Flashed Loadbearing Walls Charleston SC
Myrtle Beach, SC
North Charleston, SC
Flashed Loadbearing Walls
Source: Masonry Construction
Publication date: December 16, 2000
By William D Palmer Jr.Abstract:
Every building has its own challenges. Some constraints are more severe than others, such as on this project in upstate New York.
The designers were asked to create a visually appealing building with a maximum number of apartment units, at a reasonable cost, on a small, steeply sloped site. In addition, they had to complete it on schedule so that university students could move in when they arrived in the fall. The designers then created more challenges: Construct a 6-story single-wythe masonry building with a drainage system, and do it through the middle of the winter without access to the outside of the building. The building had to be well-insulated with a window in every bedroom.
The solution was single-wythe loadbearing masonry, which allowed a shorter floor height, resulting in an entire additional floor being permissible under the Ithaca building height restriction. Masonry also allowed the construction to meet the schedule.
The engineer on the project, Ryan-Biggs Associates, Troy, N.Y., insisted that the entire wall system be detailed as if it were a cavity wall, with flashing and weeps at each floor. "This was costly but necessary," says David Biggs.
The combination of a rigid board layer against the back of the blocks and a fiberglass batt layer in the steel-stud wall provides a very high thermal rating for the wall, which is further improved by insulation.
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