Roof penetration architectural

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When properly designed and installed however, roof penetrations can be integrated into metal roofing successfully without compromising performance. Failure to follow this guideline may result in the penetrations being excluded from the weathertightness warranty. Pitch pockets are commonly used on hot-melt roofs. Bespoke designs for these and roof tracks should be discussed at an early stage with the waterproofing manufacturer to ensure that the detailing is robust. The top edge of the copper is held by a draw band tightened around the pipe. Pipe penetrations, whether for plumbing vents, flues, or other miscellaneous pipes, are probably the most common type of roof penetration in commercial metal roofs. For more complex and unusual penetrations, specifiers can consult specialist companies that design and manufacture proprietary systems.

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9.9. Roof Penetrations

There is a common misconception with ballasted, inverted and green roofs that the minimum mm dimension for upstands is taken from the top of the waterproofing layer, rather than the top of the finished roof. This sleeve runs up to the top of the vent pipe. Indeed, they are a necessary and important part of the detailing process, as they allow flat roofs to house plant and other services, thereby maximising internal space. One of the biggest failings is insufficient detail on the working drawings, leading to roofing contractors improvising solutions on site — often with mixed results. Ventilator Flashing This detail illustrates a method of flashing a ventilator on a sloped roof. Roofing Roofing in Detail Detail Roof. Flashing improperly installed can direct water into a building.

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