7.After varnishing. I often cover my painting with a board slightly larger than the canvas, resting it on props so it hovers and reduces the amount of dust that could fall on the wet varnish layer. Alternatively, with a large canvas, I will prop them facing a wall when the varnish is ...
"Rash" likely refers to a rough or uneven texture on the wood, caused by not properly sanding the shelves before staining or sealing them. The roughness could also result from the wood grain raising after staining. To fix this, lightly sand the rough surfaces with fine-grit sandpaper and th...