A strainer (popularly known as floor drain cover or floor grating/grate) should always be used at all times to protect the floor drain.

Essentially a floor drain is really a plumbing fixture set up on the floor with the objective of removing water area it. A floor drain usually is available in various shapes for example round, square or rectangular. Between 2 inches to 12 inches, most floor drains are 4 inches in diameter. Usually produced from material such as metal or plastic, the gradient of the floor near a floor drain is usually sloped to let gravity do drain gratings of draining the water around a floor drain.
Typically found near washrooms, water heater and the washer areas in residential areas, floor drains could also be spotted near commercial facilities such as basements, toilets, kitchens, refrigerator areas, shower and locker rooms and near swimming pools for commercial areas.
A strainer (popularly known as floor drain cover or floor grating/grate) should always be used all the time to cover the floor drain.
The goal of a floor drain cover (floor drain grate) is to ensure Jonite trench grates like hair and pest don't get into the floor drain and clog the drains. A properly designed floor drain cover (floor drain grate) always ensure safety to anyone near a floor drain.
For a list of floor drain covers (floor traps), please check out our range of products here: http://www.jonite.us/products/floor-traps