Monday, 21 January 2013

31.Roof Construction (Part 3)



Sarking
As soon as the frames are fixed the next step is to place the sarking on the sloped surface of the trusses. We decided that by using some damp proof course (blue plastic) this item could replicate the functionality of a real sarking which is to prevent rain from penetrating through.               
The plastic was stretched tightly and then stapled from the underside to the existing battens. This is done to prevent sagging of the plastic.



Students cutting the sarking
Completed sarking
















Battens
The battens were placed on top of the plastic to act as a receiving surface for the tiles. (Please take note that the tiles were previously placed on thin plywood). Each batten was spaced approximately to the size of the prepared roof tile.
Completed set of battens


Student placing the first batten




















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