I’m in Zone 2A, installing 1” thick cedar lap siding on a ventilated ½” rainscreen. My trim stock is thick enough to cover the laps even without a rainscreen (happenstance,… I’m in Zone 2A, installing 1” thick cedar lap siding on a ventilated ½” rainscreen. My trim stock is thick enough to cover the laps even without a rainscreen (happenstance,…Read MoreGreenBuildingAdvisor

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