Champro L Screen Instructions

Installing the Champro L Screen

The screen arrives in a compact tube package, which makes it look easier than it actually is on the first attempt. The frame uses spring steel poles with grommeted fabric panels, and the entire assembly is roughly 6 feet wide by 8 feet tall depending on the model. You open the tube, shake out the poles, and begin connecting them on flat ground before standing the thing up.

The pole connections have male and female ends that slide together with a slight push and twist. I once tried connecting them at full extension while standing over the frame, and the second pole snapped back into my knee hard enough to leave a bruise. Learn from that mistake. Assemble everything laying down first, then lift by the corners. Step one is laying out the side poles. There are two identical side sections that form the vertical frame, connected at the top by a crossbar. Slide the fabric panel through the sleeves on the front side before you connect the crossbar. If you try to thread the fabric after the frame is assembled, you will be wrestling a tangled mess of steel and polyester on uneven ground, and it takes about twenty minutes longer than it should. The base stabilizers are the next thing people skip, which is a mistake. The L screen without weights is designed to tip forward under moderate wind or when a ball bounces off the angled portion. Champro sells sandbags separately, but any decent response weights will do. I use 50-pound sandbags on each leg. A standard lawn ornament bag filled with concrete mix from a hardware store works just as well for a quarter of the price.

Angling the screen matters more than most coaches realize. The panel is L-shaped, which means it has a vertical section and a horizontal top section that deflects high line drives back toward the pitcher rather than over the screen. Set the angle at roughly 15 to 20 degrees backward from vertical. Anything steeper and balls start coming over the top during hard BP. Anything more reclined and the screen loses effectiveness against low liners. One issue I ran into repeatedly on concrete or asphalt surfaces is the pole tips digging in unevenly. Rubber foot caps from a sporting goods store slip over the bottom of each pole and prevent both surface damage and unwanted shifting during use. They cost about eight dollars for a pack of twelve and change the stability completely.

Common Problems and What Actually Happens

The grommets on the fabric tend to stretch over time, especially around the top corners where the crossbar pressure concentrates. After about a season of regular use, you will notice the panel sagging slightly. The fix is straightforward: replace the top corner grommets with heavier-duty ones from a hardware store, or add a secondary tie-down point using bungee cord through a spare grommet hole near the top edge. This takes maybe five minutes and restores tension across the entire panel. Another thing nobody mentions is that the L screen is not ideal for left-handed batters on the opposite side of the field unless you rotate it. The angle of deflection is directional by design. Put it facing the right-hand batter and a low drive to left field has a much higher chance of going over or around the screen rather than being redirected back. If your facility gets significant lefty bat speed, having a second unit or rotating the screen between sides is worth the effort. The frame poles can bend if a ball strikes them directly at high velocity, particularly with composite bats or hard-throw college-level pitchers. I have seen three bent poles from a single season of serious work. Champro does sell replacement poles, and they are inexpensive relative to buying a new screen. Keep a spare set on hand. It saves you from sitting out an entire batting practice session because one corner won't lock together.

Storage and Longevity

Leaving the screen assembled outdoors year-round will shorten its life noticeably. UV degradation hits the fabric first, and moisture trapped in the pole joints causes slow corrosion on the spring steel. Rolling the fabric back up and storing it in the included tube when not in use adds maybe thirty seconds to your cleanup routine and extends fabric life by two to three seasons. The poles should be wiped down with a dry cloth after use in wet conditions before going back into storage. If you need something faster to set up and don't have a dedicated BP area, a pop-up screen is an alternative, but they are generally smaller and less stable. The Champro L screen takes about five to eight minutes for one person to assemble properly, which is reasonable for a permanent or semi-permanent installation. For temporary use where you move it between fields weekly, the time investment pays off in durability that cheap pop-up units cannot match.