Profiled metal sheet roofing
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It is probably fair to say that in terms of weathertightness, the risk of water ingress will increase as the roof pitch decreases. In the 1980s 6° was a common pitch; this has now fallen to about 4°, but roofs down to 1° are sometimes encountered - the latter requiring...Explore the subscription options here to get full access to isurv, including downloads.
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