Identify Siding Spraying Challenges

What happens here

The video opens with a demonstration of spraying siding using a standard spray gun extension. The presenter immediately highlights a common challenge when cleaning (or painting) lap siding: achieving full coverage underneath the overlapping panels. If the spray is applied straight-on, the bottom lip of each siding piece is missed. To effectively clean these hidden areas, the spray must be directed upwards at an angle, necessitating specialized equipment.

Goal: Understand the difficulty in fully coating or cleaning lap siding without specialized tools.