They hire the services of a professional roofing contractor for installing it. To make matters worse, these solutions can also pose significant safety risks. Any batten or standing seams that are interrupted at the upper joint, are to be continued below the lower joint. This approach is similar to the chimney flashing in Detail 9. Such techniques are involved and beyond the scope of this article. Roofing consultants and architects are typically the experts who do this work. This article touches on some very basic concepts and methods.
This article touches on some very basic concepts and methods. Ironically, in the background is a beautiful RoofScreen with properly installed and roofed attachments. This reduces the likelihood of ice, snow and splashing water to infiltrate through the top of the flashing. This detail shows the head of an aluminum skylight with a wood curb installed in a standing seam copper roof.
This reduces the likelihood of ice, snow and splashing water to infiltrate through the top of the flashing. The cap flashing is attached to the pipe with a draw band. On the surface, the idea of adding equipment to a roof without penetrations sounds pretty good. Download CAD File Straps may be attached inside the stack section of the ventilator and to the structural framing for additional support. The preferred method to seal a roof penetration is to use a counter-flashing to extend over the outside of the base flashing.
Skylights and roof curbs are typically installed in this manner. Without a roof, none of those are possible. For more in-depth information on proper roof attachment design, a very good resource is the National Roofing Contractors Association www. Facility Executive — Creating Intelligent Buildings. Roofing consultants and architects are typically the experts who do this work. An electrician runs a conduit through the roof, an HVAC contractor adds a small AC unit, an equipment screen gets installed; these are all common events with high potential for poor workmanship and resultant leaks. A well designed roof support with a sealed cap can be installed on a roof and be completely watertight when that contractor leaves the roof.