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Venue on Mission Bay Block 3 West, San Francisco

Seidel Architects envisioned a perforated copper sunscreen cantilevered above the terrace along the southwestern exposure of Venue on Mission Bay Block 3 West, a seven-story, mixed-use development emerging in San Francisco's Mission Bay neighborhood.

Seidel Architects envisioned a perforated copper sunscreen cantilevered above the terrace along the southwestern exposure of Venue on Mission Bay Block 3 West, a seven-story, mixed-use development emerging in San Francisco's Mission Bay neighborhood.

Alexander Seidel intended the 2,100-squarefoot screen to serve as an identifying marquee of the building, regulate the sun for the residential units facing that direction and provide a buffer against the breezes for the private balconies between the screen and the building.

Eric Simonsen, vice president at MetalTech- USA, says it was challenging to design the screen so it was fully supported by steel-tube armature. "The challenge was finding a balance between panel sizes small enough to maintain structural integrity, thus limiting the amount of steel framing required, while at the same time meeting the intended purpose," he says.

Copper was originally chosen for the design for its richness and natural patination to complement the design's overall palette. MetalTech-USA recommended switching to its Eco Choice material Copper Plus for added strength and weight reduction.

A 9-inch-tall by 8-foot-long panel was selected and the installing contractor created a mounting solution. Panel size and material adjustment resulted in the desired warmth, transparency and strength.

MetalTech-USA's zinc flat lock panels were also incorporated into the design as an accent material on the vertical elevator core. RHEINZINK America Inc.'s prePatina Blue Gray Zinc was chosen for its natural character, and the staggered pattern of the shingle placement contrasted with the smoother materials on the façade.

Venue on Mission Bay Block 3 West has 147 units, features sustainable interior and exterior finishes and the $43 million project is pursuing LEED Silver certification.

Architect: Seidel Architects, San Francisco

Installer: Bay City Mechanical, Richmond, Calif.

Fabricator/engineer/copper/sunscreen: MetalTech-USA, Peachtree City, Ga., www.metaltech-usa.com

Zinc: RHEINZINK America Inc., Woburn, Mass., www.rheinzink.us