Knock Down the Texture with a Trowel

What happens here

After the texture is sprayed onto the wall, the next crucial step is to 'knock it down.' This involves taking a flat tool, such as a 12-inch taping knife or a specialized knockdown knife, and lightly dragging it over the wet texture. The goal is to flatten the peaks of the texture, creating small 'plateaus' that give the surface its distinctive, subtle texture. The timing for this step is flexible, typically within the first hour of application, as the texture mixture allows for an open time of about eight hours before fully drying. For smaller sections, the knocking down can begin immediately after spraying, but caution is advised as the material is very fresh and prone to smearing. However, working with fresh material also prevents issues with pulling dry aggregate through the mud.

Goal: Once the texture is applied, this step involves using a 12-inch taping knife (or knockdown knife) to lightly flatten the peaks of the wet texture, creating the signature 'knockdown' effect.