How To Apply Knock Down Texture To Walls. The textured surface can also be created entirely by apply with a roller: Roll on an even coat of texture mud and immediately.
Having watched kenny (below) spray texture on my lower walls, to rca contractors article, how to apply knockdown texture to drywall like a total pro, is the best description i've found online.
Paint textures and joint compound techniques including knockdown. When you're building a new addition to your home and are applying the drywall, it's important to know how to apply drywall texture to it. Use long strokes of about 4 feet, and try not to use the same roller pattern for each stroke. The design never finishes the same twice.