Within each of these categories, there are many different manufacturers, each touting the benefits of their products. In making a selection, you will be faced with some major decisions, beginning with budget. You can spend as little as $.30 per lineal foot for simple screening that you install yourself and as much as $30 per foot for professionally installed, solid gutter covers. As a rule, fine-mesh screening and solid covers requiring professional installation will run from $20 to $30 per foot.