How To Flash A Roof Curb On A Metal Roof

Install ice water shield peel stick underlayment down the curb onto the roof deck install top flashing step flashings properly sized for the shingle and bottom flashing be sure to lace the step flashing with the course of shingles place skylight dome on the curb and secure with proper fasteners.

How to flash a roof curb on a metal roof.

This is done by using pieces of metal flashing and securing it down with special sheet metal screws which should be purchased at the time that the rest of the materials are obtained. Instructional video on how to properly install and trim out a square penetration on a standing seam metal roof. Ensure the roof flashing has the proper pleat design at the base. A galvalume coated roof doesn t mean that a galvanized steel roof curb is the best thing to use in fact galvanized roof curbs are known to rust corrode and leak particularly along weld joints as soon as a year after installation.

While there are premade flashing pieces you can purchase many roofing professionals will cut their own roof flashing from sheet metal. This ensures that the correct screws are used because each manufacturer recommends using a specific type and size of screw. Since most ordinary homeowners do not have all the necessary know how or significant knowledge of basic roofing principles along with experience of working on an actual roof all day in the sun with the sweat pouring down the face as you work on flashing all the dormers chimneys and roof vents or shingling away for hours on end and doing it right taking on the installation of a metal roof. A roof flashing with aluminum on the base edges will ensure the product can be formed to the metal roof profile.