It extends up at least 9", and is lapped at least 4" by the counterflashing. The minimum weight for copper sheets used in flashing roof penetrations is 16 oz. The exposed copper edge is then sealed. The edge of the copper flashing is brought over the top of the curb. The composition flashing is brought up the cant strip and blocking, at least 8". If the shape of the flashing is such that water does not flow freely, a cricket is constructed on the high side of the flashing, similar to the one in Detail 9. A copper sleeve is soldered to the base flashing.
Roof Flashing Details
Copper flashing is one of the most durable of roof flashing materials. The valleys may be installed continuously with no need for laps and seams as expansionand contraction length wise is not a large factor. Together, the Portals Plus cap and base provide a permanent, watertight and maintenance free means for penetrating roofs that is simple and easy to install. Manufactured of a unique 3-ply flexible reinforced Hypalon bellow supported by a durable closed cell foam, which allows for anticipated movement in the structure, and metal mounting flanges factory locked to each edge of the bellow. Can be ordered to any length, or cut to fit in the field. The inside bottom plate of the Base Supports have pre-punched holes to accommodate different types of fasteners for wood, steel and concrete roof structures.
Roof Flashing, Roof Jack, Chemcurb, Pipe Jack, Lead Flashing, Pipe flashing
We offer ALL types of pipe flashing systems, roof penetration flashing and sealing solutions. Our Assurance Program benefits everyone. Those methods do, however, require experience andare time consuming. They are recommended replacements for all pitch pan seals on new and re-roofs. Roofs , one in a series of guidebooks produced by the U.
Description: Manufacturers do not have to answer the same questions over and over again. Common pre-formed shapes include "J" flashing for roof to sidewallintersections, drip edges, degree bent base flashing, and shingle base flashing. Click on View Details for more information. These high-performance systems offer three-dimensional preformed shapes Cloaks. You tested, we're just making sure.