Slatting means fitting slats into place, usually to make a surface like a wall or a floor.
Slatting is a practical activity, often involving construction or home improvement.
Examples:
He is slatting the floor in the new house.
We will be slatting the walls next week.
The workers are slatting the ceiling.
She is slatting the fence to make it stronger.
The slatting of the deck took a long time.
I am slatting the door to keep the bugs out.