Monday, April 25, 2011

Roof Prefabrication Phase II

Joists were placed between each of the trusses that makes up each section. Once all of the josts for the entire truss were framed out, we added battons to the top of the roof section. These battons will be used to add the metal roofing to the structure once the roof sections are placed together on site.

Thanks to the high base space's pully system, we were able to separate and lift the roof sections off of their original supports once completed. Each roof section is approximately 2,700 pounds.

In order to begin working on the ceiling of each roof section, we had to use the pully system to lift and rotate each roof section upside down.

Tar paper was then added to the roof sections to prevent moisture from accumulating inside the section. We used a combination of white pine and repurposed heart pine salvaged from the Tire Warehouse in Clifton Forge to create the market ceiling.

The last step of the process is to apply waterproofing so that the wood would not get wet. Once each roof section was finished we were able to use the same pully system to lower the section onto dollies to move the sections out of the work space. The whole class would then work together to move the trusses out to locations where they could be "parked" until transportation up to Covington.

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