Roof duct penetration

This approach is similar to the chimney flashing in Detail 9. What could be better than that? Facility Executive October Issue The October issue features a focus on sustainability, including groundskeeping, lighting, roofing, energy purchasing programs, and more. The minimum weight for copper sheets used in flashing roof penetrations is 16 oz. But following these guidelines will help to ensure trouble-free and enduring performance for low-slope metal roof systems. Supports that penetrate the roof transfer some of that vibration to the roof itself, which can result in both annoying noise levels and actual damage. Stepped and Chimney Flashings 9.
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2. Protecting your warranty

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The Missing Link for Roofing Systems

Any batten or standing seams that are interrupted at the upper joint, are to be continued below the lower joint. Pipe Penetration with Wood Curb This detail shows a penetration with a wood curb. Location advice would include things like avoiding valleys, standing seams, or other areas that are difficult to seal or flash around. The horizontal portion is nailed to wood blocking or to a nailable deck. The one on the right uses a separate copper cap flashing, the one on the left uses a single sheet of copper for the base and cap flashing. The first curb or frame supports the weight of the unit, while the second does the waterproofing and is integrated into the roof system. Roof penetrations can be categorized by whether the roof is sloped or flat.
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showing Duct Floor,roof and or wall penetrations

In our last two posts , we have looked at the proper ways for roofing contractors to address different types of penetrations in metal roofing in order to assure that a watertight seal is achieved from the outset, as well as over the life of the roof. And what that business needs from its rooftop equipment changes right along with it. Rules For Equipment Owners. The sides of the skylight are flashed similarly, except that a water diverter is not used. Mechanicals can be secured safely and cost effectively to these seam clamps leaving the roof membrane free of penetrations. Copper flashing laps over the composition flashing a minimum of 4".
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Once installed, the building is immediately dry, and following trades can fully access the riser by temporarily removing the lid. Attach a file Only dwg, pdf, zip, jpg, gif, bmp, doc, docx files are allowed. In our last two posts , we have looked at the proper ways for roofing contractors to address different types of penetrations in metal roofing in order to assure that a watertight seal is achieved from the outset, as well as over the life of the roof. Colleges Recognized For Sustainability. Made from world-class rubber. Reducing labor costs It may seem insignificant in terms of the overall life of the roof, but using non-penetrating pipe supports can definitely affect upfront labor costs by eliminating the need to seal every penetration. Find a Sales Representative:
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