder to cut the rail. 8FT Single Door Kit including: 2 x 4 FT Rail 1 x Hex Wrench 2 x Roller Hangers 6 x Rail Support 2 x Door Stoppers 1 x Junction Plate 1 x Floor Guide 1 x Installation Manual Stainless Steel Door Handle Flower Wheel T Wheel Flat Track Floor Guides Add to Cart Add to Cart Buying Options Buying Options Buying Options Customer Reviews 4.2 out of 5 stars 57 4.5 out of 5 stars 563 4.5 out of 5 stars 563 4.5 out of 5 stars 563 4.6 out of 5 stars 164 Price $39.99$39.99 $99.99$99.99 — no data — no data — no data Brand HAHAEMALL HAHAEMALL HAHAEMALL HAHAEMALL HAHAEMALL