Roof timbers and trusses
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After external walls, roofs are the second most likely area where defects occur. Examining a truss roof defect requires a basic understanding of how they work. In the 1980s the truss roof came to dominate the new-build housing sector. By the 1990s it was the major structure used in...Explore the subscription options here to get full access to isurv, including downloads.
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