Architectural · A-XP9JR

Roof Gutter Downspout

Materials

Aluminum Metal (misc.)EIFS / Plaster / Stucco

Elements

About this detail

A pre-finished aluminum downspout is secured to an exterior wall assembly featuring a cement plaster finish over a weather-resistive barrier and a twelve-inch wide self-adhering flashing. Pre-finished aluminum sheet metal straps are spaced at the top, bottom, and eight feet on center, fastened with two screws per strap through sealing washers. Holes are pre-drilled through the stucco only without penetrating the self-adhering flashing, and each hole is filled with sealant before fastener installation. Continuous sealant is applied around the throat and over rivets in the gutter, maintaining an eighth-inch air gap. The downspout directs drainage toward a splashblock per detail reference.

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