Originally Posted by
Hummer
It looks like you're doing good prep work which is fundamental to getting a smooth, long lasting finish. It takes patience and perseverance, and not cutting corners. An important consideration for the homeowner is to not wait until the siding has deteriorated before repainting. If that happens, the problems compound and each subsequent repaint wont last as long. Also, most paints specify a second coat to get enough dry film thickness for the paint to hold up. A quality paint on a good surface can last 20 years on many exposures.