Here's a simple How-To on our Grid Covers which are very easy to install. There are two types of grid cover: The Main Grid Covers come pre-notched to fit the cross T’s sections and and are 4′.

 The Cross T’s covers come in 2′ and 4′ sections and are applied to fill in the gaps from the Main Grid Cover. 

 To apply covers on your grid simply snap the cover on with the wider lip first.