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A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10°. Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof. Flat roofs, or "low-slope" roofs, are…
Applications, Types of flat roof coverings & Maintenance and assessment
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roof roofs flat roofing water used asphalt membrane membranes also systems tar waterproofing usually gravel tpo bitumen material often heat
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Flat roof | is a | roof which is almost level in contrast to the many types of sloped roofs | 0.90 | text |
| on garden sheds sometimes flows freely off the edge of a roof | instance of | Water from some flat roofs | 0.80 | text |
| though gutter systems are of advantage in keeping both walls | instance of | Water from some flat roofs | 0.80 | text |
| foundations dry | instance of | Water from some flat roofs | 0.80 | text |
| cracking | instance of | UV rays lead to material failures | 0.80 | text |
| blistering | instance of | UV rays lead to material failures | 0.80 | text |
| and eventually water gets in.Roofing felts are usually a 'paper' or fiber material impregnated in bitumen | instance of | UV rays lead to material failures | 0.80 | text |
| on parapet walls or upstands | instance of | As gravel cannot protect tarpaper surfaces where they rise vertically from the roof | 0.80 | text |
| the felts are usually coated with bitumen | instance of | As gravel cannot protect tarpaper surfaces where they rise vertically from the roof | 0.80 | text |
| protected by sheet metal flashings called gravel stops | instance of | As gravel cannot protect tarpaper surfaces where they rise vertically from the roof | 0.80 | text |
| EPDM rubber has come down over recent years | instance of | The cost of membranes | 0.80 | text |
| EPDM synthetic rubber | instance of | and varying temperatures.Modern flat roofs can use single large factory-made sheets | 0.80 | text |
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