When possible, we like to spray paint the exterior trim of a house because it is a lot faster. Of course, no roofing can be in place and additional prep work such as covering the windows and doors with plastic is required, but it’s still faster than brushing two coats of paint.
It is not worth the time to try and spray the window and door trim because of the detail in prep work required, so large sheets of plastic were stapled over them to protect from overspray. The rest of the trim is fair game, however.
The crew starts at 7 a.m. each morning (theoretically) and the first coat of trim was done by 10 a.m. That included two guys – one to spray and one to help tend the cord and refill paint when needed. The Boral TruExterior Trim soaks up the paint, so another coat was needed, which only took an hour to complete since the spray crew was already set up and in a rhythm.
If your build schedule allows for spraying the trim, it can save a lot of time in the long run. If you’ve noticed, there is a lot of trim on this house, and I bet we saved four days of painting time for two men by spraying the trim instead of brushing two coats.
The remainder of the trim was brushed before the bevel siding was installed, further reducing the overall paint time since it’s much faster to paint when not having to meticulously cut in around siding.
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Does the overspray affect the performance of the roof membrane or the vapour permeability of the ZIP system?