This patio cleaner, suitable for natural stone and concrete, penetrates deep into the stone to lift any dirt and stains, resulting in a clean patio and driveway. Cleaning your patio is now a simple task because Joint-It So Clean includes a high performance, fast-acting formula. With our spray-and-go formulation, simply spray Joint-It So Clean on your patio, driveway or tarmac and leave it to do the work – No scrubbing needed!