Concrete blocks press the metal racking trays directly against the roof membrane. Axter standard detail drawings CityFlor. Click on the PDF icon on the far right of the list to view. Long Pipe Flashing This detail is used for pipes that continue above the roof, and cannot be flashed as shown in Detail 9. The blocks are retained by a metal tray which sits directly on the roof membrane, leading to premature failure.
Many roofs are designed for minimal loading and adding heavy ballast blocks can overload the structure quickly. Collateral damage, business disruption, liability, lawsuits and reputations are at stake. R Mas Perimeter using R. Such techniques are involved and beyond the scope of this article. Caulked and banded flashings are typically used on round penetrations such as pipes and structural tubes, especially when the pipe or tube extends up beyond a reasonable flashing height. T Termination at Metal Roof Panel.
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Under no circumstances should any polymer flashing be installed on a non approved flue or an 'active' combustion heater flue. Axter standard detail drawings Green Roof. B Mechanically Attached Perimeter. Long lasting and cost effective. This reduces the likelihood of ice, snow and splashing water to infiltrate through the top of the flashing. Many roofs are designed for minimal loading and adding heavy ballast blocks can overload the structure quickly. Axter accepts no liability for misuse of this service.
In fact, roofs are full of penetrations. This detail illustrates a method of flashing a ventilator on a sloped roof. Methods used to make penetrations watertight fall into 3 basic categories: Skylight Head Flashing Detail This detail shows the head of an aluminum skylight with a wood curb installed in a standing seam copper roof. The sealant material flows around the object creating a seal. Gravel Stops and Fascias 9. Ironically, in the background is a beautiful RoofScreen with properly installed and roofed attachments.